Species

Aphanius transgrediens

A critically rare Turkish killifish that's more conservation project than casual pet.

Xenomystus nigri

The knifefish that barks, breathes air, and swims backwards with ease.

Hepsetus odoe

A razor-toothed ambush predator built like a torpedo, straight from West African rivers.

Lates niloticus

One of the world's most destructive invasive species, and genuinely unsuitable for home aquaria.

Hoplerythrinus unitaeniatus

An ancient air-breathing predator that can walk to find new water.

Butis amboinensis

An ambush predator that hunts upside-down under submerged wood

Nannostomus anduzei

The tiniest pencilfish, rarely seen but worth hunting down.

Chaca bankanensis

A master of disguise that lures prey with its own barbels like a living trap.

Apistogramma cinilabra

A compact Peruvian dwarf cichlid with ashy lips and a body built like a brick.

Luciosoma pellegrinii

A surface-prowling Bornean predator that leaps for food above the waterline.

Luciosoma setigerum

A surface-skimming predator sold under a tangle of wrong names.

Aphanius baeticus

A critically rare Spanish killifish that rewards dedicated keepers willing to help conserve it.

Aphanius saourensis

A critically endangered Algerian killifish best kept as a conservation breeding project.

Pseudomystus sp. "Cf Stenomus"

A secretive, predatory catfish that punches above its weight in community tanks.

Xenentodon cancila

A torpedo-shaped freshwater predator that will absolutely bite the hand that feeds it.

Hemibagrus wyckioides

A river giant that outgrows nearly every home aquarium and knows no fear.

Akysis portellus

A tiny venomous stream catfish from Myanmar that's easier to keep than it looks.

Akysis pulvinatus

A pint-sized Thai hillstream catfish that hides among rocks and rarely reaches an inch.

Akysis vespertinus

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

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.

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.

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

Dunckerocampus dactyliophorus

A boldly banded reef pipefish that breeds in captivity and hides in caves.

Pterapogon kauderni

A rare, naturally restricted cardinalfish with fascinating paternal mouthbrooding behavior.

Heniochus singularis

The largest bannerfish, solitary and rarely seen even in the wild.

Devario pathirana

A rare Sri Lankan danio with bold vertical bars and a lively, boisterous personality.

Amblyeleotris wheeleri

A hardy reef goby that shares its burrow with a nearly blind shrimp partner.

Taenioides cirratus

A snake-like burrowing goby with whiskery barbels and surprising air-breathing ability.

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.

Acestrorhynchus falcirostris

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