Species

Cynotilapia afra

A scrappy Malawi mbuna that rewrites the rules with open-water schooling behavior.

Hepsetus odoe

A razor-toothed ambush predator built like a torpedo, straight from West African rivers.

Lates niloticus

One of the world's most destructive invasive species, and genuinely unsuitable for home aquaria.

Betta akarensis

A secretive Bornean mouthbrooder that rewards patient, dedicated keepers.

Gymnotus carapo

A electric-field-wielding oddball that can breathe air and recognize its neighbors

Diploprion bifasciatum

A reef predator that poisons its own tank water when threatened.

Rhaphiodon vulpinus

A sleek South American predator that outgrows almost every home aquarium.

Auriglobus modestus

A small but aggressive freshwater puffer with a surprisingly varied wild diet.

Sandelia capensis

A primitive air-breathing anabantid from South Africa's threatened Cape rivers.

Serrasalmus gibbus

A lone-wolf piranha from Brazil that tolerates no tankmates whatsoever.

Ctenopoma ocellatum

A slow-moving Congo predator with a bold eyespot and real personality.

Anabas testudineus

The fish that walks on land and breathes air. A true survival specialist.

Chelmon rostratus

A gorgeous long-snouted reef fish that rewards patient, experienced keepers.

Atractosteus tristoechus

A living fossil from Cuba that outgrows almost any home aquarium.

Pseudochromis porphyreus

Pocket-sized and bold, this vivid reef dweller punches well above its weight.

Pseudochromis splendens

A solitary reef-dweller from Indo-Pacific drop-offs, compact and reef-compatible.

Crenicichla compressiceps

A pocket-sized pike cichlid with an outsized attitude and lightning-fast reflexes.

Fundulopanchax sjoestedti

A large, boldly colored killifish from West Africa's coastal rainforest swamps.

Hippocampus zosterae

Tiny, monogamous, and endlessly watchable. The seahorse that actually fits a small tank.

Sandelia bainsii

A rare, air-breathing anabantoid from a handful of South African rivers.

Pseudocrenilabrus multicolor

A century in the hobby, this tiny African cichlid broods its young in its own mouth.

Electrophorus electricus

Part knifefish, part power station. This living legend can shock harder than a wall outlet.

Astronotus crassipinnis

A bold, intelligent cichlid that knows your face and owns its territory.

Macrochirichthys macrochirus

A river giant with an upturned jaw and swordlike pectoral fins rarely seen in home tanks.

Nannacara anomala

A tiny cichlid that punches well above its weight come breeding time.

Ctenopoma kingsleyae

A long-lived African predator that can outlast almost every fish in your collection.

Pao baileyi

A sedentary ambush predator that saves its aggression for feeding time.

Canthigaster jactator

A bold little Hawaiian puffer with a voracious appetite and plenty of personality.

Betta ibanorum

A blackwater mouthbrooder from Borneo that rewards patient, dedicated keepers.

Parachromis motaguensis

A bold Central American predator that holds its own against anything in the tank.

Pterois volitans

A venomous reef predator that rules its corner of the tank with quiet authority.

Aristochromis christyi

Lake Malawi's sneaky ambush predator that rolls sideways to fool its prey.

Calloplesiops altivelis

A cave-dwelling mimic that fools predators by impersonating a moray eel.

Aphanius fasciatus

A rare Mediterranean killifish that rewards dedicated keepers with fascinating, constant activity.

Pseudanthias pleurotaenia

A rare, large anthias that demands respect, and space, in the reef tank.

Ctenopoma muriei

A compact African labyrinth fish that punches above its weight in personality.