Species

Clea helena

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

Aulonocara auditor

A sand-sifting Lake Malawi cichlid from a tiny northern shoreline range.

Aulonocara korneliae

A rock-dweller that hunts the sand, endemic to one Malawian island.

Betta aurigans

A rare wild betta from a single Indonesian island, full of quiet personality.

Scleropages jardinii

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

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.

Microctenopoma fasciolatum

A small Congo predator that rewards patient keepers with fascinating labyrinth fish behavior.

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

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.

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.

Nannostomus espei

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

Cyclocheilichthys apogon

A schooling barb built for large, lively communities. No barbels, plenty of personality.

Devario devario

A bold, wide-ranging danio that rewards keepers who give it room to school properly.

Betta splendens

The world's most recognizable fighting fish, now bred in countless colors and fin shapes.

Rhaphiodon vulpinus

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

Polypterus bichir bichir

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

Acestrorhynchus falcirostris

A riverine ambush predator that plays surprisingly well with tankmates it can't eat.

Xenotilapia sima

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

Apistogramma norberti

A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.

Osteoglossum ferreirai

A surface-cruising river predator that leaps for prey in the wild.

Copella callolepis

A tiny Amazonian schooler that rewards patience with vivid courtship displays.

Copella nigrofasciata

A dapper little Amazonian splasher with devoted fathering instincts.

Betta persephone

A velvety black pygmy betta from some of the world's most acidic swamps.

Gymnothorax melanopterus

A moray with bold fin markings from the cool northern seas.

Apteronotus albifrons

A velvety black, ribbon-finned predator that navigates by its own electric field.

Pangio oblonga

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

Ambastaia nigrolineata

A rare, sociable loach with bold racing stripes and fascinating group behaviors.