Species

Nimbochromis venustus

The Lake Malawi cichlid that hunts by playing dead

Prionobrama filigera

A peaceful, transparent schooling fish with a blood-red tail that earns its name.

Charax gibbosus

A rarely-seen South American oddity with a see-through body and a quirky head-down posture.

Pethia gelius

A tiny, peaceable barb that shows its best colors in a tight-knit group.

Julidochromis ornatus

A rock-hugging Tanganyikan cichlid that bonds for life with its partner.

Channa stewartii

A hardy Himalayan predator that breathes air and tolerates a range of conditions.

Hemigrammus rodwayi

The golden color isn't natural. It takes a parasite to unlock it.

Puntius sachsii

A feisty little schooling barb that keeps tanks lively. And fins on their toes.

Carassius auratus

The streamlined single-tail original. Hardy, fast, and pond-tough.

Carassius auratus auratus

The fish that started it all. Centuries of selective breeding in one bowl-worthy package.

Melanotaenia goldiei

A large, active rainbowfish from the wild rivers and swamps of New Guinea.

Andinoacara rivulatus

A bold, beautiful cichlid that will absolutely rearrange your community tank.

Herichthys carpintis

A pearl-flecked bruiser that rewards bold hobbyists willing to manage its attitude.

Notopterus notopterus

A nocturnal predator that outgrows most home aquariums faster than expected.

Tomeurus gracilis

A tiny Venezuelan oddity that lays eggs despite fertilizing them internally.

Nandopsis haitiensis

A powerhouse cichlid from Hispaniola that takes no prisoners in the aquarium.

Thayeria ifati

The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.

Ctenochromis polli

A compact Congo cichlid with fiery courtship colors and fascinating mouthbrooding behavior.

Mylochromis melanonotus

A sand-dwelling Lake Malawi predator with a jaw that caused decades of taxonomic confusion.

Leporinus brunneus

A sleek South American characin from blackwater rivers, suited to spacious tanks.

Hemiodopsis immaculatus

A fast-moving, peaceful schooler from Amazonian blackwater river systems.

Alfaro huberi

A sleek Central American livebearer built for fast, clear currents.

Pao palembangensis

A freshwater puffer from Southeast Asia with serious teeth and serious attitude.

Parambassis ranga

A living x-ray fish whose transparent body reveals its skeleton and organs.

Melanotaenia irianjaya

A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.

Rocio octofasciata

A bold, brawling cichlid named after a boxing legend for good reason.

Parachromis managuensis

A bold, personable predator that owns every tank it inhabits.

Cubanichthys pengelleyi

A rare Jamaican killifish with clear-water roots and a reputation for challenging its keeper.

Systomus orphoides

A boisterous, patterned barb that needs bold tankmates and room to roam.

Hemichromis bimaculatus

Gorgeous West African cichlid that becomes a ferocious defender once paired up.

Pseudotropheus lombardoi

A notoriously aggressive mbuna with a dramatic reverse color scheme between sexes.

Cleithracara maronii

A gentle, shy cichlid whose camouflage trick is straight out of a nature documentary.

Austrolebias adloffi

A tiny annual killifish that races through its entire life cycle in months.

Semaprochilodus insignis

A migratory Amazon grazer that plays a surprising ecological role in the wild.

Caquetaia kraussii

A predatory Colombian cichlid that lurks in swamps and ambushes its prey.

Pseudochalceus kyburzi

A peaceful Colombian schooler with a nippy streak worth planning around.