Species

Cyclocheilos enoplos

A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.

Aborichthys elongatus

A pebble-stream loach from the Himalayan foothills with a fondness for fast water.

Barbonymus altus

A bold, active schooling barb that quickly outgrows most home aquariums.

Pseudotropheus williamsi

A feisty Malawi cichlid with a vivid orange-red dorsal that demands attention.

Metriaclima estherae

A bold, scrappy cichlid that brings serious color and attitude to the African rift tank.

Erpetoichthys calabaricus

A living fossil with an eel-like body and a lineage older than the dinosaurs.

Archocentrus spinosissimus

A spiny Central American cichlid from Guatemala's Lake Izabal basin, rarely seen in the hobby.

Haplochromis sauvagei

A Lake Victoria cichlid that hunts snails and insect larvae along rocky shorelines.

Pelvicachromis roloffi

A cave-spawning West African dwarf cichlid with strong pair bonds and subtle charm.

Sahyadria denisonii

The endangered Indian torpedo barb with a vivid red-and-black racing stripe

Pethia conchonius

Hardy, colorful schooling barb that thrives across a wide range of conditions.

Caquetaia spectabilis

A bold Amazonian cichlid that pairs for life and defends its brood fiercely.

Apistogramma alacrina

A pint-sized Colombian dwarf cichlid with a uniquely spotted pectoral fin base.

Macropodus ocellatus

A cold-hardy labyrinth fish that stays active even under ice.

Brachygobius sabanus

A tiny brackish goby with bold banding and a big territorial attitude.

Crenuchus spilurus

A solitary little predator with theatrical fin displays and devoted fathering instincts.

Pachypanchax sakaramyi

A montane Malagasy killifish that's gentler than most of its relatives

Neoarius leptaspis

A mouthbrooding giant catfish that travels from rivers to the sea.

Cichlasoma salvini

Colorful, compact, and surprisingly ferocious. A Central American cichlid with real attitude.

Hampala salweenensis

A rare Salween barb that hunts by suction and needs to be kept in groups.

Neolamprologus sexfasciatus

A boldly striped Tanganyikan predator that demands respect from tankmates and keeper alike.

Thorichthys callolepis

A lesser-known Mexican cichlid from swift, rocky headwaters worth a closer look.

Paraneetroplus bulleri

A hardy Mexican cichlid built for fast currents and long-term companionship.

Cyprichromis leptosoma

A mid-water schooling cichlid from Tanganyika with fascinating lekking behavior.

Pseudotropheus saulosi

A Lake Malawi mbuna with dazzling sex-based color differences and fascinating mouthbrooding behavior.

Cyprinodon desquamator

A tiny Bahamian pupfish that makes its living stealing scales from other fish.

Toxotes chatareus

A sharpshooter that hunts insects by spitting jets of water at overhanging branches.

Heros efasciatus

A gentle giant of the Amazon that plays surprisingly well with others.

Heros severus

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

Barilius shacra

A bold, fast-moving river cyprinid that needs equally robust tankmates to thrive.

Luciosoma bleekeri

A fast-moving surface predator that needs serious space to thrive.

Acnodon normani

A compact pacu with tiger stripes and a bad habit of snacking on scales.

Lamprologus meleagris

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

Neolamprologus similis

Tiny shell-dwelling cichlid with a ferocious personality well above its size.

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