Species

Pristobrycon calmoni

A lesser-known piranha relative with serious teeth and surprising longevity.

Pterois radiata

A venomous reef predator with dramatic white-lined fins and reclusive habits.

Anabas testudineus

The fish that walks on land and breathes air. A true survival specialist.

Epiplatys annulatus

A pocket-sized killifish with bold racing stripes and a surprisingly calm nature.

Synodontis decorus

A bold Congo catfish with a clown's wardrobe and a surprisingly peaceful personality.

Coris gaimard

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

Cnidoglanis macrocephalus

A peaceful Australian giant that hides by day and hunts by night.

Apistogramma cacatuoides

A pocket-sized cichlid with big personality and remarkable parental dedication.

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.

Polypterus endlicheri congicus

A prehistoric armored predator that breathes air and swallows prey whole.

Tetraodon miurus

A buried ambush predator from the Congo that bites first and asks questions never.

Papyrocranus congoensis

A prehistoric-looking Congo predator that breathes air straight from the surface.

Tetraodon schoutedeni

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

Alestes bimaculatus

A lively Congo schooler that brings active mid-water energy to larger African setups.

Parachanna insignis

A powerful African predator that breathes air and demands serious commitment.

Chelmon rostratus

A gorgeous long-snouted reef fish that rewards patient, experienced keepers.

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.

Platynematichthys notatus

A bold Amazonian catfish that grows large enough to demand serious space.

A tiny armored catfish with a surprisingly versatile respiratory trick up its sleeve.

Butis butis

The brackish ambush predator that hunts just as happily upside down as right-side up.

Trichopsis vittata

The gourami that settles arguments with sound instead of fins.

Bagarius suchus

A rapids-dwelling predator built more for public aquariums than home tanks.

Indostomus crocodilus

A tiny armored oddity from Thai blackwater streams, best kept in small groups.

Canthigaster coronata

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

Nandopsis tetracanthus

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

Atractosteus tristoechus

A living fossil from Cuba that outgrows almost any home aquarium.

Biotodoma cupido

A peaceful community cichlid that rewards keepers who buy a proper group.

Neolamprologus pulcher

A Lake Tanganyika cichlid with a remarkably complex social family life.

Aphanius danfordii

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

Echidna polyzona

A reef moray that hunts crabs, not fish, making it surprisingly tankmate-friendly.

Parupeneus barberinus

A bold, active sand-sifter built for big reef systems with open substrate.

Aphyocharax paraguayensis

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

Placidochromis electra

A sand-sifting Malawi hap gentle enough to keep with Aulonocara and Copadichromis.