Species

Herichthys cyanoguttatus

The only cichlid native to the United States, and it has the attitude to prove it.

Limnopilos naiyanetri

A fingernail-sized freshwater crab that disappears into moss and rarely shows itself.

Oryzias songkhramensis

A tiny Thai ricefish with a fascinating breeding style and peaceful nature.

Leiocassis siamensis

A sleek Thai river catfish with a carnivore's appetite and quiet confidence.

Trichogaster labiosa

An underrated community gourami that outshines its more famous cousins.

Colisa labiosus

A thick-lipped labyrinth fish from Myanmar with a surprising need for surface air.

Corydoras pantanalensis

A long-lived Bolivian cory with a quirky air-gulping habit worth watching for.

Hassar orestis

A sound-producing doradid catfish that rewards patient keepers with bold group behavior.

Anadoras grypus

A compact Amazonian thorny catfish with surprising personality for its small size.

Nemadoras leporhinus

A schooling thorny catfish from South America, rarely seen but worth seeking out.

Oxydoras niger

A school-forming gentle giant that outgrows almost every home aquarium.

Rhinodoras dorbignyi

A gentle giant of the Paraná, this armored catfish needs serious space to roam.

Acarichthys heckelii

A cichlid with elaborate burrowing spawning behavior unlike almost anything else in the hobby.

Geophagus altifrons

A sand-sifting Amazon cichlid that's gentler than its reputation suggests.

Iriatherina werneri

Delicate featherfin rainbowfish with spectacular filamentous fins best shown in a species setup.

Leporacanthicus triactis

The vampire plec with vivid fin markings that actually stay as it grows.

Neolebias trilineatus

A tiny, shy Congo tetra that transforms into a jewel in the right tank.

Ancistrus triradiatus

A compact, cave-breeding Bristlenose with a surprisingly complex social life.

Cichlasoma trimaculatum

A bold, territorial Central American cichlid with legendary parenting instincts.

Satanoperca daemon

A sand-sifting cichlid with bold markings and surprisingly complex social needs.

Trichopodus trichopterus

A tough, adaptable gourami with a personality that can catch you off guard.

Trichogaster trichopterus

A bold, labyrinth-breathing gourami that demands respect from its tankmates.

Leporinus friderici

A large, fruit-eating South American fish that swims with serious personality.

Pseudanos trimaculatus

A schooling headstander with a Jekyll-and-Hyde personality in smaller groups.

Boraras micros

One of the tiniest cyprinids around, and genuinely underrated for the right setup.

Exochochromis anagenys

A sleek Lake Malawi predator that hunts fish over sandy and rocky lake floors.

Apistogramma trifasciata

A tiny cichlid packing bold stripes, bright color, and real personality into a small frame.

Nannostomus trifasciatus

A pencilfish with real attitude. Best kept in big groups with broken sightlines.

Puntigrus tetrazona

Bold, nippy, and best kept in a big rowdy group of its own kind.

Puntigrus anchisporus

A wild Bornean tiger barb that puts the common trade fish to shame.

Syncrossus berdmorei

A bold, clicking loach that demands respect and plenty of company.

Pseudoplatystoma tigrinum

A true river giant that outgrows almost every home aquarium.

Hoplias malabaricus

A nocturnal ambush predator with jaws that mean serious business.

Inlecypris maetaengensis

A tiny Thai mountain-stream schooler sold as tiger danio, worth a closer look.

Hydrocynus vittatus

Razor-toothed river predator that hunts in packs and outgrows almost any tank.

Acanthocobitis urophthalmus

A tiny, peaceful bottom-dweller from Sri Lanka's fast-flowing lowland streams.