Species

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.

Leptobotia pellegrini

China's boldly patterned loach needs a group and robust tankmates to thrive.

Axelrodi riesei

A tiny red gem from Colombia that rewards patient, species-focused keepers.

Brachygobius sabanus

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

Chaetodon ephippium

A boldly patterned butterflyfish with a dramatic dark saddle across its back.

Polypterus endlicheri

A prehistoric African predator that breathes air and grows to impressive lengths.

Polypterus endlicheri endlicheri

A living fossil that can breathe air and survive out of water.

Leiarius marmoratus

A massive schooling catfish with dramatic fins and a nocturnal personality.

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

Cichlasoma salvini

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

Pygocentrus piraya

The largest piranha, and the one that earns the reputation others borrow.

Oryzias sarasinorum

A rare Sulawesi ricefish with a truly bizarre egg-carrying trick

Cyprichromis leptosoma

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

Histrio histrio

A master of disguise that drifts the open ocean on floating weed mats.

Xanthichthys ringens

A long-lived Atlantic trigger that spends its youth adrift in floating seaweed.

Cyprinodon desquamator

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

Aphanius asquamatus

A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.

Balanophyllia (Balanophyllia) regia

A brilliant cold-water coral that thrives in low light and modest flow.

Dario dario

Tiny Indian badid with iridescent blue bars and big personality in a nano tank.

Rasbora rasbora

A large, peaceful schooling rasbora rarely seen outside specialist collections.

Ptereleotris evides

A graceful reef dartfish that hovers in open water and pairs for life.

Synchiropus ocellatus

A reef-floor hunter with detailed patterns and a surprisingly long lifespan.

Cirrhilabrus scottorum

A brilliantly colored fairy wrasse that rewards patient, experienced reef keepers.

Mnemiopsis leidyi

A glowing, gelatinous predator that belongs in a very specialized setup.

Hyalobagrus flavus

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

Elacatinus evelynae

A tiny Caribbean cleaner fish that services sharks and rays without hesitation.

Echeneis naucrates

The fish that hitchhikes on sharks, and occasionally tries to attach to divers.

Sphaerichthys acrostoma

A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.

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.

Nannostomus nitidus

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

Neosilurus brevidorsalis

A compact Australian bottom-dweller that earns its keep in a peaceful community tank.

Lepisosteus oculatus

A living fossil built for ambush, not the average home aquarium.

Sorubim lima

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