Species

Heros severus

A large, easygoing cichlid with personality to spare and a surprisingly gentle nature.

Hyalobagrus flavus

A tiny, sociable catfish that actually swims in the open. And has a fish that mimics it.

Lamprologus meleagris

A tiny shell-brooding cichlid with a surprisingly big attitude.

Lamprologus kungweensis

A tiny Lake Tanganyika shell brooder that digs its own burrow network.

Neolamprologus brevis

A pint-sized Tanganyikan cichlid that treats a snail shell like a fortress

Nannostomus nitidus

A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.

Poecilia mexicana

The wild ancestor of the molly we all know, built for tough conditions.

Polypterus palmas

An ancient, air-breathing predator that looks like it crawled out of the Devonian.

Pyrrhulina brevis

A compact Amazonian predator with surprising personality for its size.

Sorubim lima

A head-down ambush predator that swims like a falling leaf among the roots.

Crossocheilus oblongus

The algae eater that actually eats algae, including the tough stuff other fish ignore.

Crossocheilus langei

The real Siamese algae eater is harder to identify than you'd think.

Badis siamensis

A rare Thai cave-spawner with detailed patterning and fascinating paternal instincts.

Crossocheilus siamensis

A tireless algae grazer that earns its keep in planted tanks.

Pareutropius longifilis

A shy but lively African schooling fish that thrives in numbers

Metynnis argenteus

Peaceful piranha relatives that will demolish your plants overnight.

Gasteropelecus sternicla

A surface-skimming acrobat that leaps to catch insects mid-air.

Mylossoma duriventre

A deep-bodied South American schooler that belongs in serious, large setups.

Rasbora argyrotaenia

A sleek, fast-moving schooler built for larger river setups

Gymnocorymbus bondi

A peaceful Orinoco schooler that's more interesting than its plain adult looks suggest.

Datnioides polota

A bold, bar-patterned predator that bridges freshwater rivers and brackish coastal zones.

Hasemania nana

A glittering, lively little tetra that plays well with almost everyone.

Distichodus sexfasciatus

A boldly striped river giant that outgrows most aquariums and most owners' expectations.

Epiplatys sexfasciatus sexfasciatus

A sleek African killifish that hunts from the surface with cool precision.

Corydoras arcuatus

A boldly striped little catfish that breathes air and moves in cheerful gangs.

Yasuhikotakia morleti

A feisty, burrowing loach with complex social behavior and a bold personality.

Nimbochromis livingstonii

The Lake Malawi cichlid that fakes its own death to ambush prey.

Betta bellica

A slender peat swamp betta that rewards patient, thoughtful keepers

Hemiodus gracilis

A fast-moving Amazon schooler that thrives in large, active biotope communities.

Protopterus dolloi

A living fossil that breathes air and can crawl across dry land.

Melanotaenia gracilis

A rare, slender Australian rainbow from one of the continent's most remote river systems.

Buccochromis lepturus

A rarely seen Lake Malawi predator that hunts juvenile cichlids on sandy flats.

Brachyplatystoma platynemum

A rarely-seen Amazonian giant named for its unusually thick, drooping barbels.

Corydoras similis

A small armored catfish that breathes air and thrives in a lively group.

Betta channoides

A tiny, peaceful mouthbrooder from Borneo's blackwater forest streams.

Desmopuntius rhomboocellatus

A peaceful Bornean barb that really comes alive in a proper-sized school.