Freshwater fish encyclopedia

1096 species with common and scientific names, size, temperature and pH range, care level and temperament.

Name	Scientific name	Size	Temp	pH	Care	Temperament
Ember Tetra Group	Hyphessobrycon amandae	3.2 cm	22.2–25°	5.5–7	Easy	Peaceful
Acei Cichlid	Pseudotropheus sp. Acei	15.2 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Albino Peacock Cichlid	Aulonocara stuartgranti	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Auratus Cichlid	Melanochromis auratus	11 cm	24–27°	7.8–8.6	Intermediate	Aggressive
Blue Peacock Cichlid	Aulonocara nyassae	17.8 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Brichardi Cichlid Group, Albino	Neolamprologus brichardi	12.7 cm	22.2–27.8°	7.8–9	Moderate	Semi-Aggressive
Buffalo Head Cichlid	Steatocranus casuarius	11.4 cm	22.2–27.8°	6–8	Easy	Semi-Aggressive
Bumblebee Cichlid	Pseudotropheus crabro	15.2 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Butterikoferi Cichlid	Tilapia butterikoferi	30.5 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Calvus Cichlid	Altolamprologus calvus	15.2 cm	23.9–26.7°	7.8–9	Easy	Aggressive
Caudopunctatus Cichlid	Neolamprologus caudopunctatus	8.9 cm	22.2–27.8°	7.8–9	Easy	Aggressive
Cobalt Blue Zebra Cichlid	Metriaclima callainos	15.2 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Daffodil Cichlid	Neolamprologus pulcher	10.2 cm	23.3–27.8°	7.5–8.5	Easy	Semi-Aggressive
Demasoni Cichlid	Pseudotropheus demasoni	7.6 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Dragon Blood Peacock Cichlid	Aulonocara sp	12.7 cm		7.5–8.5	Moderate
Duboisi Cichlid	Tropheus duboisii	12.7 cm	22.2–27.8°	7.8–9	Moderate	Aggressive
Electric Blue Cichlid	Sciaenochromis fryeri	20.3 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Electric Yellow Cichlid	Labidochromis caeruleus	15.2 cm	22.2–27.8°	7.8–8.5	Easy	Semi-Aggressive
Frontosa Cichlid	Cyphotilapia frontosa	38.1 cm	22.2–27.8°	7.8–9	Moderate	Semi-Aggressive
Fuelleborni Cichlid, Marmalade	Labeotropheus fuelleborni	17.8 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Gold Head Compressicep Cichlid	Altolamprologus compressicep	15.2 cm	22.2–27.8°	7.8–9	Easy	Aggressive
Gold Ocellatus Cichlid	Lamprologus ocellatus	5.1 cm	22.2–27.8°	7.8–9	Easy	Aggressive
Julidochromis	Julidochromis regani	12 cm	23–27°	7.8–9	Intermediate	Semi-aggressive
Kenyi Cichlid	Metriaclima lombardoi	15.2 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Kribensis Cichlid	Pelvicachromis pulcher	10.2 cm	22.2–27.8°	6–8	Easy	Semi-Aggressive
Mbuna Mixed Cichlid	Pseudotropheus sp.	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Moorei Cichlid	Cyrtocara moorii	22.9 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Multies (Shell Dweller)	Neolamprologus multifasciatus	4.5 cm	24–27°	7.8–9	Easy	Semi-aggressive
Orange Leleupi Cichlid	Neolamprologus leleupi	10.2 cm	22.2–27.8°	7.8–9	Easy	Semi-Aggressive
Peacock Cichlid, Orange Blotched	Aulonocara nyassae var.	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Red Peacock Cichlid	Aulonocara sp.	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Red Zebra Cichlid	Metriaclima estherae	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Tretocephalus Cichlid	Neolamprologus tretacephaleus	15.2 cm	22.2–27.8°	7.8–9	Easy	Aggressive
Tropheus Moorii	Tropheus moorii	12 cm	24–27°	8–9	Difficult	Aggressive
Venustus Cichlid	Nimbochromis venustrus	25.4 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Yellow Lab Cichlid	Labidochromis caeruleus	10 cm	24–27°	7.8–8.6	Easy	Semi-aggressive
Yellow Peacock Cichlid	Aulonocara baenschi	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Yellowfin Borleyi Cichlid	Copadichromis borleyi	20.3 cm	24.4–27.8°	7.8–8.6	Easy	Aggressive
Zebra Obliquidens	Haplochromis latifasciata	12.7 cm	24.4–27.8°	7.8–8.6	Easy	Semi-Aggressive
Albino Glass Cleaner Plecostomus	Hypostomus plecostomus	55.9 cm	22.2–27.8°	6.5–7.5	Easy	Peaceful
Dwarf African Frog	Hymenochirus curtipes	6.3 cm	22.2–27.8°	6.8–7.8	Moderate	Peaceful
Rosy Barb	Puntius conchonius	15.2 cm	23.3–26.1°	6–7	Easy	Semi-Aggressive
Snakeskin Barb	Puntius rhombocellatus	5.1 cm	22.8–27.8°	5.5–7	Moderate	Semi-Aggressive
Crowntail Betta	Betta splendens	7.6 cm	23.9–30°	6–8	Easy	Peaceful
Halfmoon Betta	Betta splendens	6.5 cm	25–29°	6–7.5	Easy	Semi-aggressive
Plakat Betta	Betta splendens	6 cm	25–29°	6–7.5	Easy	Semi-aggressive
Albino Senegal Bichir		73.7 cm	25–28.3°	6.2–7.8	Moderate	Semi-Aggressive
Lapradei Bichir	Polypterus ornatipinnis	73.7 cm	25–28.3°	6.5–7.5	Moderate	Semi-Aggressive
African Butterflyfish	Pantodon buchholzi	12.7 cm	23.9–30°	6.9–7.1	Moderate	Aggressive
Blood Parrot Cichlid	hybrid (Amphilophus x Vieja)	20 cm	24–28°	6.5–7.5	Easy	Semi-aggressive
Flowerhorn Cichlid	hybrid cichlid	30 cm	26–30°	7–8	Intermediate	Aggressive
Freshwater Angelfish	Pterophyllum scalare	15 cm	25–30°	6–7.5	Easy	Semi-aggressive
Jack Dempsey Cichlid	Rocio octofasciata	25 cm	22–29°	6.5–8	Intermediate	Aggressive
Tiger Oscar	Astronotus ocellatus	33 cm	23–28°	6–7.5	Intermediate	Aggressive
Adolfoi Cory Cat	Corydoras aldolfoi	6.3 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Agassizi Cory Cat	Corydoras agassizi	8.9 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Albino Aeneus Cory Cat	Corydoras aeneus	6.3 cm	22.2–26.1°	6–7.2	Easy	Peaceful
Ellis Cory Cat	Corydoras ellisae	5.1 cm	22.2–26.1°	5.5–7.5	Easy	Peaceful
Emerald Green Cory Cat	Brochis splendens	8.9 cm	22.2–26.1°	6.8–7.2	Easy	Peaceful
False Julii Cory Cat	Corydoras sp.	5.1 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Leopard Catfish	Corydoras julii	5.1 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Loxozonus Catfish	Corydoras loxozonus	5.7 cm	23.9–26.7°	5–7.5	Easy	Peaceful
Panda Cory Cat	Corydoras panda	6.3 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Peppered Cory Cat	Corydoras paleatus	6.3 cm	22.2–26.1°	5.8–7	Easy	Peaceful
Similis Corydoras Catfish	Corydoras similis	5.1 cm	22.2–26.1°	6–8	Easy	Peaceful
Skunk Cory Cat	Corydoras arcuatus	6.3 cm	20–25°	6.2–7.2	Easy	Peaceful
Sterba's Cory Cat	Corydoras sterbai	7.6 cm	21.1–25°	6.2–7.8	Easy	Peaceful
Virginiae Corydoras Catfish	Corydoras virginiae	5.1 cm	22.2–26.1°	6–8	Easy	Peaceful
Celestial Pearl Danio (Galaxy Rasbora)	Celestichthys margaritatus	5.1 cm	17.8–23.9°	6.5–7.5	Easy	Peaceful
Feeder White Clouds	Tanichthys albonubes	3.8 cm	17.8–22.2°	6.5–7.5	Easy	Peaceful
Giant Danio	Danio aequipinnatus	14 cm	17.8–23.9°	6.5–7.5	Easy	Peaceful
GloFish®, Sunburst Orange® Danio	Danio rerio	6.3 cm	17.8–22.2°	6.5–7.5	Easy	Peaceful
Glowlight Danio	Danio choprai	15.2 cm	22.2–25.6°	5.8–7	Easy	Peaceful
Gold Ring Burmese Danio	Danio tinwini	5.1 cm	17.8–23.9°	6.5–7.5	Easy	Peaceful
Leopard Longfin Danio	Danio frankei	7.6 cm	17.8–23.9°	6.5–7	Easy	Peaceful
Pearl Danio	Brachydanio albolineatus	5.1 cm	22.8–25°	6.5–7	Easy	Peaceful
Blue Turquoise Discus	Symphysodon spp.	20.3 cm	26.1–30°	6.1–7.5	Moderate	Peaceful
Banded Leporinus	Leporinus fasciatus	30.5 cm	22.2–27.2°	6–7.5	Easy
Pinktail Chalceus	Chalceus macrolepidotus	25.4 cm	23.3–26.1°	6.5–7.5	Moderate
Redtail Catfish	Phractocephalus hemioliopterus	139.7 cm	21.1–24.4°	5.5–6.8	Moderate	Aggressive
Silver Arowana	Osteoglossum bicirrhosum	88.9 cm	23.9–27.8°	6–8	Moderate	Semi-Aggressive
Tiger Mosaic Cobra Guppy		5.1 cm	17.8–27.8°	5.5–8	Easy	Peaceful
Albino Rainbow Shark	Epalzeorhynchos frenatus	15.2 cm	22.2–26.1°	6.5–7.5	Moderate	Semi-Aggressive
Bala Shark	Balantiocheilus melanopterus	30.5 cm	20–25°	6–6.5	Moderate	Peaceful
Columbian Shark	Arius seemani, Arius jordani	25.4 cm	23.3–26.1°	7–7.5	Easy	Peaceful
Redtail Shark	Epalzeorhynchos bicolor	10.2 cm	22.2–26.1°	6.5–7.5	Moderate	Semi-Aggressive
Siamese Algae Eater	Crossocheilus siamensis	15.2 cm	23.9–26.1°	6.5–7	Moderate	Peaceful
GloFish®, Sunburst Orange® Longfin Tetra	Gymnocorymbus sp.	6.3 cm	22.2–27.8°	6–7.5	Moderate	Peaceful
Black Moor Goldfish	Carassius auratus	15 cm	18–24°	7–8	Easy	Peaceful
Bubble Eye Goldfish	Carassius auratus	13 cm	18–24°	7–8	Difficult	Peaceful
Lionhead Goldfish	Carassius auratus	15 cm	18–24°	7–8	Intermediate	Peaceful
Oranda Goldfish	Carassius auratus	20 cm	18–24°	7–8	Easy	Peaceful
Pearlscale Goldfish	Carassius auratus	13 cm	18–24°	7–8	Intermediate	Peaceful
Ranchu Goldfish	Carassius auratus	15 cm	18–24°	7–8	Intermediate	Peaceful
Red Cap Oranda	Carassius auratus	20 cm	18–24°	7–8	Easy	Peaceful
Ryukin Goldfish	Carassius auratus	18 cm	18–24°	7–8	Easy	Peaceful
Albino Paradise Gourami	Macropodus opercularis	11.4 cm	16.1–26.1°	6–8	Easy	Semi-Aggressive
Blue Gourami	Trichogaster trichopterus	15.2 cm	22.2–25.6°	6–8	Easy	Semi-Aggressive
Chocolate Gourami	Sphaerichthys osphromenoides	6.3 cm	23.9–30°	6–7.6	Difficult	Peaceful
Flame Dwarf Gourami	Trichogaster lalia	5.1 cm	22.2–25.6°	6–8	Easy	Semi-Aggressive
Honey Dwarf Gourami	Trichogaster chuna	5.1 cm	22.2–25.6°	6–8	Easy	Peaceful
Honey Gourami	Trichogaster chuna	5 cm	22–28°	6–7.5	Easy	Peaceful
Kissing Gourami	Helostoma temmincki	15.2 cm	22.2–25.6°	6–8	Easy	Semi-Aggressive
Licorice Gourami	Parosphromenus deissneri	3.2 cm	23.3–27.8°	5.6–7.2	Expert Only	Peaceful
Neon Blue Dwarf Gourami	Trichogaster lalius	6.3 cm	23.9–30°	6–8	Easy	Peaceful
Pearl Gourami	Trichopodus leerii	11.4 cm	16.1–26.1°	6–8	Easy	Semi-Aggressive
Sparkling Gourami	Trichopsis pumila	15.2 cm	23.9–27.8°	5.8–7	Easy	Semi-Aggressive
Albino Silver Hatchet	Gasteropelecus sternicla	5.1 cm	22.8–26.1°	6–7	Difficult
Marble Hatchet	Carnegiella strigata	3.2 cm	23.9–27.2°	5.5–7.5	Difficult
Clown Killifish	Aplocheilus annulatus	5.1 cm	22.8–26.1°	6–7.5	Easy	Peaceful
Daisy's Blue Rice Killifish	Oryzias woworae	3.2 cm	22.2–26.7°	6–7.5	Easy	Peaceful
Golden Wonder Killifish	Apolcheilus lineatus	10.2 cm	22.2–23.9°	6–7.5	Easy	Peaceful
Guentheri Killifish	Nothobranchius guentheri	5.7 cm	22.2–23.9°	6–7.5	Easy	Peaceful
Magnificus Killifish	Simpsonichthys magnificus	6.3 cm	22.2–23.9°	6–7.5	Easy	Peaceful
Rachovi Killifish	Nothobranchius rachovi	5.7 cm	22.2–23.9°	6–7.5	Easy	Peaceful
Burmese Upside Down Catfish	Mystus leucophasus	12.7 cm	23.3–26.1°	6.5–7.4	Easy	Peaceful
Dwarf Petricola Synodontis Catfish	Synodontis lucipinnis	10.2 cm	22.2–25.6°	6.5–8	Moderate	Peaceful
Ghost Glass Cat	Kryptopterus bicirrhis	10.2 cm	23.9–26.7°	6.5–7	Moderate	Peaceful
Pictus Catfish	Pimelodus pictus	12.7 cm	23.9–27.2°	7–7.5	Easy	Peaceful
Porthole Catfish	Dianema longibarbis	10.2 cm	23.9–27.8°	5.5–7.5	Easy	Peaceful
Striped Raphael Catfish	Platyodras armatulus	17.8 cm	23.9–27.8°	6–7.5	Easy	Peaceful
Synodontis Angelicus Catfish	Synodontis angelicus	20.3 cm	23.9–27.8°	7.5–8.4	Easy	Semi-Aggressive
Synodontis Brichardi Catfish	Synodontis brichardi	15.9 cm	22.2–26.1°	6.5–8.5	Moderate	Peaceful
Synodontis Decorus Catfish	Synodontis decorus	25.4 cm	23.9–27.8°	6.5–7.5	Easy	Peaceful
Synodontis Eupterus Catfish	Synodontis eupterus	20.3 cm	23.9–27.8°	6.5–7.8	Moderate	Semi-Aggressive
Synodontis Flavitaeniatus Catfish	Synodontis flavitaeniatus	19.1 cm	23.9–27.8°	6.5–8	Easy	Semi-Aggressive
Synodontis Ocellifer Catfish	Synodontis ocellifer	20.3 cm	23.9–27.8°	6.5–7.8	Easy	Peaceful
Synodontis Zebra Hybrid	Synodontis sp.	22.9 cm	23.9–27.8°	6.5–7.8	Easy	Peaceful
Synodontis angelicus X Eupterus hybrid	Synodontis angelicus X eupterus	20.3 cm	23.9–27.8°	6.5–7.5	Moderate	Semi-Aggressive
Tiger Shovelnose Catfish	Pseudoplatystoma fasciatum	99.1 cm	23.9–27.8°	6–8	Moderate	Aggressive
Upside Down Catfish	Synodontis nigriventris	10.2 cm	23.9–27.8°	6–7.5	Easy	Peaceful
Dalmatian Molly	Poecilia sphenops	10 cm	24–28°	7.5–8.5	Easy	Peaceful
Fancy Guppy	Poecilia reticulata	5 cm	22–28°	7–8.2	Easy	Peaceful
Mickey Mouse Platy	Xiphophorus maculatus	6 cm	20–26°	7–8.2	Easy	Peaceful
Sailfin Molly	Poecilia latipinna	12 cm	24–28°	7.5–8.5	Easy	Peaceful
Black Kuhlii Loach	Pangio sp.	11.4 cm	26.1–30°	6–6.5	Moderate	Peaceful
Clown Loach	Botia macracantha	30.5 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Dario Botia Loach	Botia dario	11.4 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Dojo Loach	Misgurnus anguillicaudatus	15.2 cm	10–27.8°	6.5–8	Moderate	Peaceful
Dwarf Chain Loach	Ambastaia sidthimunki	5.1 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Horseface Loach	Acantopsis choirorhynchus				Moderate	Peaceful
Kubotai Loach	Botia kubotai	15.2 cm	22.2–30°	6–7.5	Moderate	Peaceful
Lohachata Botia Loach	Botia lohachata	15.2 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Panda Garra	Garra flavatra	7.6 cm	22.2–25°	6.8–7.4	Moderate	Semi-Aggressive
Panda Loach	Protomyzon pachychilus	5.1 cm	22.2–25°	6.8–7.4	Moderate	Peaceful
Redtail Botia Loach	Botia modesta	10.2 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Reticulated Hillstream Loach	Sewellia lineolata	7.6 cm	17.8–22.2°	6.5–7.5	Moderate	Peaceful
Skunk Botia Loach	Botia morleti	10.2 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Striata Botia Loach	Botia striata	10.2 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Tiger Botia Loach	Botia hymenophysa	25.4 cm	22.2–30°	6–7.5	Moderate	Semi-Aggressive
Bumble Bee Goby	Brachygobius doriae	3.8 cm	22.2–28.9°	8–8.2	Moderate	Peaceful
Fan Dance Goby	Stigmatogobius sadanundio	8.9 cm	23.3–26.1°	7–8	Easy	Peaceful
Freshwater Neon Blue Goby	Stiphodon sp.	5.1 cm	22.2–26.7°	6.5–7.5	Moderate	Peaceful
Red Lips Goby	Sicyopus rubicundus	7.6 cm	23.3–26.1°	6–7.5	Moderate	Peaceful
Black Bar Silver Dollar	Myleus schomburgkii	12.7 cm	23.9–27.8°	6–7.2	Moderate	Peaceful
Black Ghost Knifefish	Apteronotus albifrons	45.7 cm	22.8–26.7°	6.5–7	Moderate	Semi-Aggressive
Celebes Half Beak	Nomorhamphus liemi	7.6 cm	23.9–26.1°	6.8–7.5	Difficult	Peaceful
Elephant Nose	Gnathonemus pertersii	22.9 cm	22.8–26.7°	6.5–7	Moderate	Semi-Aggressive
Fahaka Puffer	Tetraodon lineatus	38.1 cm	22.2–27.8°	7–8	Moderate	Aggressive
Fire Eel	Mastacembelus erythrotaenia	61 cm	23.9–27.8°	6.8–7.2	Moderate	Semi-Aggressive
Flying Arrow Goby	Sicyopus zosterophorus	6.3 cm	23.3–26.1°	6–7.5	Moderate	Peaceful
Glass Knifefish	Eigenmannia virescens	40.6 cm	22.8–27.8°	6–7	Moderate	Peaceful
Green Spotted Puffer	Tetraodon nigroviridis	25.4 cm	23.9–27.8°	7.2–8.4	Moderate	Semi-Aggressive
Humphead Glassfish	Prambassis sp.	12.7 cm	22.2–26.7°	7–8	Moderate	Peaceful
Indian Dwarf Puffer	Tetraodon travancoricus	3.8 cm	22.2–27.8°	7–8	Moderate	Aggressive
Leopard Ctenopoma	Ctenopoma acutirostre	15.2 cm	22.8–27.8°	6.5–7.5	Moderate	Aggressive
Needle Nose Gar	Xenentodon cancila	38.1 cm	24.4–27.8°	6.8–7.4	Moderate	Aggressive
Peacock Gudgeon	Tateurndina ocellicauda	6.3 cm	22.2–25°	7–7.8	Easy	Peaceful
Red Tailed Goby	Sicyopterus lagocephalus	12.7 cm	23.3–26.1°	6.8–7.5	Moderate	Peaceful
Redfin Prochilodus	Semaprochilodus taeniurus	30.5 cm	22.2–25°	6–7	Easy	Semi-Aggressive
Rope Fish	Erpetoichthys calabaricus	38.1 cm	22.2–27.8°	6–7.5	Easy	Peaceful
Scarlet Gem Badis	Dario dario	2.5 cm	22.8–26.1°	6.5–7.5	Moderate	Peaceful
Silver Dollar	Metynnis argenteus	15.2 cm	22.2–25°	5–7	Easy	Peaceful
Tire Track Eel	Mastacembelus armatus	76.2 cm	22.2–27.8°	6.8–7.2	Moderate	Semi-Aggressive
Zig Zag Yellow Tail Eel	Macrognathus pancalus	17.8 cm	23.9–27.8°	6.8–7.2	Moderate	Semi-Aggressive
Blackberry Silver Dollar		15.2 cm	22.2–25°	5–7	Easy	Peaceful
Black Balloon Molly		7.6 cm	20–27.8°	7–7.8	Moderate	Peaceful
Gold Dust Molly	Poecilia sphenops	12.7 cm	20–27.8°	7–7.8	Moderate	Peaceful
Golden Black Molly	Poecilia latipinna	12.7 cm	20–27.8°	7–7.8	Moderate	Peaceful
Assorted Feeder Platies	Xiphophorus sp.	5.1 cm	17.8–25°	7–8.2	Easy	Peaceful
LiveAquaria® Assorted Platy and Decor Bundle		5.1 cm	17.8–25°	7–8.2	Easy	Peaceful
Red Wag Platy	Xiphophorus maculatus	5.1 cm	17.8–25°	7–8.2	Easy	Peaceful
Blue Phantom (L-128) Plecostomus	Hemiancistrus	17.8 cm	24.4–27.8°	6–6.5	Moderate	Peaceful
Bushy Nose (L-144) Plecostomus, Albino Gold	Ancistrus sp.	12.7 cm	22.2–26.1°	6.5–7.4	Easy	Peaceful
Galaxy (L-07) Plecostomus	Leporacanthicus galazias	22.9 cm	22.2–24.4°	6.5–7.5	Easy	Peaceful
Gold Nugget Plecostomus	Baryancistrus sp.	25.4 cm	22.8–26.1°	6.5–7	Moderate	Peaceful
Gold Spotted (L-136) Plecostomus	Hypancistrus sp	10.2 cm	22.2–27.8°	6.5–7.4	Easy	Peaceful
Green Phantom (L-200) Plecostomus	Hemiancistrus subviridis/Baryancistrus demantoides	17.8 cm	24.4–27.8°	6–6.5	Moderate	Peaceful
Mango (L-47) Plecostomus	Parancistrus sp. Magnum	27.9 cm	22.2–24.4°	6.5–7.5	Easy	Peaceful
Para Plecostomus (L-075)	Peckoltia sabaji	20.3 cm	24.4–27.8°	6–7.5	Easy	Peaceful
Peppermint (L-31) Plecostomus	Parancistrus sp.	17.8 cm	22.8–26.1°	6.5–7	Moderate	Peaceful
Red Lizard Whiptail (L-10A) Plecostomus	Rineloricaria sp.	10.2 cm	24.4–27.8°	6–7.5	Moderate	Peaceful
Redtail Leopard (L-114) Plecostomus	Pseudacanthicus leopardus	21.6 cm	23.3–26.1°	6.5–7.4	Easy	Peaceful
Rio de Para Pleco (L-075)	Hemiancistrus sabaji	20.3 cm	22.2–27.8°	6–7.5	Easy	Peaceful
Royal (L-191) Plecostomus	Panaque sp. L-191	40.6 cm	23.3–26.1°	6.5–7.4	Easy	Peaceful
Sailfin Plecostomus	Pterygoplichthys gibbiceps	45.7 cm	23.3–26.1°	6.5–7.4	Easy	Peaceful
Snowball Plecostomus (L-201)	Hypancistrus inspector	15.2 cm	22.2–30°	6–7.5	Easy	Peaceful
Spotted Dwarf Hypostomus Pleco (L-303)	Hypostomus macushi	17.8 cm	24.4–27.8°	6–7.5	Easy	Peaceful
Spotted Sailfin (L-001) Plecostomus	Pterygoplichthys joselimaianus	30.5 cm	23.3–26.1°	6.5–7.4	Easy	Peaceful
TCN Queen Arabesque Pleco (L-260)	Hypancistrus sp.	10.2 cm	22.2–26.1°	6.5–7.4	Easy	Peaceful
Thomasi (L-188a) Plecostomus	Chaetostoma sp.	15.2 cm	22.2–25.6°	6.5–7.4	Easy	Peaceful
Trinidad Plecostomus	Hypostomus punctatus	27.9 cm	22.2–27.8°	6–7.5	Easy	Peaceful
Zebra Altimira (L-46) Plecostomus	Hypancistrus zebra	8.9 cm	26.1–30°	6.5–7	Moderate	Peaceful
Australian Rainbow	Melanotaenia fluviatilis	10.2 cm	22.2–23.9°	7–8.3	Easy	Peaceful
Boesemani Rainbow	Telmatherina ladigesi	10.2 cm	22.2–25°	7–8	Easy	Peaceful
Praecox Rainbow	Melanotaenia praecox	7.6 cm	22.2–25°	6.8–7.5	Easy	Peaceful
Red Irian Rainbow	Glossolepis incisus	11.4 cm	22.2–25°	7–8	Easy	Peaceful
Red Neon Blue Eye Rainbow	Pseudomugil luminatus	3.8 cm	22.2–25°	6.5–7.5	Easy	Peaceful
Threadfin Rainbow	Iriatherina werneri	5.1 cm	22.2–25°	6–7.2	Easy	Peaceful
Turquoise Rainbow	Melanotaenia lacustris	10.2 cm	21.1–25°	7–7.5	Easy	Peaceful
Axelrod Rasbora	Rasbora axelrodi	3.8 cm	22.8–26.1°	6–7.5	Moderate	Peaceful
Emerald Eye Rasbora	Brevibora dorsiocellata	3.8 cm	22.8–26.1°	6–7.5	Moderate	Peaceful
Green Kubotai Rasbora	Rasbora kubotai	1.3 cm	22.2–27.8°	5.5–7.5	Easy	Peaceful
Harlequin Rasbora	Rasbora heteromorpha	5.1 cm	22.2–25°	6–6.5	Easy	Peaceful
Lambchop Rasbora	Trigonostigma espei	5.1 cm	22.2–25°	5.5–7.5	Easy	Peaceful
Scissortail Rasbora	Rasbora trilineata	15.2 cm	22.8–25°	6–6.5	Moderate	Peaceful
Red Tail Shark	Epalzeorhynchos bicolor	15 cm	22–27°	6.5–7.5	Intermediate	Semi-aggressive
Chinese Algae Eater	Gyrinocheilos aymonieri	30.5 cm	23.3–26.1°	6.8–7.4	Easy	Semi-Aggressive
Farlowella Catfish	Farlowella acus	15.2 cm	22.8–26.1°	6.5–7	Moderate	Peaceful
Otocinclus Catfish	Otocinclus sp.	10.2 cm	23.3–26.1°	6.8–7.5	Expert Only	Peaceful
Royal Farlowella Catfish	Sturisoma sp.	20.3 cm	21.1–25.6°	6.8–7.4	Easy	Peaceful
Red Lyretail Swordtail	Xiphophorus helleri	10.2 cm	17.8–27.8°	7–8.3	Easy
Alestes Tetra	Brycinus longipinnis	12.7 cm	23.9–27.2°	6–8	Moderate	Semi-Aggressive
Black Neon Tetra, Albino	Hyphessobrycon herbertaxelrodi	3.8 cm	22.2–25°	5–7	Easy	Peaceful
Black Phantom Tetra	Megalamphodus megalopterus	5.1 cm	22.2–27.8°	6–7.5	Moderate	Peaceful
Black Skirt Tetra	Gymnocorymbus ternetzi	6 cm	22–28°	6–8	Easy	Semi-aggressive
Bleeding Heart Tetra	Hyphessobrycon erythrostigma	5.1 cm	22.2–25°	6–6.5	Easy	Peaceful
Blind Cave Tetra	Astyanax mexicanus	8.9 cm	20–25°	6.5–8	Easy	Peaceful
Blue Tetra Group	Boehlkea fredcochui	5.1 cm			Easy
Brilliant Rummynose Tetra	Hemigrammus bleheri	5.1 cm	22.2–25°	5.5–7	Expert Only	Peaceful
Bucktooth Tetra	Exodon paradoxus	12.7 cm	22.2–27.8°	5.5–7.5	Moderate	Aggressive
Buenos Aires Tetra	Hemigrammus caudovittatus	6.3 cm	17.8–27.8°	7–8.3	Easy	Peaceful
Candy Cane Tetra	Hyphessobrycon rosaceus	6.3 cm	23.9–30°	6–8	Easy	Peaceful
Cardinal Tetra	Paracheirodon axelrodi	5.1 cm	22.8–27.2°	5.5–7.5	Expert Only	Peaceful
Congo Tetra Group, Longfin	Phenacogrammus interruptus	7.6 cm	23.9–27.2°	6–6.2	Moderate	Peaceful
Diamond Tetra	Moenkausia pittieri	5.1 cm	23.9–27.8°	6–7.5	Moderate	Peaceful
Emperor Tetra	Nematobrycon palmeri	5.1 cm	22.2–25°	6–8	Moderate	Peaceful
Filigree Bloodfin Tetra	Prionobama filigera	3.8 cm	22.2–26.7°	6.6–7	Easy	Peaceful
Glowlight Tetra	Hemigrammus erythrozonus	5.1 cm	22.2–25°	5.5–7	Easy	Peaceful
Gold Pristella Tetra	Pristella maxillaris	5.1 cm	17.8–27.8°	5.8–8.5	Easy	Peaceful
Gold Tetra	Rachoviscus crassiceps	4.4 cm	22.2–25°	6–6.5	Easy	Peaceful
Green Fire Tetra	Aphyocharax rathbuni	5.1 cm	22.2–26.7°	6.6–7	Moderate	Peaceful
Head and Tail Light Tetra	Hemigrammus ocellifer	5.1 cm	17.8–27.8°	5.8–8.5	Easy	Peaceful
Neon Tetra	Paracheirodon innesi	3.8 cm	20–25.6°	5.5–7	Easy	Peaceful
Penguin Tetra	Thayeria boehlkei	7.6 cm	17.8–27.8°	5.8–8.5	Easy	Peaceful
Red Eye Tetra	Moenkhausia sanctaefilomene	7.6 cm	22.2–27.8°	5.8–8.5	Easy	Peaceful
Red Phantom Tetra	Hyphessobrycon sweglesi	5.1 cm	22.2–27.8°	5.5–7.5	Easy	Peaceful
Red/Blue Columbian Tetra	Hyphessobrycon columbianus	8.9 cm	20–25°	6.5–8	Easy	Peaceful
Silver Tip Tetra	Hasemania nana	5.1 cm	17.8–27.8°	5.8–8.5	Easy	Peaceful
White Widow Tetra	Gymnocorymbus tetnetzi	3.8 cm	22.2–27.8°	6–7.5	Easy	Peaceful
Adolfos Catfish		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Adonis Tetra		2 cm	21–26°	5.5–7.5	Intermediate	Peaceful
African Banded Barb		6 cm	21–26°	6–7	Beginner – Intermediate	Peaceful
African Butterfly Cichlid		8 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
African Copper Ribbon Tetra		7 cm	22–28°	6–7.5	Beginner – Intermediate	Peaceful
African Freshwater Pipefish		10 cm	23–27°	7–8	Intermediate – Advanced	Peaceful
African Glass Catfish		10 cm	22–27°	6.5–7.5	Intermediate – Advanced	Peaceful
African Moon Tetra		8 cm	22–25°	6–7.5	Beginner – Intermediate	Peaceful
African Red Eyed Tetra		8 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
African Spottail Tetra		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Agassizs Corydoras		5 cm	21–26°	6–8	Intermediate	Peaceful
Agassiz’s Apistogramma		7.5 cm	22–29°	4–6.5	Beginner – Intermediate	Semi-Aggressive
Ajamaru Rainbowfish		10 cm	27–30°	6.5–8	Beginner – Intermediate	Peaceful
Allpahuayo Dwarf Cichlid		7 cm	24–28°	4.5–6.5	Intermediate	Peaceful
Altifron Eartheater		22 cm	26–32°	5–7	Intermediate	Peaceful
Amanda Jane Corydoras		6 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Amazon Dwarf Cichlid		7 cm	22–29°	4.5–7	Intermediate	Semi-Aggressive
Amazon Leaffish		10 cm	22–25°	5–6	Intermediate – Advanced	Semi-Aggressive
American Flagfish		7 cm	17–30°	6.5–8.5	Beginner – Intermediate	Semi-Aggressive
Annie’s Goby		3 cm	18–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Anus Spot Lampeye Killifish		2.5 cm	22–26°	6–7.5	Intermediate	Peaceful
Apollo’s Leporinus		15 cm	20–27°	6–8	Intermediate – Advanced	Peaceful
Apricot Tetra		6 cm	24–28°	6–7	Intermediate	Peaceful
Aquarium Fish Database - AquariumLesson
Araguaia Corydoras		6 cm	21–26°	6–8	Beginner – Intermediate	Peaceful
Archer Halfbeak		7 cm	24–28°	6–8	Beginner – Intermediate	Peaceful
Argentine Humphead		12 cm	16–26°	6.5–7.5	Intermediate	Semi-Aggressive
Armatus Corydoras		6.5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Armoured Stickleback		3 cm	22–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Arowana Tetra		5 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Aru Rainbowfish		9 cm	22–27°	7–8	Beginner – Intermediate	Peaceful
Arulius Barb		10 cm	18–22°	6–8	Intermediate	Peaceful
Asian Bumblebee Catfish		15 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
Asian Upside Down Catfish		30 cm	23–26°	6–7	Intermediate	Peaceful
Assam Danio		10 cm	15–21°	6–8	Beginner – Intermediate	Peaceful
Assorted Longfin Oscar	Astronotus sp.	30.5 cm	22.2–26.7°	6–8	Moderate	Semi-Aggressive
Aureofuscus Goby		5 cm	22–28°	7–8	Beginner – Intermediate	Peaceful
Aurora Cichlid		10 cm	24–27°	7.5–8.5	Intermediate – Advanced	Aggressive
Aurora Lizard Tetra		10 cm	22–26°	5–7	Beginner – Intermediate	Peaceful
Avacado Pufferfish		10 cm	23–27°	6–8	Intermediate – Advanced	Aggressive
Axelrods Corydoras		5 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Bala Shark		35 cm	22–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Banded Apistogramma		8 cm	23–30°	4.5–7	Beginner – Intermediate	Peaceful
Banded Archerfish		30 cm	25–30°	7–8	Intermediate – Advanced	Peaceful
Banded Gourami		10 cm	23–28°	6–7.5	Beginner – Intermediate	Peaceful
Banded Hillstream Loach		7.5 cm	18–24°	6–7.5	Intermediate – Advanced	Peaceful
Banded Rainbowfish		13 cm	21–26°	6.5–8.5	Beginner	Peaceful
Bandit Corydoras		5 cm	20–26°	6–7.5	Beginner – Intermediate	Peaceful
Bandtail Tetra		10 cm	22–26°	6–7.5	Intermediate	Peaceful
Bandula Barb		4.5 cm	20–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Banjo Catfish		15 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Bar Cheek Goby		9 cm	18–24°	6.5–8.5	Intermediate	Peaceful
Barca Snakehead		105 cm	10–28°	6–8	Intermediate – Advanced	Semi-Aggressive
Barito Loach		8 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Barlow’s Apistogramma		6.5 cm	22–29°	4.5–7	Intermediate	Semi-Aggressive
Barred Bichir		35 cm	24–30°	6–8	Intermediate – Advanced	Peaceful
Barred Danio		8 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
Barred Pencilfish		3 cm	21–27°	5–7	Beginner – Intermediate	Peaceful
Barred Rainbowfish		12 cm	28–32°	7–8	Beginner – Intermediate	Peaceful
Batman Betta		3.5 cm	22–28°	4.5–6	Intermediate	Peaceful
Bela Adormecida Tetra		6 cm	24–28°	6–7.5	Beginner – Intermediate	Peaceful
Bengal Danio		8 cm	15–26°	6–8	Beginner – Intermediate	Peaceful
Bengal Loach		15 cm	23–27°	6–7.5	Intermediate	Peaceful
Bereme Creek Goby		6 cm	22–26°	6.5–7.5	Intermediate	Peaceful
Bintan Licorice Gourami		3 cm	22–28°	3–6.5	Intermediate	Peaceful
Bird Song Goby		2 cm	22–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Black Arrow Royal Tetra		5 cm	22–26°	6–7	Beginner – Intermediate	Peaceful
Black Banded Leporinus		30 cm	22–27°	5.5–7.5	Intermediate	Peaceful
Black Banded Rainbowfish		10 cm	23–28°	5–8	Beginner – Intermediate	Peaceful
Black Barred Danio		8 cm	17–26°	6–7.5	Beginner – Intermediate	Peaceful
Black Chin Tetra		12 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Black Convict Cichlid	Amatitlania nigrofasciata	12.7 cm	22.2–25.6°	6.5–7.5	Moderate	Aggressive
Black Darter Tetra		5 cm	23–27°	3.5–6.5	Advanced	Peaceful
Black Diamond Corydoras CW49		6 cm	22–27°	5–8	Beginner – Intermediate	Peaceful
Black Ghost Knifefish		50 cm	23–28°	6.5–8	Intermediate – Advanced	Peaceful
Black Heart Tetra		5 cm	24–28°	5.5–7.5	Beginner – Intermediate	Peaceful
Black Ink Barb		6 cm	24–28°	6–7	Beginner – Intermediate	Peaceful
Black Line Tetra		5 cm	22–27°	7–7.5	Beginner – Intermediate	Peaceful
Black Neon Tetra		4 cm	20–26°	5.5–7	Beginner – Intermediate	Peaceful
Black Phantom Tetra		3.5 cm	22–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Black Ruby Barb		5 cm	22–28°	5.5–7.5	Beginner	Peaceful
Black Sharkminnow		90 cm	20–26°	6.5–7.5	Intermediate – Advanced	Aggressive
Black Stripe Dwarf Cichlid		7 cm	25–28°	4.5–6	Intermediate – Advanced	Semi-Aggressive
Black Toraja Goby		5 cm	26–30°	7.5–9	Intermediate – Advanced	Semi-Aggressive
Black Venezuela Corydoras		6 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Black-Bellied Limia		5 cm	22–28°	7.5–8.5	Beginner – Intermediate	Peaceful
Black-belt Tetra		5 cm	24–28°	4.5–7	Beginner – Intermediate	Peaceful
Black-winged Hatchetfish		3.5 cm	20–28°	4–7	Intermediate – Advanced	Peaceful
Blackfin Pearl Killifish		5 cm	17–23°	6–7	Beginner – Intermediate	Semi-Aggressive
Blackline Tail Tetra		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Blacknose Butterfly Barb		3 cm	24–26°	5–6	Intermediate	Peaceful
Blackstripe Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Blacktop Corydoras		5.5 cm	21.7–27.8°	6–8	Beginner – Intermediate	Peaceful
Bleeding Blue Tetra		5 cm	23–26°	6–7.5	Beginner – Intermediate	Peaceful
Bleeding Heart Tetra		8 cm	22–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Blood Tailed Danio		10 cm	21–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Bloodfin Tetra		5.5 cm	17–27°	6–8	Beginner	Peaceful
Blue Acara	Aequidens pulcher	12.7 cm	22.2–27.8°	6.5–8	Moderate	Semi-Aggressive
Blue Botia		18 cm	22–30°	6–7.5	Intermediate	Semi-Aggressive
Blue Cheek Dwarf Cichlid		5.5 cm	23–29°	5.5–7	Beginner – Intermediate	Peaceful
Blue Danio		4.5 cm	22–25°	6.5–7.5	Beginner – Intermediate	Peaceful
Blue Diamond Tetra		6 cm	23–27°	6–7.5	Intermediate	Peaceful
Blue Dolphin Cichlid		25 cm	23–28°	7.5–9	Intermediate	Semi-Aggressive
Blue Eyed Congo Tetra		10 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Blue Eyed Plecostomus		30 cm	22–28°	6–8	Intermediate – Advanced	Peaceful
Blue Fin Hillstream Loach		5 cm	20–24°	6–7.5	Beginner – Intermediate	Peaceful
Blue Flash Glass Tetra		4 cm	22–28°	5.5–7	Beginner – Intermediate	Peaceful
Blue Moon Danio		8 cm	18–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Blue Neon Cichlid		11 cm	24–27°	7.5–9	Intermediate	Peaceful
Blue Neon Goby		5 cm	22–26°	6.5–7.5	Intermediate – Advanced	Peaceful
Blue Panchax		8 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
Blue Panda Apistogramma		7.5 cm	21–28°	4–6.5	Beginner – Intermediate	Semi-Aggressive
Blue Purple Emperor Tetra		4 cm	22–26°	6–7.5	Beginner	Peaceful
Blue Scraper Cichlid		12 cm	23–27°	7.5–8.5	Intermediate	Semi-Aggressive
Blue Spot African Tetra		16 cm	21–27°	6–8	Intermediate	Peaceful
Blue Spotted Hill Trout		15 cm	17–26°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Blue Striped Rivulus Killifish		4.5 cm	22–25°	5.5–7	Beginner – Intermediate	Peaceful
Blue Tetra		2 cm	23–26°	5.5–7	Beginner – Intermediate	Peaceful
Blue-purple Croaking Tetra		4 cm	20–24°	6–6.5	Beginner – Intermediate	Peaceful
Blueberry Tetra		2.5 cm	20–26°	5.5–7	Beginner – Intermediate	Peaceful
Bluefin Killifish		5 cm	12–22°	6.5–7	Beginner – Intermediate	Peaceful
Bluefin Notho		6 cm	20–23°	6–7.5	Beginner – Intermediate	Peaceful
Boesemans Rainbowfish		13 cm	26–30°	6.5–8	Beginner	Peaceful
Bolivian Ram	Mikrogeophagus altispinosa	22.9 cm	13.9–21.1°	6–7.5	Difficult	Peaceful
Bolivian Ram Cichlid		8 cm	23–25°	6–7.5	Beginner – Intermediate	Peaceful
Bonti Rainbowfish		8 cm	22–24°	7–8.5	Intermediate	Peaceful
Bonylip Barb		32 cm	22–26°	6.5–7	Intermediate	Peaceful
Borneo Red Fin Silver Shark		20 cm	21–26°	4–7	Beginner – Intermediate	Peaceful
Borneo Redline Halfbeak		6 cm	24–27°	4–6	Intermediate – Advanced	Peaceful
Boulenger’s Featherfin Tetra		25 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Brevirostris Corydoras		5 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
Brichard’s Slender Cichlid		10 cm	20–23°	6–7	Intermediate	Semi-Aggressive
Bristlenose Pleco		13 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Brittanichthys Axelrodi Tetra		3 cm	24–27°	4–7	Intermediate	Peaceful
Brittans Rasbora		5 cm	23–26°	5–7	Beginner – Intermediate	Peaceful
Broadstripe Shiner		7 cm	12–17°	6.5–7.5	Beginner – Intermediate	Peaceful
Broken Line Tetra		5 cm	23–26°	6–7.5	Beginner – Intermediate	Peaceful
Bronze Corydoras Var Longfin		7 cm	23–26°	6–8	Beginner – Intermediate	Peaceful
Brown Fork Tail Loach		5 cm	22–26°	6–7	Beginner – Intermediate	Peaceful
Brown Ghost Knifefish		20 cm	24–28°	6–7	Intermediate – Advanced	Semi-Aggressive
Bucktooth Tetra		12 cm	22–27°	5.5–7.5	Intermediate – Advanced	Aggressive
Buenos Aires Tetra		7 cm	17–28°	5.8–8.5	Beginner	Semi-Aggressive
Bumblebee Goby		4 cm	22–26°	6.5–8.5	Intermediate – Advanced	Semi-Aggressive
Bumblebee Otocinclus		2 cm	22–26°	6.5–7.5	Intermediate – Advanced	Peaceful
Burgess Corydoras		5.5 cm	20–28°	5–7	Beginner – Intermediate	Peaceful
Burmese Spotted Snakehead		25 cm	12–25°	6–8	Intermediate – Advanced	Aggressive
Butterfly Barb		3.5 cm	16–23°	4.5–6.5	Intermediate – Advanced	Peaceful
Butterfly Peacock Bass		75 cm	24–29°	6–7.5	Intermediate – Advanced	Aggressive
Butterfly Plecostomus L168		15 cm	25–27°	5.5–7	Beginner – Intermediate	Peaceful
Butterfly Splitfin Goodeid		10 cm	15–30°	7–8	Beginner – Intermediate	Semi-Aggressive
Calvus Cichlid		13 cm	24–27°	7.5–9	Intermediate – Advanced	Peaceful
Cardinal Brachyrhaphis		6 cm	21–30°	6.5–8	Intermediate – Advanced	Semi-Aggressive
Cardinal Tetra		5 cm	24–28°	4.5–7	Intermediate	Peaceful
Celebes Halfbeak		10 cm	20–24°	6.5–8	Beginner – Intermediate	Peaceful
Celebes Rainbowfish		8 cm	22–27°	7–8	Intermediate – Advanced	Peaceful
Celebes Ricefish		5 cm	22–30°	7–9	Beginner – Intermediate	Peaceful
Celestial Pearl Danio		2.5 cm	20–25°	5–6	Beginner – Intermediate	Peaceful
Cenepa Red Pencilfish		3.5 cm	23–27°	4–7	Beginner – Intermediate	Peaceful
Chalak Barb		12.5 cm	15–25°	6.5–7.5	Intermediate	Peaceful
Charpini Snakehead Gudgeon		12 cm	22–28°	6.5–7.5	Intermediate – Advanced	Semi-Aggressive
Checkerboard Cichlid		10 cm	27–30°	4.5–6.5	Intermediate	Peaceful
Checkered Barb		5 cm	20–23°	5.5–6.5	Beginner – Intermediate	Peaceful
Checkered Rainbowfish		12 cm	26–33°	6.5–8	Beginner – Intermediate	Peaceful
Cherry Barb		5 cm	21–26°		Beginner	Peaceful
Chessboard Cichlid		10 cm	26–30°	3.5–5.5	Intermediate – Advanced	Peaceful
Chevaliers Epiplatys Killifish		6 cm	24–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Chilli Rasbora		2 cm	23–27°	4.5–7.5	Beginner – Intermediate	Peaceful
Chinese High Fin Banded Shark		100 cm	18–27°	6–8	Intermediate – Advanced	Peaceful
Chinese Hillstream Loach		6 cm	18–24°	6–7.5	Intermediate	Peaceful
Chinese Neon Golden Stripe Shark		7 cm	23–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Chocolate Bleheri Channa		12 cm	20–28°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Chocolate Gourami		6 cm	25–28°	4–6	Intermediate – Advanced	Semi-Aggressive
Chocolate Neon Tetra		4 cm	22–26°	5–7	Beginner	Peaceful
Christys Killifish		6 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Clouded Archerfish		15 cm	25–28°	6.5–8	Beginner – Intermediate	Peaceful
Clown Barb		15 cm	26–27°	6.5–7	Intermediate	Peaceful
Clown Catfish		13 cm	23–26°	6.5–7.5	Intermediate	Peaceful
Clown Featherback Knifefish		100 cm	24–29°	6–8	Advanced	Peaceful
Clown Killifish		3.5 cm	20–26°	4–7	Beginner – Intermediate	Peaceful
Clown Loach		30.5 cm	25–30°	6–7.5	Advanced	Peaceful
Clown Squeaker		32 cm	22–27°	6–8	Intermediate	Peaceful
Cobalt Blue Goby		5 cm	20–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Cochus Blue Tetra		5.5 cm	21–26°	6–7.5	Beginner	Peaceful
Cockatoo Dwarf Cichlid		10 cm	24–27°	6–8	Intermediate	Peaceful
Coffee Bean Tetra		4 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Colombian Gold Tetra		2.5 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Colombian Redfin Tetra		6.5 cm	23–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Colossus Corydoras		7 cm	20–26°	5.5–7.5	Intermediate	Peaceful
Common Hatchetfish		6.5 cm	22–27°	6–7	Beginner – Intermediate	Peaceful
Common Pleco		50 cm	23–28°	6–7.5	Advanced	Semi-Aggressive
Congo Ctenopoma		6.5 cm	22–27°	5.5–7.5	Intermediate	Peaceful
Congo Tetra		8.5 cm	24–27°	6.2–7.2	Beginner – Intermediate	Peaceful
Convict Cichlid		15 cm	26–28°	6–8	Intermediate	Aggressive
Copei Tetra		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Coral Red Pencilfish		3.5 cm	24–28°	4–7	Beginner – Intermediate	Peaceful
Costello Tetra		4 cm	23–26°	6–7	Beginner – Intermediate	Peaceful
Cow River Loach		5 cm	21–26°	7–8	Intermediate	Peaceful
Cowboy Whiptail Catfish		20 cm	24–28°	6–7.5	Beginner – Intermediate	Peaceful
Crystal Red Tetra		2.5 cm	22–26°	5–7	Beginner – Intermediate	Peaceful
Crystalline Rosy Tetra		4 cm	22–25°	6–7	Beginner – Intermediate	Peaceful
Cuckoo Catfish		27.5 cm	23–27°	7.5–8.5	Beginner – Intermediate	Peaceful
Curmuca Barb		12 cm	20–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Cutter’s Cichlid	Cryptoheros cutteri	12.7 cm	23.9–26.7°	7–7.5	Moderate	Semi-Aggressive
Daisys Blue Ricefish		3 cm	22–28°	6–7.5	Beginner – Intermediate	Peaceful
Dawn Tetra		4.5 cm	22–27°	5.5–7.5	Intermediate	Semi-Aggressive
Deepwater Creek Rainbowfish		12 cm	20–30°	6–8	Beginner – Intermediate	Peaceful
Delphax Corydoras		6 cm	21–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Demasoni Cichlid		10 cm	24–28°	7.5–8.5	Intermediate – Advanced	Aggressive
Demon Eartheater		25 cm	23–28°	6–8	Intermediate	Peaceful
Denison Barb		11 cm	18–27°	6.5–8	Beginner	Peaceful
Desana Corydoras		6.5 cm	22–26°	6–7.5	Intermediate – Advanced	Peaceful
Desert Rainbowfish		10 cm	24–28°	6.5–8	Beginner – Intermediate	Peaceful
Deze Chinese Sucker		5.5 cm	20–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Diamond Tetra		6 cm	23–27°	5.5–7.5	Beginner	Peaceful
Domino Tetra		2.5 cm	22–25°	5.5–7.5	Intermediate	Peaceful
Double Full Red Agassizi Cichlid	Apistogramma agassizi	7.6 cm	22.2–30°	6–7	Moderate	Semi-Aggressive
Drape Fin Barb		5 cm	22–27°	6.5–7.5	Intermediate	Peaceful
Duplicate Corydoras		5 cm	20–26°	4–7	Intermediate	Peaceful
Dusky Millions Fish		6 cm	17–22°	6–8	Intermediate – Advanced	Peaceful
Dwarf Chain Loach		6.5 cm	22–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Dwarf Ctenopoma		7 cm	17–23°	6–7.5	Beginner – Intermediate	Peaceful
Dwarf Ember Barbs		1.8 cm	22–26°	6–7	Intermediate – Advanced	Peaceful
Dwarf Flag Cichlid		7 cm	22–26°	4.5–7.5	Intermediate	Semi-Aggressive
Dwarf Halfbeak		7 cm	24–28°	6.5–8	Beginner – Intermediate	Peaceful
Dwarf Neon Rainbowfish		6 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Dwarf Pencilfish		3.5 cm	23–26°	5.5–7.5	Beginner	Peaceful
Dwarf Pipefish		18.5 cm	24–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Dwarf Pleco		4 cm	25–29°	6.5–7.5	Beginner – Intermediate	Peaceful
Dwarf Pufferfish		3.5 cm	22–27°	6.5–7.5	Intermediate	Aggressive
Dwarf Rasbora		2.5 cm	23–26°	4–6.5	Intermediate	Peaceful
Dwarf Snakehead		28 cm	22–28°	6–8.5	Intermediate	Semi-Aggressive
Dwarf Spotted Danio		4 cm	23–27°	6.5–7	Beginner – Intermediate	Peaceful
Eastern Mosquitofish		8 cm	15–35°	6–8.5	Beginner – Intermediate	Peaceful
Eggers Killifish		5 cm	22–26°	7–8	Beginner – Intermediate	Peaceful
Eight Banded False Barb		3.5 cm	23–26°	5–7	Intermediate	Peaceful
Eilyos Tetra		3 cm	23–28°	5.5–7.5	Beginner – Intermediate	Peaceful
Electric Blue Hap		20 cm	24–28°	7.5–8.5	Intermediate	Semi-Aggressive
Electric Blue Johanni Cichlid		10 cm	23–28°	7.5–8.5	Intermediate – Advanced	Aggressive
Electric Blue Ram	Papilochromis ramirezi	6.3 cm	22.2–26.1°	6.5–7.5	Expert Only	Peaceful
Electric Yellow Cichlid		10 cm	23–26°	7.5–8.5	Beginner – Intermediate	Semi-Aggressive
Elegant Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Elegant Pencilfish		5 cm	22–28°	4.5–7	Intermediate	Peaceful
Elizabeth’s Apistogramma		5 cm	22–29°	4–6	Intermediate	Semi-Aggressive
Ellioti Cichlid	Thorichthys ellioti	15.2 cm	23.9–26.7°	6–8	Moderate	Semi-Aggressive
Ember Tetra		2.5 cm	22–28°	5–7.5	Beginner – Intermediate	Peaceful
Emerald Betta		7 cm	22–26°	5.5–7.5	Beginner – Intermediate	Semi-Aggressive
Emerald Brochis Corydoras		9 cm	20–27°	5–8	Beginner – Intermediate	Peaceful
Emerald Dwarf Danio		4 cm	20–25°	7.2–8.2	Beginner – Intermediate	Peaceful
Emerald Eye Rasbora		3.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Emperor Loach		15 cm	23–28°	6–7.5	Beginner – Intermediate	Peaceful
Emperor Tetra		4.5 cm	22–26°	5–7.5	Beginner	Peaceful
Empire Gudgeon		12 cm	20–35°	5–8	Beginner – Intermediate	Peaceful
Ethereal Danio		1.4 cm	22–30°	6.5–7.5	Beginner – Intermediate	Peaceful
Eurasian Minnow		10 cm	11–20°	6.5–8	Beginner – Intermediate	Peaceful
Eureka Red Peacock Cichlid		15 cm	23–28°	7.5–8.5	Intermediate	Semi-Aggressive
European Bitterling		10 cm	12–21°	7–7.5	Beginner – Intermediate	Peaceful
European Bullhead Goby		10 cm	2–20°	6.5–8	Beginner – Intermediate	Peaceful
Eversi Corydoras		5.5 cm	21–25°	6–7.5	Beginner	Peaceful
Exclamation Mark Tetra		3.5 cm	25–27°	6–7.5	Intermediate	Peaceful
Exclamation Point Rasbora		2 cm	24–27°	6–7	Beginner – Intermediate	Peaceful
Exquisite Rainbowfish		9 cm	24–30°	6–7.5	Beginner – Intermediate	Peaceful
Fahaka Pufferfish		45 cm	22–26°	6.5–7.5	Advanced	Aggressive
Fairy Cichlid		9 cm	23–26°	7–8	Beginner – Intermediate	Semi-Aggressive
Fairy Corydoras		5 cm	21.1–23.9°	6–8	Beginner – Intermediate	Peaceful
False Bandit Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
False Giant Danio		8 cm	22–27°	6–8	Beginner – Intermediate	Semi-Aggressive
False Green Terror		30 cm	20–24°	6.5–8	Intermediate – Advanced	Aggressive
False Network Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
False Siamese Algae Eater		15 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
False Tiger Knifefish		20 cm	24–28°	6–7.5	Intermediate	Semi-Aggressive
Featherfin Catfish		30 cm	22–27°	6–7.5	Intermediate	Peaceful
Featherfin Pearlfish		6 cm	22–25°	6–7.5	Intermediate	Peaceful
Featherfin Tetra		5 cm	23–28°	5.5–7.5	Beginner – Intermediate	Peaceful
Fieryblack Shiner		11 cm	18–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Figure 8 Puffer	Tetraodon biocellatus	7.6 cm	23.9–27.8°	7–8	Moderate	Aggressive
Figure Eight Pufferfish		8 cm	22–26°	6.5–7.5	Intermediate – Advanced	Semi-Aggressive
Filament Tetra		15 cm	24–28°	6–7.5	Beginner – Intermediate	Peaceful
Fire Ant Tetra		2 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Fire Bar Danio		5 cm	20–26°	6–7	Beginner – Intermediate	Peaceful
Fire Eel		100 cm	24–28°	6–8	Intermediate – Advanced	Peaceful
Fire Green Tetra		4.5 cm	20–26°	6.5–7.5	Beginner	Peaceful
Fire Rasbora		4 cm	24–28°	5.5–7	Beginner – Intermediate	Peaceful
Fire Red Licorice Gourami		3 cm	25–28°	5.5–7	Intermediate	Peaceful
Firefly Betta		5 cm	22–28°	5.5–6.5	Intermediate	Peaceful
Firehead Tetra		5 cm	24–28°	6–7	Intermediate	Peaceful
Fireline Danio		6 cm	20–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Firemouth Cichlid	Thorichthys meeki	15.2 cm	21.1–23.9°	6–7.5	Moderate	Semi-Aggressive
Firemouth Cichlid		15 cm	23–30°	6.5–8	Beginner – Intermediate	Semi-Aggressive
Flabellicauda Apistogramma		7 cm	22–28°	4.5–7.5	Intermediate	Semi-Aggressive
Flag Cichlid		15 cm	22–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Flag Tailed Panda Corydoras		5 cm	20–25°	5.5–7.5	Beginner – Intermediate	Peaceful
Flag Tetra		3.5 cm	23–28°	5.5–7.5	Intermediate	Peaceful
Flagtail Catfish		13 cm	22–27°	6–8	Beginner – Intermediate	Peaceful
Flagtail Corydoras		7 cm	21–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Flame Tetra		3 cm	22–27°	5.5–7.5	Beginner	Peaceful
Flameback Bleeding Heart Tetra		6 cm	20–27°	4–7	Beginner – Intermediate	Peaceful
Flash Plecostomus		12 cm	24–30°	6–7.5	Intermediate	Peaceful
Foersch’s Betta		6 cm	22–28°	4–6	Intermediate	Peaceful
Forest Snakehead		45 cm	24–28°	5.5–7	Intermediate – Advanced	Aggressive
Forktail Blue Eye Rainbowfish		5.5 cm	23–26°	6–8	Beginner	Peaceful
Four-banded Tigerfish		30 cm	20–28°	7.5–9	Intermediate – Advanced	Semi-Aggressive
Frail Gourami		10 cm	15–25°	5–7.5	Advanced	Aggressive
Frankei Tetra		4.5 cm	22–27°	3.5–5	Intermediate	Peaceful
Frontosa Cichlid		35 cm	23–27°	8–9	Intermediate	Peaceful
Fulleri Corydoras		7.5 cm	22–26°	6.5–8	Beginner – Intermediate	Peaceful
Gabon Jewelfish		5 cm	25–35°	5.5–6.5	Beginner – Intermediate	Peaceful
Gabon Killifish		5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Galaxy Loach		6 cm	18–25°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Galaxy Plecostomus L029		25 cm	22–26°	5.5–7	Beginner – Intermediate	Peaceful
Garnet Minnow		5 cm	18–22°	7.5–8	Beginner – Intermediate	Peaceful
Gary Lange’s Rainbowfish		8 cm	25–28°	7–8	Beginner – Intermediate	Peaceful
Giant Bumblebee Catfish		30 cm	24–28°	5.8–7.2	Advanced	Semi-Aggressive
Giant Chocolate Gourami		10 cm	20–25°	3.5–6.5	Intermediate – Advanced	Peaceful
Giant Danio		10 cm	22–27°	6–8	Beginner – Intermediate	Semi-Aggressive
Giant Gourami		70 cm	20–30°	6.5–8	Intermediate – Advanced	Peaceful
Giant Hatchetfish		9 cm	23–30°	6–7.5	Intermediate	Peaceful
Giant Pikehead		20 cm	22–26°	3–6	Intermediate	Peaceful
Giant Red Tail Gourami		50 cm	20–30°	6.5–8	Intermediate	Peaceful
Giant Snakehead		130 cm	20–30°	6–8	Advanced	Aggressive
Ginga Rubra Guppy		4 cm	18–29°	6.5–8.5	Beginner	Peaceful
Giraffe Cichlid		25 cm	24–28°	7.5–9	Intermediate – Advanced	Semi-Aggressive
Glass Bloodfin Tetra		6 cm	22–27°	6–7.5	Beginner	Peaceful
Glass Catfish		15 cm	23–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Glass Knifefish		45 cm	20–30°	6–7	Intermediate	Peaceful
Glowlight Danio		5.5 cm	17–23°	6–8	Beginner	Peaceful
Glowlight Rasbora		3 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Glowlight Tetra		5 cm	23–28°	5.5–7.5	Beginner – Intermediate	Peaceful
Gold Angel Veil Ram	Microgeophagus ramirezi	7.6 cm	25–27.8°	5–7	Expert Only	Peaceful
Gold Barb		7.5 cm	17–23°	6–8	Beginner – Intermediate	Peaceful
Gold Gourami		12 cm	22–27°	6–8.5	Beginner – Intermediate	Semi-Aggressive
Gold Nasuta Cichlid		20 cm	23–27°	7.5–9	Intermediate	Peaceful
Gold Net Hillstream Loach		5.5 cm	20–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Gold Nugget Plecostomus		22.5 cm	25–30°	6–7.5	Intermediate – Advanced	Peaceful
Gold Ring Danio		3 cm	17–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Gold Severum	Heros severus	20.3 cm	22.8–25°	6–7.2	Moderate	Semi-Aggressive
Gold Shoulder Rosy Tetra		4 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Gold Spot Halfbeak		5.5 cm	24–28°	6–6.5	Beginner – Intermediate	Peaceful
Gold Spot Plecostomus		40 cm	24–29°	6.5–8	Intermediate – Advanced	Peaceful
Gold Stripe Tiger Panaque		8 cm	24–30°	6–7.5	Beginner – Intermediate	Peaceful
Gold Striped Danio		7.5 cm	22–25°	6–7	Beginner – Intermediate	Peaceful
Gold Tetra		4 cm	23–27°	5.5–7.5	Intermediate – Advanced	Peaceful
Golden Dwarf Barb		5 cm	20–25°	5.5–6.5	Intermediate	Peaceful
Golden Malili Goby		5 cm	25–27°	7–8	Beginner – Intermediate	Peaceful
Golden Mascara Tetra		10 cm	22–26°	5.5–7.5	Intermediate	Peaceful
Golden Mbuna Cichlid		13 cm	23–28°	7.5–8.5	Intermediate – Advanced	Aggressive
Golden Pencilfish		4 cm	20–26°	5.5–8	Beginner – Intermediate	Peaceful
Golden Pufferfish		30 cm	24–28°	6.5–7.5	Intermediate – Advanced	Aggressive
Golden Skiffia		4.5 cm	21–27°	7–8.5	Beginner	Peaceful
Golden Tetra		3.5 cm	23–27°	6–7	Beginner	Peaceful
Golden Thunder Royal Plecostomus		40 cm	25–29°	5.5–7	Intermediate	Peaceful
Golden Wonder Panchax		10 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Golden Zebra Loach		12.5 cm	24–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Golden-red Stiphodon		4.5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Goldspotted Tetra		3.5 cm	23–28°	6–8	Beginner – Intermediate	Peaceful
Graceful Rasbora		5.5 cm	21–26°	4–7	Beginner – Intermediate	Peaceful
Green Dwarf Distichodus		7 cm	24–28°	4–5	Intermediate	Peaceful
Green Neon Tetra		2.5 cm	23–28°	4.5–6.5	Beginner – Intermediate	Peaceful
Green Phantom Plecostomus		15 cm	25–30°	5.5–7.5	Advanced	Peaceful
Green Royal Plecostomus L418		45 cm	22–30°	6.5–7.5	Intermediate – Advanced	Peaceful
Green Spotted Pufferfish		15 cm	25–27°	7.5–8.2	Intermediate – Advanced	Aggressive
Green Terror	Aequidens rivulatus	20.3 cm	22.2–26.7°	6.5–8	Moderate	Semi-Aggressive
Green Texas Cichlid	Herichthys carpinte	30.5 cm	23.9–25.6°	6.9–7.1	Moderate	Semi-Aggressive
Green Tiger Loach		25 cm	25–30°	6–7.5	Intermediate	Semi-Aggressive
Greenstripe Barb		5 cm	20–24°	6–7.5	Beginner – Intermediate	Peaceful
Guama Guppy		2.5 cm	24–28°	6–7.5	Beginner	Peaceful
Guapore Corydoras		4.5 cm	22–27°	5–7	Beginner – Intermediate	Peaceful
Guaramiranga Corydoras		4 cm	21–25°	6–7.5	Beginner – Intermediate	Peaceful
Harlequin Rasbora		5 cm	22–28°	6–7	Beginner – Intermediate	Peaceful
Head and Taillight Tetra		5 cm	23–27°	5.5–7.5	Beginner	Peaceful
Highfin Glassy Perchlet		3 cm	16–30°	6.5–8	Beginner – Intermediate	Peaceful
Hikari Danio		5 cm	17–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Hockeystick Pencilfish		5 cm	22–27°	4.5–7.5	Beginner	Peaceful
Hoigne’s Dwarf Cichlid		6 cm	23–29°	5–7	Intermediate	Semi-Aggressive
Honey Blue Eye Rainbowfish		3.5 cm	22–27°	4.5–7.5	Beginner	Peaceful
Horseface Loach		25 cm	15–23°	6–8	Intermediate	Peaceful
Horsemans Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Hovering Zebra Loach		3.5 cm	25–27°	6–7.5	Beginner – Intermediate	Peaceful
Huascar Apistogramma		7.5 cm	22–29°	4–6.5	Intermediate	Semi-Aggressive
Hummingbird Tetra		2 cm	20–27°	4–7	Intermediate	Peaceful
Humpbacked Limia		6 cm	22–26°	7–8	Intermediate – Advanced	Peaceful
Humphead Glassfish		10 cm	23–27°	7–7.5	Beginner – Intermediate	Peaceful
Imitator Corydoras		6.5 cm	20–25°	4–7	Beginner – Intermediate	Peaceful
Imperial Tetra		6 cm	21–26°	6–8	Beginner – Intermediate	Peaceful
Incolicana Cory		8 cm	20–26°	4–7	Beginner – Intermediate	Peaceful
Indian Glass Fish		8 cm	20–30°	6.5–7.5	Beginner – Intermediate	Peaceful
Indian Hifin Barb		4.5 cm	23–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Interrupted Line Danio		8 cm	16–21°	6.5–7.5	Beginner – Intermediate	Peaceful
Ivantsoff’s Blue-eye		3.5 cm	22–28°	6.5–7.5	Intermediate	Peaceful
Jae Barb		4 cm	21–25°	5.5–7.5	Beginner – Intermediate	Peaceful
Jaguar Cichlid		35 cm	22–27°	6–8	Intermediate – Advanced	Aggressive
Jaintia Danio		5 cm	2–23°	6–7	Beginner – Intermediate	Peaceful
Javan Red Lipstick Goby		6 cm	22–25°	6–7.5	Intermediate	Peaceful
Jellybean Tetra		3 cm	22–26°	5.5–7.5	Beginner	Peaceful
Jewel Cichlid		15 cm	22–27°	6.5–7.5	Intermediate – Advanced	Semi-Aggressive
Jeweled Splitfin		7 cm	20–27°	6.5–8	Beginner – Intermediate	Peaceful
Jiangxi Golden Loach		8 cm	20–24°	6–7.5	Beginner – Intermediate	Peaceful
Junior Tetra		4.5 cm	23–26°	6–7.5	Beginner – Intermediate	Peaceful
Kamaka Rainbowfish		7 cm	22–27°	7–8.5	Beginner – Intermediate	Peaceful
Kane’s Corydoras		5 cm	20–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Kansu Loach		18 cm	20–23°	7–8	Intermediate	Peaceful
Katibas Sucker Loach		7 cm	20–26°	6.5–7.5	Intermediate	Peaceful
Keeled Otocinclus		8 cm	20–25°	6–7.5	Beginner – Intermediate	Peaceful
Kelberi Peacock Bass		50 cm	24–29°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Keyhole Cichlid		12.5 cm	22–26°	5.5–7.5	Intermediate	Peaceful
Kitty Tetra		4 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Knight Goby		9 cm	20–26°	7–8.5	Intermediate	Peaceful
Kogal Blue Eyed Tetra		6 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Krabi Mouth Brooding Betta		5 cm	22–27°	6–7	Intermediate	Peaceful
Kribensis Cichlid		10 cm	23–26°	6–8	Beginner – Intermediate	Peaceful
Krieg’s Mini Tetra		2.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Kuhli Loach		12 cm	24–29°	5.5–7	Intermediate	Peaceful
Lake Furnusu Rainbowfish		8 cm	21–26°	7–8	Beginner – Intermediate	Peaceful
Lake Inle Danio		8 cm	20–23°	6–8	Beginner – Intermediate	Peaceful
Lake Kurumoi Rainbowfish		8 cm	24–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Lake Kutubu Rainbowfish		12.5 cm	21–26°	7–8.5	Intermediate	Peaceful
Lake Tebera Rainbowfish		10 cm	20–26°	7.5–8	Beginner	Peaceful
Lake Wanam Rainbowfish		10.5 cm	25–30°	7–8	Beginner – Intermediate	Peaceful
Lambchop Rasbora		3 cm	22–26°	6–8	Beginner	Peaceful
Laos Blackline Torpedo Loach		12.5 cm	23–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Laos Danio		6.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Lemon Cichlid		10 cm	22–27°	7.5–9	Intermediate – Advanced	Semi-Aggressive
Lemon Fin Barb		45 cm	20–26°	6–8	Beginner – Intermediate	Peaceful
Lemon Oscar	Astronotus ocellatus	30.5 cm	22.2–25°	6–8	Difficult	Semi-Aggressive
Lemon Tetra		5 cm	21–26°	6–7.5	Beginner	Peaceful
Lemon White Cloud Mountain Minnow		3.5 cm	18–22°	6–7.5	Beginner	Peaceful
Leopard Bush Fish		15 cm	20–25°	5.5–7.5	Beginner – Intermediate	Semi-Aggressive
Leopard Cactus Plecostomus		35 cm	25–29°	6–7.5	Intermediate	Peaceful
Leopard Corydoras		7 cm	20–26°	6–7.5	Beginner	Peaceful
Leopard Danio		8 cm	18–26°	6.5–7.5	Beginner	Peaceful
Leopard Frog Plecostomus		10 cm	24–30°	6–7.5	Beginner – Intermediate	Peaceful
Leopard Kuhli Loach		8 cm	22–25°	5.5–6.5	Intermediate	Peaceful
Leopard Sailfin Plecostomus		50 cm	22–30°	6.5–8	Beginner – Intermediate	Peaceful
Leopold’s Angelfish		10 cm	22–29°	5–7	Intermediate – Advanced	Peaceful
Liberty Molly		7.5 cm	22–26°	6.5–8	Beginner – Intermediate	Semi-Aggressive
Licorice Gourami		4 cm	21–27°	3.5–6.5	Intermediate	Peaceful
Lined Barb		6 cm	20–26°	4–7	Beginner – Intermediate	Peaceful
Lipstick Barb		4 cm	20–25°	6.5–7.5	Beginner – Intermediate	Peaceful
Lipstick Tetra		6 cm	23–26°	6–7.5	Beginner – Intermediate	Peaceful
Lizard Goby		7 cm	10–25°	6–8	Beginner – Intermediate	Peaceful
Long Finned Tetra		12.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Longnose Peppermint Otocinclus		2.5 cm	24–27°	6–7.5	Beginner – Intermediate	Peaceful
Longsnout distichodus		40 cm	22–26°	6.5–7.5	Intermediate – Advanced	Semi-Aggressive
Loreto Tetra		3 cm	21–27°	5–7	Beginner – Intermediate	Peaceful
Lumbantobing Goby		4 cm	22–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Lyretail Killifish		6 cm	20–31°	5.5–7	Beginner – Intermediate	Peaceful
Macaw Nicaraguense Cichlid	Hypsophrys nicaraguensis	25.4 cm	24.4–27.8°	7–8	Moderate	Semi-Aggressive
Macmasters Apistogramma		7 cm	23–29°	5.5–7	Intermediate	Peaceful
Madagascar Rainbowfish		15 cm	22–25°	6.5–8.5	Intermediate	Peaceful
Magnificent Killifish		5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Mahecola Barb		7.5 cm	17–23°	6–7.5	Beginner – Intermediate	Peaceful
Malabar Danio		10 cm	17–25°	6–8	Beginner – Intermediate	Peaceful
Malayan Bumblebee Catfish		17 cm	20–25°	6–7.5	Beginner – Intermediate	Peaceful
Mamou Killifish		5.5 cm	21–25°	5–7	Intermediate	Peaceful
Managuense Cichlid	Parachromis managuense	45.7 cm	22.8–25°	7–7.8	Moderate	Aggressive
Marble Hatchetfish		4.5 cm	24–28°	6–7	Beginner – Intermediate	Peaceful
Marble Knifefish		25 cm	24–28°	6–7	Intermediate	Peaceful
Marble Sturisoma Whiptail Catfish		20 cm	20–26°	6–7.5	Intermediate	Peaceful
Marbled Hatchetfish		4.5 cm	24–28°	6–7	Beginner – Intermediate	Peaceful
Marbled Headstander		14 cm	23–28°	6–7.5	Intermediate	Peaceful
Marbled Sleeper Goby		65 cm	22–29°	6.5–8	Intermediate	Semi-Aggressive
Marliers Julie		15 cm	22–26°	7.5–8.5	Beginner – Intermediate	Semi-Aggressive
Mascara Barb		12 cm	18–27°	6–8	Beginner – Intermediate	Peaceful
Mbu Pufferfish		75 cm	23–26°	7–8	Intermediate – Advanced	Aggressive
Megaptera Apistogramma		7 cm	22–29°	4.5–6.5	Beginner – Intermediate	Semi-Aggressive
Megasema Eartheater		18 cm	22–30°	5.5–7.5	Intermediate	Peaceful
Meghalaya Danio		10 cm	17–26°	6–8	Beginner – Intermediate	Peaceful
Meghalaya Leopard Snakehead		15 cm	20–28°	6–8	Intermediate – Advanced	Aggressive
Melanzona Guppy		5 cm	23–27°	7–8	Intermediate	Peaceful
Melon Barb		6 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Mendezi Dwarf Cichlid		7 cm	23–29°	4–6	Beginner – Intermediate	Peaceful
Merry Widow Livebearer		7 cm	23–26°	6–8	Beginner	Peaceful
Mexican Tetra		12 cm	20–25°	6.5–8	Beginner – Intermediate	Peaceful
Mimicry Otocinclus		4.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Mini Rosy Tetra		3 cm	23–28°	6–7	Beginner – Intermediate	Peaceful
Miniature Pencilfish		2 cm	22–28°	5–7	Beginner – Intermediate	Peaceful
Mirabilis Eartheater		20 cm	22–30°	5.5–7.5	Intermediate	Peaceful
Molly		12 cm	22–26°	6.5–8.5	Beginner – Intermediate	Peaceful
Monica’s Tetra		5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Monkey Goby		20 cm	4–20°	7–8.5	Beginner – Intermediate	Peaceful
Mono Argentus	Monodactylus argenteus	25.4 cm	22.2–25.6°	8.1–8.4	Moderate	Semi-Aggressive
Montags Tetra		3 cm	22–27°	5–7	Beginner – Intermediate	Peaceful
Moonlight Gourami		15 cm	22–30°	6–7.5	Beginner – Intermediate	Peaceful
Morse Knifefish		21.5 cm	25–28°	6–7	Intermediate	Peaceful
Motoro Stingray		90 cm	24–26°	6–7.5	Intermediate – Advanced	Peaceful
Mottled Ctenopoma		12 cm	23–27°	6–7.5	Beginner – Intermediate	Peaceful
Mountain Redbelly Dace		7 cm	15–25°	6.5–7.5	Beginner – Intermediate	Peaceful
Mousetail Knifefish		15 cm	25–28°	6–7	Intermediate	Peaceful
Moustached Danio		12 cm	16–24°	6.5–7.5	Beginner	Peaceful
Murray River Rainbowfish		10 cm	20–25°	6.5–8.5	Beginner – Intermediate	Peaceful
Myer’s Hillstream Loach		6 cm	20–24°	6–7.5	Beginner – Intermediate	Peaceful
Napo Corydoras		5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Narayan Barb		7 cm	20–26°	6–7.5	Beginner – Intermediate	Peaceful
Nego Dagua Tetra		3 cm	23–27°	5.5–7	Beginner – Intermediate	Peaceful
Neon Blue Rasbora		2 cm	22–26°	5–7	Intermediate	Peaceful
Neon Borneo Sucker		10 cm	18–24°	6–8	Beginner – Intermediate	Peaceful
Neon Green Rasbora		2 cm	22–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Neon Red Rasbora		2 cm	22–26°	5–6.5	Beginner – Intermediate	Peaceful
Neon Tetra		4 cm	21–26°	5–7	Beginner – Intermediate	Peaceful
Netted Leporinus		15 cm	20–27°	6–8	Intermediate – Advanced	Peaceful
Nigeria Red Kribensis Cichlid		9 cm	22–26°	5–7.5	Beginner – Intermediate	Peaceful
Nijssens Corydoras		5 cm	22–25°	5–7	Beginner – Intermediate	Peaceful
Ninja Woodcat		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Nkhomo-benga Peacock Cichlid		12 cm	24–28°	7.5–8.5	Beginner – Intermediate	Peaceful
Normans Lampeye Killifish		4 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Northern Mountain Swordtail		6 cm	22–26°	7–8	Beginner – Intermediate	Peaceful
Ocellated Snakehead		40 cm	22–28°	5.5–7	Advanced	Semi-Aggressive
Ocellifer Catfish		20 cm	23–28°	6–8	Intermediate	Peaceful
Odessa Barb		7 cm	24–26°	6–7.5	Beginner	Peaceful
Omba Rainbowfish		12 cm	25–28°	7–8	Beginner – Intermediate	Peaceful
One-Lined Pencilfish		7 cm	23–28°	4–7	Beginner – Intermediate	Peaceful
Onesided Livebearer		12 cm	18–25°	7–8	Beginner – Intermediate	Peaceful
Onespot Squeaker		25 cm	22–26°	6–7.5	Intermediate	Peaceful
Orange Spotted Snakehead		40 cm	10–28°	6–8	Intermediate – Advanced	Aggressive
Orange Striped Catfish		16 cm	23–28°	6.5–8	Beginner – Intermediate	Peaceful
Orinoco Peacock Bass		60 cm	26–29°	5–6.5	Intermediate – Advanced	Aggressive
Ornate Bichir		60 cm	25–28°	6–8	Intermediate – Advanced	Peaceful
Ornate Borneo Sucker		7 cm	20–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Ornate Ctenopoma		8 cm	20–26°	5.5–7.5	Intermediate	Peaceful
Ornate Rainbowfish		8 cm	20–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Ornate Tetra		5 cm	22–27°	6.5–8	Intermediate	Peaceful
Ortegai Apistogramma		8 cm	22–28°	5–7	Intermediate	Semi-Aggressive
Oscar Fish		40 cm	24–28°	6–7.5	Advanced	Semi-Aggressive
Otocinclus		4 cm	21–26°	5.5–7.5	Intermediate	Peaceful
Pacific Blue Eye Rainbowfish		7 cm	23–26°	6.5–7.5	Intermediate	Peaceful
Palauan Riffle Dwarf Goby		5 cm	22–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Palespotted Corydoras		6 cm	22–26°	5.5–7	Beginner – Intermediate	Peaceful
Panda Corydoras		7 cm	20–25°	6–8	Beginner	Peaceful
Panda Dwarf Cichlid		8 cm	23–29°	5–7	Intermediate	Peaceful
Panda Garra		9 cm	20–26°	6.5–7.5	Intermediate	Peaceful
Panda Loach		6 cm	20–23°	6.5–7.5	Intermediate – Advanced	Peaceful
Panda Uaru Cichlid		25 cm	27–30°	4.5–6.5	Intermediate – Advanced	Peaceful
Pantanalensis Corydoras		8 cm	25–28°	6–7.5	Beginner – Intermediate	Peaceful
Pantano Cichlid		20 cm	24–30°	7–8.5	Intermediate – Advanced	Semi-Aggressive
Panther Danio		4.5 cm	22–26°	6.5–8.5	Beginner – Intermediate	Peaceful
Papa Lyretail Plecostomus		40 cm	24–29°	6–7.5	Intermediate	Peaceful
Paradise Fish		10 cm	22–26°	6–8	Intermediate	Semi-Aggressive
Parkinsons Rainbowfish		15 cm	21–26°	6.5–8.5	Beginner – Intermediate	Peaceful
Parrot Cichlid		20 cm	24–26°	6.5–7.5	Intermediate	Semi-Aggressive
Pastaza Corydoras		6 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Pastel Lily Tetra		6 cm	23–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Peacock Gudgeon		7.5 cm	22–26°	6–7.8	Beginner – Intermediate	Peaceful
Peacock Snakehead		25 cm	20–25°	6.5–8	Intermediate – Advanced	Aggressive
Pearl Cichlid		25 cm	18–28°	6–8	Intermediate – Advanced	Semi-Aggressive
Pearl Danio		6.5 cm	15–25°	6–8	Beginner	Peaceful
Pearl Gourami		13 cm	22–28°	6–7.5	Beginner – Intermediate	Peaceful
Pectoral Fin Spot Ricefish		2.5 cm	22–28°	6.5–8	Beginner – Intermediate	Peaceful
Penguin Tetra		6 cm	22–27°	6–8	Beginner – Intermediate	Peaceful
Pentazona Barb		8.5 cm	23–28°	4.5–6.5	Beginner – Intermediate	Peaceful
Peppered Corydoras		6 cm	17–26°	6–8	Beginner – Intermediate	Peaceful
Peppermint Armour Goby		5 cm	22–26°	6–7.5	Intermediate	Peaceful
Peruvian Tetra		4 cm	24–26°	6–7	Beginner – Intermediate	Peaceful
Petan Molly		13 cm	24–28°	7.5–8.5	Beginner – Intermediate	Peaceful
Peter’s Elephant Nose Fish		23 cm	23–28°	6–7.5	Intermediate – Advanced	Peaceful
Peugeot Tetra		4 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Phoenix Rasbora		2 cm	20–27°	4–7	Beginner – Intermediate	Peaceful
Phoenix Tetra		4 cm	23–25°	6.5–7.5	Beginner – Intermediate	Peaceful
Picta Swamp Guppy		3 cm	26–27°	7.5–8.5	Intermediate	Peaceful
Pictus Catfish		12 cm	22–26°	6–7.5	Intermediate	Peaceful
Pingi Hillstream Loach		7 cm	18–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Pink Convict Cichlid	Archocentrus nigrofasciatus	12.7 cm	22.2–25.6°	6.5–7.5	Difficult	Aggressive
Pink Kissing Gourami		30 cm	22–28°	6–8	Intermediate	Semi-Aggressive
Pink Lemon Tetra		4 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Pink-tail Chalceus		30 cm	23–28°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Platinum Alligator Gar		300 cm	15–31°	6–8	Intermediate – Advanced	Aggressive
Platinum Medaka Ricefish		4 cm	18–24°	6.5–8.5	Beginner – Intermediate	Peaceful
Platy		7.5 cm	18–25°	7–8	Beginner	Peaceful
Poliaks Killifish		6 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Polka Dot Loach		12 cm	23–27°	6.5–7	Intermediate	Semi-Aggressive
Polka Dot Synodontis		25 cm	24–28°	6–8	Intermediate	Peaceful
Polystictus Corydoras		3 cm	22–28°	6–8	Beginner – Intermediate	Peaceful
Popondetta Blue Eye Rainbowfish		5 cm	23–27°	6–8	Beginner – Intermediate	Peaceful
Powder Blue Dwarf Gourami		7.5 cm	22–27°	6–8	Beginner – Intermediate	Peaceful
Pretty Tetra		4.5 cm	23–26°	5.5–7	Beginner – Intermediate	Peaceful
Pulcher Corydoras		7 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Pulcher Mystus		12 cm	23–25°	6–7	Beginner – Intermediate	Peaceful
Purple Pencilfish		4 cm	23–27°	4–7	Beginner – Intermediate	Peaceful
Purple Sailfin Gudgeon		9 cm	10–30°	6.5–7.5	Beginner – Intermediate	Peaceful
Pygmy Corydoras		3 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Pygmy Hatchetfish		2.5 cm	23–26°	4–7	Intermediate	Peaceful
Pygmy Leopard Catfish		10 cm	24–28°	7.5–8.5	Beginner – Intermediate	Peaceful
Pygmy Swordtail		4 cm	22–26°	7–8	Beginner – Intermediate	Peaceful
Raccoon Tetra		5 cm	23–27°	6–6.5	Beginner – Intermediate	Peaceful
Rainbow Cichlid	Herotilapia multispinosa	12.7 cm	22.2–25°	6.5–8	Moderate	Semi-Aggressive
Rainbow Cichlid		17 cm	22–27°	7–8	Intermediate	Semi-Aggressive
Rainbow Copella Tetra		4.5 cm	20–27°	4.5–7.5	Beginner – Intermediate	Peaceful
Rainbow Lizard Tetra		5.5 cm	22–26°	5–7	Beginner	Peaceful
Rainbow Shark		15 cm	22–27°	6.5–7.5	Beginner	Semi-Aggressive
Rainbow Shiner		8 cm	10–23°	6.5–8	Beginner – Intermediate	Peaceful
Rainbow Stiphodon Goby		5 cm	20–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Rainbow Tetra		4 cm	22–26°	5–7	Beginner – Intermediate	Peaceful
Ram Cichlid		8 cm	25–29°	5–7.5	Intermediate	Peaceful
Red Banded Leporinus		12 cm	24–27°	5.5–7.5	Intermediate – Advanced	Peaceful
Red Base Tetra		4.5 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Red Bellied Piranha		35 cm	24–28°	5.5–7.5	Intermediate – Advanced	Aggressive
Red Belted Goby		5 cm	21–26°	6–7.5	Beginner – Intermediate	Peaceful
Red Cheek Krobia		12 cm	24–28°	5–7.5	Intermediate	Peaceful
Red Chinned Panchax		5 cm	21–26°	6–7	Beginner – Intermediate	Peaceful
Red Devil	Amphilophus labiatus	30.5 cm	22.2–25°	6.8–7.2	Moderate	Aggressive
Red Devil Cichlid		38 cm	23–26°	6.5–7.5	Intermediate – Advanced	Aggressive
Red Devil Tetra		3.5 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Red Dragon Flower Horn Cichlid	Cichlasoma sp.	25.4 cm	22.2–26.7°	6.5–8	Easy	Semi-Aggressive
Red Eye Red Line Tetra		5 cm	24–28°	6–7	Beginner – Intermediate	Peaceful
Red Eye Tetra		7 cm	22–26°	6–7.5	Beginner	Peaceful
Red Fin Banded Pencilfish		3 cm	22–28°	4–7.5	Beginner – Intermediate	Peaceful
Red Fin Flag Tetra		6 cm	22–28°	5–8	Beginner – Intermediate	Peaceful
Red Finned Butterfly Loach		5 cm	24–28°	7–8	Beginner – Intermediate	Peaceful
Red Finned Danio		5 cm	15–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Red Garra		14.1 cm	16–24°	6.2–8	Intermediate	Peaceful
Red Hook Silver Dollar		40 cm	23–27°	6–7	Intermediate	Peaceful
Red Jewel Cichlid	Hemichromis bimaculatus	12.7 cm	22.2–25.6°	6.5–7.5	Moderate	Aggressive
Red Laser Rainbowfish		5 cm	27–29°	6.5–8	Intermediate	Peaceful
Red Laser Tetra		6 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Red Line Rasbora		6 cm	20–26°	5–7.5	Beginner – Intermediate	Peaceful
Red Line Tetra		3 cm	23–27°	5–7	Beginner – Intermediate	Peaceful
Red Lined Halfbeak		6 cm	24–28°	6–8	Intermediate	Peaceful
Red Lipstick Goby		5 cm	22–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Red Neon Blue Eye Rainbowfish		4 cm	17–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Red Phantom Tetra		4 cm	20–22°	4.5–7.5	Beginner – Intermediate	Peaceful
Red Rainbowfish		15 cm	22–27°	7–8.5	Beginner – Intermediate	Peaceful
Red Robin Gourami		5 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Red Shiner		9 cm	10–22°	7–7.5	Beginner – Intermediate	Peaceful
Red Skirt Betta		4 cm	22–26°	4.5–7	Beginner – Intermediate	Peaceful
Red Spotted Goby		5 cm	18–24°	6–8	Beginner – Intermediate	Peaceful
Red Spotted Splash Tetra		5 cm	20–28°	4–7	Beginner – Intermediate	Peaceful
Red Spotted Splashing Characin		6 cm	20–27°	4–7.5	Beginner – Intermediate	Peaceful
Red Tail Hemiodus Tetra		15 cm	22–26°	5.5–7.5	Intermediate	Peaceful
Red Tail Zebra Loach		8 cm	18–25°	6–7.5	Beginner – Intermediate	Peaceful
Red Tailed Black Shark		16 cm	22–26°	6.5–7.5	Beginner	Aggressive
Red Whiptail Catfish		11 cm	24–29°	6–7.5	Beginner – Intermediate	Peaceful
Red-Tailed Squirrel Loach		10 cm	21–26°	6.5–8	Intermediate	Peaceful
Red-fin Thresher Plecostomus L116		40 cm	25–29°	6–7.5	Beginner – Intermediate	Peaceful
Redbreasted Acara		6 cm	20–27°	5–7.5	Beginner – Intermediate	Peaceful
Redfin Congo Tetra		8 cm	21–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Redfin Dwarf Rainbowfish		7 cm	20–30°	5.5–7.5	Beginner – Intermediate	Peaceful
Redfin Penguin Tetra		6 cm	22–27°	5.5–8	Beginner – Intermediate	Peaceful
Redfin Tiger Loach		25 cm	21–26°	6.5–7.5	Intermediate	Semi-Aggressive
Redline Apistogramma		7.5 cm	22–28°	5.5–7	Beginner – Intermediate	Peaceful
Redlip Shiner		7 cm	12–17°	6.5–7.5	Beginner – Intermediate	Peaceful
Redmouth Pencilfish		4 cm	23–27°	5.5–7	Beginner – Intermediate	Peaceful
Redside Dace		12 cm	13–18°	6.5–7.5	Beginner – Intermediate	Peaceful
Redstriped Eartheater Cichlid	Gymnogeophagus surinamensis	26.7 cm	22.2–25°	6.5–7.5	Moderate	Semi-Aggressive
Redtail Splitfin Goodeid		5 cm	12–25°	6.5–8	Beginner – Intermediate	Semi-Aggressive
Redtail Spotted Tetra		5 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Reed Tetra		2.5 cm	23–27°	6–7.5	Beginner – Intermediate	Peaceful
Reedfish		25 cm	26–30°	7–8	Intermediate – Advanced	Peaceful
Reticulated Corydoras		6 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Reticulated Hillstream Loach		7 cm	20–24°	6.5–7.5	Intermediate – Advanced	Peaceful
Rikbaktsa Corydoras		6 cm	22–26°	6–7	Intermediate	Peaceful
Rohani Barb		12 cm	18–25°	6–7.5	Beginner – Intermediate	Peaceful
Roloff’s Pygmy Barb		3 cm	23–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Rose Danio		4 cm	20–26°	6–7.5	Beginner – Intermediate	Peaceful
Rosy Barb		10 cm	17–22°	5.5–7.5	Beginner	Peaceful
Rosy Loach		3 cm	22–26°	6.5–8	Beginner – Intermediate	Peaceful
Rosy Tetra		5 cm	24–28°	5.5–7.5	Beginner – Intermediate	Peaceful
Royal Plecostomus L190		45 cm	22–30°	6.5–7.5	Intermediate – Advanced	Peaceful
Royal Whiptail Catfish		20 cm	20–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Ruby Rasbora		1 cm	26–31°	3–4	Intermediate – Advanced	Peaceful
Ruby Red Scat		38.1 cm	22.2–27.8°	7.5–8.5	Easy	Semi-Aggressive
Ruby Tetra		2.5 cm	20–27°	4.5–6.5	Intermediate	Peaceful
Rummy Nose Rasbora		3.5 cm	21–23°	6–8	Intermediate	Peaceful
Rummy-nose Tetra		5 cm	24–28°	5–7.2	Intermediate	Peaceful
Rusty Corydoras		6.5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Saddleback Loach		12.5 cm	20–25°	6–7.5	Intermediate	Peaceful
Sahul Rainbowfish		5.5 cm	22–27°	5.5–8	Beginner – Intermediate	Peaceful
Sailfin Tetra		5.5 cm	20–27°	4.5–6.5	Intermediate – Advanced	Peaceful
Salt and Pepper Corydoras		3.5 cm	20–27°	6–8	Beginner – Intermediate	Peaceful
Salvini Cichlid	Nandopsis salvini	15.2 cm	22.2–26.1°	7–8	Moderate	Aggressive
Salvini Cichlid		22 cm	22–26°	6.5–8	Intermediate – Advanced	Aggressive
Salween Rock Catfish		5 cm	20–24°	6–7.5	Beginner – Intermediate	Peaceful
Samurai Gourami		7 cm	24–28°	4–6.5	Intermediate – Advanced	Peaceful
Sand Cichlid		10 cm	26–28°	7.5–8.5	Intermediate	Semi-Aggressive
Sands Corydoras		6 cm	20–26°	5–7	Beginner – Intermediate	Peaceful
Scarlet Badis		2 cm	18–26°	6.5–8.5	Intermediate	Semi-Aggressive
Scarlet Cactus Plecostomus		40 cm	26–30°	6–7.5	Intermediate	Semi-Aggressive
Scarlet Shiner		9 cm	18–22°	6.5–7.5	Beginner – Intermediate	Peaceful
Schistura spilota		10 cm	20–26°	6–7.5	Intermediate – Advanced	Semi-Aggressive
Schlesers Longfin Killifish		5 cm	22–26°	6–7	Beginner – Intermediate	Peaceful
Schmard Tetra		5 cm	23–27°	6–7.5	Beginner – Intermediate	Peaceful
Schwartzs Corydoras		7 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Scratched Inpa Tetra		4 cm	22–26°	5.5–7	Beginner – Intermediate	Peaceful
Senegal Minnow		25 cm	22–26°	6.5–7.5	Intermediate	Peaceful
Sentani Rainbowfish		12 cm	24–29°	7–8	Beginner – Intermediate	Peaceful
Serpae Tetra		6 cm	22–26°	5–7.5	Beginner	Peaceful
Serpent Loach		6 cm	23–26°	6–7	Intermediate	Peaceful
Severum Cichlid-Heros efasciatus		30 cm	24–29°	6–7.5	Intermediate	Peaceful
Severum Cichlid-Heros severus		20 cm	24–29°	6–7.5	Intermediate	Peaceful
Sharphead Eartheater		17 cm	20–28°	5.5–7.5	Intermediate	Peaceful
Shen’s River Loach		5 cm	16–22°	6–8	Beginner – Intermediate	Peaceful
Short Ninespine Stickleback		6.5 cm	18–24°	7–7.5	Beginner – Intermediate	Peaceful
Siamese Algae Eater		15 cm	24–27°	6.5–8	Beginner – Intermediate	Peaceful
Siamese Dwarf Rasbora		2.5 cm	21–26°	5–7	Beginner – Intermediate	Peaceful
Siamese Fighting Fish		7 cm	24–27°	6.5–7.5	Beginner – Intermediate	Semi-Aggressive
Siamese Tigerfish		45 cm	22–26°	6.5–7.5	Intermediate – Advanced	Semi-Aggressive
Silver Dollar		15 cm	24–28°	6–7.5	Intermediate	Peaceful
Silver Flying Fox		13 cm	16–23°	6–7.5	Beginner – Intermediate	Peaceful
Silver Scat	Selenotoca multifasciata	38.1 cm	22.2–27.8°	7.5–8.5	Easy	Semi-Aggressive
Silvertip Tetra		5 cm	21–27°	6–8	Beginner – Intermediate	Peaceful
Silvery Black Tailed Tetra		25 cm	24–28°	6–7.5	Beginner – Intermediate	Peaceful
Six Banded Distichodus		75 cm	22–26°	6–7.5	Intermediate – Advanced	Aggressive
Six Stripes Tetra		6 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Sixray Corydoras		3 cm	22–25°	6–7.5	Beginner – Intermediate	Peaceful
Skunk Corydoras		5.5 cm	20–27°	5–7.5	Intermediate	Peaceful
Skunk Loach		10 cm	26–30°	6–8	Intermediate	Semi-Aggressive
Slant Bar Corydoras		5 cm	21–24°	6–8	Beginner – Intermediate	Peaceful
Slate Corydoras		6 cm	23–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Small Eyes Red Rasbora		3 cm	20–26°	6.5–7	Beginner – Intermediate	Peaceful
Small Scale Cyprichromis		11 cm	23–25°	8–9	Intermediate	Peaceful
Small Scaled Tetra		6 cm	18–23°	6–7	Beginner – Intermediate	Peaceful
Smudge Spot Corydoras		4 cm	22–26°	5.5–7.5	Beginner – Intermediate	Peaceful
Snakehead Betta		6.5 cm	24–28°	4–6.5	Beginner – Intermediate	Peaceful
Snakeskin Barb		5.5 cm	20–27°	4–7	Beginner – Intermediate	Peaceful
Snakeskin Gourami		22 cm	22–28°	5.5–8.5	Beginner – Intermediate	Peaceful
Snow White Cichlid		12 cm	24–28°	6.5–8.5	Beginner – Intermediate	Semi-Aggressive
Snowball Plecostomus L102		16 cm	22–30°	6–7.5	Beginner – Intermediate	Peaceful
Snyders Barb		7.5 cm	17–23°	6–8	Beginner – Intermediate	Peaceful
Southern Purple Spotted Gudgeon		14 cm	16–24°	6.5–8	Beginner – Intermediate	Peaceful
Spanner Barb		18 cm	22–28°	6–7.5	Beginner – Intermediate	Peaceful
Sparkling Gourami		4 cm	25–28°	6–7.5	Beginner – Intermediate	Peaceful
Speckled Butterfly Loach		4 cm	18–24°	6.5–8	Beginner – Intermediate	Peaceful
Spike Tailed Paradise Fish		7.5 cm	23–27°	6–7.5	Beginner – Intermediate	Peaceful
Spined Loach		13.5 cm	14–18°	7–8	Intermediate – Advanced	Peaceful
Splashing Tetra		7 cm	20–27°	4–7.5	Beginner	Peaceful
Splendid Killifish		6 cm	21–26°	6–7.5	Beginner – Intermediate	Peaceful
Splendid Loach		10 cm	26–28°	7–7.5	Beginner – Intermediate	Peaceful
Spotback Corydoras		5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Spotfin Betta		10 cm	20–26°	4.5–6.5	Intermediate – Advanced	Peaceful
Spotfin Hatchetfish		7 cm	20–27°	5–7.5	Beginner – Intermediate	Peaceful
Spotted Archerfish		40 cm	25–30°	7–8	Intermediate – Advanced	Peaceful
Spotted Blue Eye Rainbowfish		2.5 cm	22–30°	4.5–7.5	Beginner – Intermediate	Peaceful
Spotted Coolie Loach		8 cm	22–26°	4–6	Beginner – Intermediate	Peaceful
Spotted Garra		7 cm	20–26°	6–7.5	Intermediate	Peaceful
Spotted Hatchetfish		6.5 cm	22–28°	6–7.5	Beginner – Intermediate	Peaceful
Spotted Headstander		8 cm	20–27°	5–7.5	Beginner – Intermediate	Peaceful
Spotted Hoplo Catfish		15 cm	18–28°	6–8	Beginner – Intermediate	Peaceful
Spotted Leporinus		18 cm	20–27°	6–8	Intermediate – Advanced	Peaceful
Spotted Silver Dollar		16.5 cm	23–27°	6–7	Intermediate	Peaceful
Spotted Skiffia Multipunctata		6 cm	25–27°	7–8.5	Beginner	Peaceful
Spotted Sumatra Hillstream Loach		15 cm	20–24°	6.5–7.5	Beginner – Intermediate	Peaceful
Spottedsail Barb		4 cm	21–26°	6–7	Beginner – Intermediate	Peaceful
Starlight Bristlenose Plecostomus		12 cm	23–27°	5–7.5	Beginner – Intermediate	Peaceful
Steel Blue Lyretail Killifish		6 cm	22–25°	6–7.5	Beginner – Intermediate	Semi-Aggressive
Steel Blue Tetra		3 cm	23–27°	5.5–7.5	Beginner – Intermediate	Peaceful
Sterbas Corydoras		6.5 cm	21–25°	6–8	Beginner – Intermediate	Peaceful
Stoliczkae’s Barb		5 cm	23–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Stone Loach		20 cm	2–20°	6.5–8	Beginner – Intermediate	Peaceful
Strawberry Dwarf Cichlid		7.5 cm	22–29°	4–6.5	Intermediate	Semi-Aggressive
Strawberry Leporinus		20 cm	20–27°	5–7.5	Beginner – Intermediate	Peaceful
Strawberry Rasbora		2 cm	20–27°	4–7	Intermediate	Peaceful
Striped Barb		12 cm	22–25°	5–7	Beginner – Intermediate	Peaceful
Striped Headstander		20 cm	22–27°	6–7.5	Intermediate	Peaceful
Striped Leporinus		15 cm	21–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Striped Raphael Catfish		25 cm	22–30°	6–7.5	Beginner – Intermediate	Peaceful
Striped Red Eye Pufferfish		5 cm	23–27°	5–8	Intermediate	Semi-Aggressive
Sucking Loach		28 cm	25–28°	6–8.5	Beginner	Aggressive
Sumo Loach		8 cm	22–26°	6–7.5	Intermediate	Semi-Aggressive
Sun Catfish		30 cm	23–25°	6–7.5	Intermediate	Peaceful
Sunshine Plecostomus		30 cm	25–29°	6–7.5	Intermediate	Peaceful
Sveni Eartheater		25 cm	24–29°	6.5–8	Beginner – Intermediate	Semi-Aggressive
Swamp Barb		15 cm	20–25°	6–6.5	Beginner – Intermediate	Peaceful
Swamp Blue Eye Rainbowfish		3.5 cm	26–30°	6–8	Beginner – Intermediate	Peaceful
Swordtail		14 cm	22–28°	7–8	Beginner	Peaceful
Tail Spot Pygmy Corydoras		3.5 cm	20–27°	6–8	Beginner – Intermediate	Peaceful
Tailspot Ctenopoma		20 cm	20–26°	6–8	Intermediate	Semi-Aggressive
Tanganyikan Spiny Eel		45 cm	23–27°	8–9.5	Intermediate – Advanced	Peaceful
Tangerine Tetra		4 cm	22–28°	5–7.5	Beginner – Intermediate	Peaceful
Telescope Goldfish		13 cm	18–22°	6–8	Intermediate	Peaceful
Tequila Splitfin		6 cm	20–24°	7–8	Beginner – Intermediate	Peaceful
Texas Cichlid	Herichthys cynoguttatus	30.5 cm	20–23.9°	6.5–7.5	Difficult	Aggressive
Texas Cichlid		30 cm	22–27°	6.5–8	Intermediate – Advanced	Aggressive
Thick Lipped Gourami		10 cm	23–28°	6–7.5	Beginner – Intermediate	Peaceful
Thicklip Barb		150 cm	22–28°	4.5–8.5	Intermediate – Advanced	Peaceful
Threadfin Rainbowfish		4 cm	21–30°	5–8	Beginner	Peaceful
Three Beacon Plecostomus L091		25 cm	24–27°	6–7.5	Intermediate	Peaceful
Three Line Corydoras		5.5 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Three Lined Pencilfish		4 cm	23–27°	5.5–7	Beginner – Intermediate	Peaceful
Three Spot Gourami		15 cm	23–30°	5.5–8.5	Beginner – Intermediate	Peaceful
Three Spotted Dwarf Rasbora		2 cm	24–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Three Spotted Halfbeak		7 cm	24–28°	5.5–7.5	Intermediate	Peaceful
Three Striped Apistogramma		5.5 cm	20–25°	5–7	Intermediate	Semi-Aggressive
Threespot Headstander		18 cm	23–27°	6–7.5	Intermediate	Peaceful
Threespot Leporinus		40 cm	23–26°	5–8	Intermediate – Advanced	Peaceful
Ticto Barb		7 cm	18–25°	6–7.5	Beginner – Intermediate	Peaceful
Tiger Barb		7 cm	20–26°	6–8	Beginner – Intermediate	Semi-Aggressive
Tiger Butterfly Loach		5 cm	24–28°	7–8	Beginner – Intermediate	Peaceful
Tiger Dwarf Goby		2.5 cm	22–28°	7–8	Intermediate	Peaceful
Tiger Otocinclus		5 cm	21–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Tiger Shovelnose Catfish		90 cm	23–27°	6–8	Intermediate – Advanced	Semi-Aggressive
Tiger Teddy Livebearer		2.5 cm	24–28°	7–8	Beginner – Intermediate	Peaceful
Tinfoil Barb		35 cm	23–26°	6–7.5	Intermediate – Advanced	Peaceful
Toba Betta		4 cm	21–25°	5–6	Intermediate	Semi-Aggressive
Tolson’s Snakehead Gudgeon		10 cm	24–28°	6.5–7.5	Beginner – Intermediate	Peaceful
Tonkin Bitterling		12 cm	18–24°	6.5–8	Beginner – Intermediate	Peaceful
Toucan Tetra		2 cm	20–23°	4–7	Beginner – Intermediate	Peaceful
Towoetii Halfbeak		8 cm	22–25°	7–8	Beginner – Intermediate	Peaceful
Towuti Black Hi Fin Goby		8 cm	26–30°	7.5–8.5	Beginner – Intermediate	Peaceful
Transparent Blue Eye Rainbowfish		3.5 cm	23–27°	6.5–8	Beginner – Intermediate	Peaceful
Transvestite Dwarf Cichlid		7 cm	23–26°	4–7	Intermediate – Advanced	Peaceful
Tropical Carp Gudgeon		8 cm	22–28°	5–9	Beginner – Intermediate	Peaceful
True Flying Fox		15 cm	22–26°	6–7.5	Beginner – Intermediate	Peaceful
Turkana Jewel Cichlid		10 cm	22–27°	7–8	Intermediate	Peaceful
Two Banded Dwarf Cichlid		6 cm	23–27°	5–7	Intermediate	Peaceful
Twosaddle Corydoras		5.5 cm	21–25°	6–8	Beginner – Intermediate	Peaceful
Twostripe Corydoras		6 cm	22–26°	6–8	Beginner – Intermediate	Peaceful
Uaru Cichlid	Uaru amphiacanthoides	25.4 cm	23.9–28.3°	5–7	Moderate	Semi-Aggressive
Uaru Cichlid		25 cm	27–30°	6–7	Intermediate – Advanced	Peaceful
Uaupesi Apistogramma		6 cm	22–29°	4–6.5	Intermediate	Semi-Aggressive
Umbrella Apistogramma		6.5 cm	20–26°	5–8	Intermediate	Semi-Aggressive
Upside Down Catfish		10 cm	23–27°	6–7.5	Beginner – Intermediate	Peaceful
Urucu Corydoras		3 cm	23–27°	6.5–7.5	Beginner – Intermediate	Peaceful
Vampire Otocinclus		3.3 cm	22–27°	6–7.5	Beginner – Intermediate	Peaceful
Variatus Platy		7 cm	20–26°	7–8.5	Beginner	Peaceful
Vatani Rohtee		50 cm	22–26°	7–8	Beginner – Intermediate	Peaceful
Venezuelan Orange Corydoras		5.5 cm	18–26°	6.5–8	Beginner – Intermediate	Peaceful
Ventralis Featherfin Cichlid		15 cm	23–27°	7.5–9	Intermediate	Peaceful
Vietnam Golden Line Minnow		3.5 cm	22–26°	6.5–7.5	Beginner – Intermediate	Peaceful
Vietnamese Cardinal Minnow		3 cm	18–23°	6.5–7.5	Beginner	Peaceful
Vogelkop Blue Eye Rainbowfish		3.5 cm	22–27°	4.5–7.5	Beginner – Intermediate	Peaceful
Wapoga Rainbowfish		8 cm	24–30°	7–8	Beginner – Intermediate	Peaceful
Weather Loach		30 cm	10–25°	6–8	Beginner – Intermediate	Peaceful
West Papua Rainbowfish		12 cm	26–30°	6.5–8	Beginner – Intermediate	Peaceful
Western Rainbowfish		12 cm	22–28°	6–8	Beginner – Intermediate	Peaceful
White Cloud Minnow		4 cm	14–22°	6–8	Beginner	Peaceful
White Skirt Tetra		6 cm	20–26°	5.5–8	Beginner – Intermediate	Peaceful
White Spotted Cichlid		12 cm	22–28°	8–9.5	Intermediate	Semi-Aggressive
White-blotched River Stingray		60 cm	20–29°	6–7.5	Intermediate – Advanced	Peaceful
Whitecheek Goby		5 cm	15–25°	6–8	Beginner – Intermediate	Peaceful
Whitespot Eartheater		15 cm	20–28°	5.5–7.5	Intermediate – Advanced	Semi-Aggressive
X-ray Tetra		5 cm	23–27°	6–8	Beginner	Peaceful
Xingu Corydoras		5 cm	22–27°	6–8	Beginner – Intermediate	Peaceful
Y Striped Leporinus		20 cm	22–27°	5.5–7.5	Intermediate	Semi-Aggressive
Yabassi Lampeye Killifish		6 cm	20–25°	6–7.5	Beginner – Intermediate	Peaceful
Yellow Acara		13 cm	24–28°	5–7	Intermediate	Semi-Aggressive
Yellow Marbled Synodontis		17 cm	22–27°	6–7.5	Intermediate	Peaceful
Yellow Phantom Tetra		3 cm	20–28°	5–7	Beginner – Intermediate	Peaceful
Yellow Tailed Congo Tetra		6 cm	22–26°	6.5–8	Beginner – Intermediate	Peaceful
Yellow Tiger Endler		2.5 cm	23–30°	7–8.5	Beginner	Peaceful
Yellowfin Shiner		6 cm	10–23°	6.5–8	Beginner – Intermediate	Peaceful
Yellowstripe Goby		4 cm	22–28°	7–8	Intermediate	Peaceful
Yoma Danio		8 cm	17–25°	6.5–7.5	Beginner – Intermediate	Peaceful
Yoyo Loach		15 cm	24–30°	6.5–7.5	Beginner – Intermediate	Peaceful
Zebra Danio		6 cm	17–23°	6.5–7	Beginner	Peaceful
Zebra Loach		10 cm	21–26°	6–7.5	Intermediate	Peaceful
Zebra Plecostomus L046		10 cm	26–30°	6.5–7	Intermediate – Advanced	Peaceful
Zhou’s Scarlet Goby		5 cm	18–25°	7–8	Intermediate	Peaceful
Zig-zag Eel		90 cm	24–28°	6–7.5	Advanced	Semi-Aggressive
Zodiac Loach		6 cm	20–26°	6–7.5	Intermediate – Advanced	Semi-Aggressive

In Zajel, before you add a fish it tells you whether it suits your tank mates and whether the tank is overstocked.