Species

Pangasianodon gigas

One of the largest freshwater fish on Earth, and critically endangered.

Aaptosyax grypus

A rare, river-running predator from the Mekong that grows to epic proportions.

Oryzias mekongensis

A tiny Mekong native with vivid fin markings and surprisingly easy breeding habits.

Datnioides undecimradiatus

A boldly barred Mekong predator with a long memory and a short temper.

Haludaria fasciata

An underrated Indian barb that rewards you with vivid male rivalry displays.

Apistogramma mendezi

A blackwater dwarf cichlid with a surprisingly gentle nature and fascinating cave-breeding habits.

Aspidoras menezesi

A tiny Brazilian catfish with a surprisingly long lifespan and a Corydoras personality.

Boraras merah

Thumbnail-sized Borneo native that rewards patience with vivid schooling displays.

Phallichthys amates

A low-key Central American livebearer that thrives where flashier fish struggle.

Girardinus metallicus

A livebearer from Cuba with a glinting metallic sheen and real historical quirks.

Hyphessobrycon metae

A tricky-to-identify Orinoco tetra that rewards patient, well-planned community tanks.

Cambarellus patzcuarensis

Tiny, peaceful, and full of personality. The dwarf crayfish that plays well with others.

Astyanax mexicanus

The cave fish that lost its eyes and gained extraordinary senses.

Astyanax fasciatus

A bold, wide-ranging tetra with a predatory streak that surprises many keepers.

Corydoras hastatus

Tiny armored catfish that defies its family by cruising the midwater column.

Danionella translucida

One of the tiniest freshwater fish alive, and surprisingly easy to breed.

Amphilophus citrinellus

A bold, intelligent cichlid that recognizes its owner and demands respect in return.

Corydoras spectabilis

The 'millennium cory'. A peaceful schooler with spotted flair from Brazil's Guaporé basin.

Parasphaerichthys lineatus

A tiny Burmese labyrinth fish with some of the most unpredictable breeding behavior in the hobby.

Serrasalmus sanchezi

A misidentified mini-piranha relative with razor teeth and a fiery red throat.

Herichthys minckleyi

A rare Mexican cichlid from one of the world's most extraordinary desert springs.

Hyphessobrycon minor

A peaceful little tetra from Guyana that's seldom seen in the hobby.

Polypterus mokelembembe

An ancient, armored predator from the Congo's murky depths.

Poecilia sphenops

A livebearer classic that can thrive from freshwater all the way to full marine conditions.

Alticorpus mentale

A deep-water Malawi cichlid from sandy depths rarely seen in the hobby.

Vieja heterospila

A robust Central American cichlid from some of Mexico's most storied river systems.

Xiphophorus montezumae

A wild swordtail with an absurdly long tail sword that rivals its own body length.

Trichogaster microlepis

A silver-scaled Southeast Asian gourami with a gentle nature and labyrinth breathing.

Parosphromenus linkei

A pint-sized blackwater gourami with head-down courtship displays unlike any other.

Variabilichromis moorii

A Lake Tanganyika rockdweller with a fascinating family life and devious brood tactics.

Corydoras haraldschultzi

A long-lived armored catfish with detailed reticulated markings and a surprisingly social personality.

Azolla caroliniana

A fast-spreading floating fern that doubles as a nursery roof for shrimp and fry.

Gambusia affinis

The notorious mosquitofish: tough, prolific, and not a friendly neighbor.

Hara jerdoni

A moth-like micro catfish from Indian hill streams, best kept in groups.

Polypterus weeksii

A living fossil from the Congo with a swim bladder that doubles as a lung.

Amarginops ornatus

A sleek Congo predator with ornate markings and serious attitude toward tankmates.