Species

Akysis vespertinus

A tiny, venomous stream catfish from Myanmar, rarely seen outside specialist collections.

Channa orientalis

A compact, air-breathing predator with remarkable breeding behavior and surprising adaptability.

Clea helena

The snail that hunts other snails. A living solution to pest outbreaks.

Amphilophus macracanthus

A hefty Central American cichlid built for life on the riverbed.

Apistogramma atahualpa

A jewel-sized Amazonian dwarf cichlid with fierce maternal instincts.

Corydoras atropersonatus

A long-lived little armored catfish that actually breathes air from the surface.

Ophisternon gutturale

A secretive, air-breathing eel that hides in mud and comes alive after dark.

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.

Schistura notostigma

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

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.

Corydoras metae

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

Bunocephalichthys verrucosus

A master of disguise that looks more like a dead leaf than a fish.

Bunocephalus coracoideus

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

Bunocephalus knerii

A master of camouflage that lies motionless until the lights go out.

Corydoras robineae

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

Rhinogobius giurinus ctenogobius giurinus ctenogobius hadropterus

A hardy little goby from Asia's rivers, surprisingly easy to keep.

Opsarius barna

A bold, fast-moving hill stream schooler that needs equally spirited tankmates.

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.

Batasio tigrinus

A compact Thai catfish with bold tiger patterning and feisty personality.

Mesonoemacheilus triangularis

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

Scleromystax barbatus

The giant of the cory world, with a beard and a serious attitude to match.

Ophisternon bengalense

A burrow-building, air-breathing swamp predator that blurs the line between eel and snake.

Neoarius berneyi

A wide-ranging Australian catfish that thrives in murky, slow-moving water.

Polypterus bichir bichir

A living fossil that breathes air and hunts by smell alone.

Acaronia nassa

A wide-eyed Amazonian ambush predator that makes the most of its stillness.

Synodontis alberti

The Synodontis with the longest barbels and biggest eyes in the genus.

Xenotilapia sima

A sand-sifting Tanganyikan schooler that rarely turns up in the hobby

Trachycorystes trachycorystes

A hefty South American catfish with unusual reproductive biology and serious presence.

Thorichthys pasionis

A lesser-known Central American cichlid with bold personality and a distinctive dark throat.

Pangio oblonga

A slender, uniformly dark loach that loves company and hides in plain sight.