Species

Julidochromis dickfeldi

A rock-hugging Tanganyikan cichlid that pairs for life and guards its cave fiercely.

Channa marulius

A true apex predator that can grow longer than most people are tall.

Channa burmanica

A rare, pelvic-fin-free snakehead from Myanmar with bold facial markings.

Hypoplectrus unicolor

A Caribbean reef predator surprisingly well-suited to beginner saltwater tanks.

Pao cochinchinensis

A compact, ornery puffer from Southeast Asian rivers with outsized personality.

Trimma cana

A reef-dwelling miniature goby that perches right on living coral.

Stomolophus meleagris

A true open-water drifter that demands a very specialized setup to survive in captivity.

Canthigaster rostrata

A pint-sized Atlantic puffer with a big personality and a beak to match.

Dichotomyctere fluviatilis

A personable brackish predator with a beak, a belly, and a bad attitude.

Halichoeres richmondi

A reef-dwelling wrasse that moves in loose social groups across coral-rich shallows.

Pao turgidus

A color-shifting freshwater puffer with a bold personality and serious bite.

Channa amphibeus

A large, air-breathing predator from the rivers of India and Bhutan.

Rasbora rubrodorsalis

A tiny Southeast Asian schooler with a vivid red splash on its dorsal fin.

Channa asiatica

A pelvic-fin-free predator with bold bars, white spots, and genuine parental instincts.

Melanochromis chipokae

Possibly the most aggressive mbuna in the hobby. Not for the faint-hearted.

Cichlasoma bocourti

A hefty Central American cichlid that means business in any territory it claims.

Hypselecara coryphaenoides

A peaceful giant from blackwater rivers that transforms dramatically when spawning.

Coris gaimard

A wrasse that completely reinvents its look from juvenile to adult.

Sphyraena barracuda

A true apex predator that grows to nearly six feet long.

Remora remora

The original hitchhiker: a fish that lives life permanently attached to a host.

Altolamprologus compressiceps

A laterally flattened Tanganyikan predator built to hunt in razor-thin rock crevices.

Tetraodon schoutedeni

A rare Congo puffer with a surprisingly manageable temperament for its family.

Gobiodon atrangulatus

A tiny coral-dwelling goby that lives and breeds within Acropora colonies.

Serranocirrhitus latus

A secretive reef dweller that casually swims upside-down along cave ceilings.

Canthigaster coronata

A compact Hawaiian puffer with bold saddle markings and a voracious appetite for reef invertebrates.

Aequorea victoria

The bioluminescent Pacific jelly that inspired a Nobel Prize-winning discovery.

Nandopsis tetracanthus

Cuba's only native cichlid: territorial, long-lived, and surprisingly personable.

Aphanius danfordii

A rare Turkish killifish relative with fascinating behavior and real conservation value.

Aphyocharax paraguayensis

A lively little shoaler that pairs well with dwarf cichlids and Corydoras.

Xiphophorus cortezi

A gentle, lesser-known Mexican swordtail for the planted community tank.

Wetmorella albofasciata

A tiny, secretive reef wrasse that haunts caves and rarely ventures into the open.

Carinotetraodon salivator

A pint-sized puffer from Borneo's fast-flowing streams, full of personality.

Colomesus tocantinensis

A tiny puffer from Brazilian waters, surprisingly manageable for newer keepers.

Tetraodon duboisi

A rare Congo puffer that packs a big personality into a tiny package.

Sciaenochromis fryeri

A brilliantly blue Lake Malawi piscivore that behaves itself in the right company.

Auriglobus silus

A compact puffer from Indonesian waters with a big personality and sharper teeth.