Species

Tucanoichthys tucano

A pint-sized Amazonian rarity that rewards patient, specialist keepers.

Limnopilos naiyanetri

A fingernail-sized freshwater crab that disappears into moss and rarely shows itself.

Oryzias songkhramensis

A tiny Thai ricefish with a fascinating breeding style and peaceful nature.

Trichogaster labiosa

An underrated community gourami that outshines its more famous cousins.

Nemadoras leporhinus

A schooling thorny catfish from South America, rarely seen but worth seeking out.

Oxydoras niger

A school-forming gentle giant that outgrows almost every home aquarium.

Neolebias trilineatus

A tiny, shy Congo tetra that transforms into a jewel in the right tank.

Satanoperca daemon

A sand-sifting cichlid with bold markings and surprisingly complex social needs.

Leporinus friderici

A large, fruit-eating South American fish that swims with serious personality.

Puntigrus tetrazona

Bold, nippy, and best kept in a big rowdy group of its own kind.

Puntigrus anchisporus

A wild Bornean tiger barb that puts the common trade fish to shame.

Inlecypris maetaengensis

A tiny Thai mountain-stream schooler sold as tiger danio, worth a closer look.

Hydrocynus vittatus

Razor-toothed river predator that hunts in packs and outgrows almost any tank.

Caridina serrata

Bold tiger stripes and easy care make this shrimp a great starting point.

Caridina mariae

Bold tiger-striped shrimp that comes in a dazzling range of color forms.

Betta rubra

A tiny peat swamp betta with mouthbrooding surprises and complex social needs.

Hyphessobrycon stegemanni

A tiny Tocantins tetra often mistaken for its look-alike neighbor.

Batasio travancoria

A small, feisty hill stream catfish from India's lush Western Ghats.

Schistura cf balteata

A boldly patterned Myanmar loach that comes in pink or yellow. Nobody knows why.

Champsochromis caeruleus

The trout cichlid: a solitary Lake Malawi predator built around an enormous mouth.

Cichla monoculus

A river predator built for size, speed, and a 20-year commitment.

Pethia erythromycter

A tiny Myanmar barb with a red nose and big attitude toward tankmates.

Hemigrammus ulreyi

A peaceful schooling tetra that's rarer in tanks than its charm deserves.

Copadichromis ilesi

A peaceful Utaka cichlid from Lake Malawi with fascinating mouthbrooding behavior.

Barilius vagra

A fast, bold hill-stream cyprinid that needs equally assertive tankmates.

Geosesarma notophorum

Vivid purple freshwater crab that lives on land as much as in water.

Hydrolycus armatus

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

Atya gabonensis

A peaceful giant that filter-feeds with fan-like hands instead of grazing.

Xiphophorus variatus

Dozens of color forms, endless fry, and tolerant enough for any community tank.

Nandus nandus

A patient ambush predator from South Asia that punches above its weight at feeding time.

Aphanius vladykovi

A high-altitude Iranian toothcarp that rewards dedicated keepers with non-stop activity.

Annamia normani

A fast-water hillstream fish that really needs to be kept in a crowd.

Aphanius villwocki

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

Aphyosemion volcanum

A rare Cameroonian killifish from volcanic rainforest streams, seldom seen in the hobby.

Rasbora vulcanus

A tiny, peaceful Sumatran schooler that earns its volcanic trade name.

Heterobranchus longifilis

One of Africa's largest freshwater fish, built for serious dedicated keepers only.