Species

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.

Gymnotus carapo

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

Rhaphiodon vulpinus

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

Serrasalmus gibbus

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

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.

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.

Pseudocrenilabrus multicolor

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

Osphronemus laticlavius

A rare Bornean giant with vivid red-edged fins and genuine personality.

Macrochirichthys macrochirus

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

Macropodus hongkongensis

A rare Hong Kong labyrinthfish with fierce personality packed into a small frame.

Parachromis motaguensis

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

Helostoma temminkii

The infamous 'kissing fish' hides a complicated personality behind its pucker.

Aristochromis christyi

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

Aphanius fasciatus

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

Hydrolycus scomberoides

Vampire-fanged characin that's surprisingly peaceful with fish too big to eat.

Crenicichla lugubris

A deceptively pretty juvenile that grows into a large, predatory tank-buster.

Histrio histrio

A master of disguise that drifts the open ocean on floating weed mats.

Hydrolycus armatus

A river predator with fangs to match its reputation, and size to back it up.

Aphanius villwocki

A rare Turkish killifish with ancient roots and surprisingly active character.