Species

Melanochromis auratus

A brilliantly colored mbuna with an attitude that demands respect and careful tankmates.

Pseudotropheus aurora

A scrappy Malawi mbuna from the rock-sand interface, with real personality to spare.

Pseudomugil signifer

Australia's tiny blue-eyed shoaler thrives where streams meet the sea.

Scleropages jardinii

Australia's own arowana, and arguably the most aggressive of the family.

Melanotaenia fluviatilis

Australia's most cold-tolerant rainbowfish, built for temperate rivers and cool winters.

Aphanius sirhani

A critically endangered desert oasis killifish worth keeping as a conservation project.

Lates calcarifer

A giant predator that outgrows almost every aquarium on earth.

Poecilia maylandi

A little-known Mexican molly with big personality and a taste for algae.

Bujurquina vittata

A devoted South American cichlid that carries its babies in its mouth.

Toxotes jaculatrix

The fish that hunts above water, shooting insects down with pinpoint accuracy.

Platystacus cotylephorus

A leaf-mimicking catfish that carries its eggs on fleshy belly stalks.

Tilapia sparrmanii

A peaceful, plant-grazing tilapia that pairs up to raise its young.

Apistogramma bitaeniata

A jewel of Amazonian blackwater, with color forms varying by river system.

Epiplatys fasciolatus

A surface-hunting West African killifish with metallic fins and a subtle barred pattern.

Bagarius rutilus

A river predator with vivid orange fins, built for serious hobbyists with serious space.

Colisa fasciata

A labyrinth fish with bold bands and a surprisingly peaceful personality.

Hemichromis elongatus

A jewel cichlid with a reputation for being the most aggressive in the genus.

Gymnotus carapo

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

Leporinus fasciatus

Bold black-and-yellow stripes that multiply as the fish grows up.

Schistura notostigma

A feisty Sri Lankan stream dweller that climbs waterfalls and holds its ground.

Melanotaenia trifasciata

A dazzling Australian native whose true colors take patience to reveal.

Mastacembelus circumcinctus

A secretive burrowing eel that vanishes into the substrate for days at a time.

Syncrossus helodes

A bold, large loach that needs space, company, and an owner who means business.

Guianacara geayi

A harem-keeping cichlid from French Guiana's rocky, fast-running streams.

Corydoras metae

The bandit-masked cory with a longer lifespan than most fishkeepers expect.

Bunocephalus coracoideus

A master of leaf-litter disguise that only comes alive after dark.

Corydoras robineae

The bannertail cory: bold markings, fascinating air-gulping behavior, and surprising longevity.

Channa baramensis

A compact, air-breathing predator from Borneo with bold scale markings.

Channa barca

A rare, large-bodied snakehead with bold patterning and a ferocious personality.

Polypterus delhezi

A living fossil from the Congo that breathes air and hunts by smell.

Devario pathirana

A rare Sri Lankan danio with bold vertical bars and a lively, boisterous personality.

Nemacheilus fasciatus

A neatly patterned stream loach from the cool highlands of Sumatra and Java.

Syncrossus beauforti

A boldly patterned, boisterous loach that demands space and respectful tankmates.

Nannostomus espei

The only pencilfish that wears its night pattern all day long.

Mylochromis lateristriga

A sandy-bay predator from Lake Malawi with a taste for crustaceans.

Mesonoemacheilus triangularis

A boldly patterned Indian hillstream loach with a famously unpredictable temper.