Southeast Asia

Homaloptera leonardi

A tiny hillstream crawler that clings to rocks and hops across the riverbed.

Homaloptera smithi

A fast-water hillstream loach that crawls and hops across rocks like a tiny lizard.

Homaloptera zollingeri

A flattened, rock-clinging stream dweller that crawls and hops like a lizard.

Homalopteroides smithi

A rock-clinging hill stream loach that crawls and hops like a tiny lizard.

Homalopterula gymnogaster

A tiny Sumatran hillstream loach that crawls and hops across rocks like a lizard.

Neohomaloptera johorensis

A tiny, orange hillstream loach that crawls and hops rather than swims.

Homaloptera parclitella

A flat-bodied Malay hillstream loach that crawls and hops across rocks like a tiny lizard.

Acantopsis octoactinotos

A slender, sand-diving loach with a distinctively elongated snout.

Betta enisae

A mouthbrooding wild betta from Borneo's leaf-littered forest streams.

Mystus gulio

A schooling brackish catfish that grows surprisingly large and breathes air.

Leptobarbus hoevenii

A river giant with a wild reputation for eating intoxicating seeds

Acrochordonichthys septentrionalis

A skin-shedding hill stream catfish that keeps its tankmates on their toes.

Betta mahachaiensis

A nipa palm specialist from coastal Thailand with iridescent blue-green armor.

Pristolepis fasciata

A bold, deep-bodied predator from Southeast Asian floodplains with real personality.

Pangio semicincta

The fish sold as kuhli loach is almost certainly this one instead.

Ompok eugeneiatus

A shy, schooling catfish from Southeast Asian peat swamps and flooded forests.

Betta mandor

A small, secretive Bornean mouthbrooder best kept in quiet, species-focused setups.

Oxyeleotris marmorata

A motionless giant that eats anything fitting in its enormous mouth.

Macrognathus meklongensis

A secretive Thai spiny eel that comes out of hiding when hunger calls.

Brachygobius mekongensis

A pint-sized brackish goby with bold banded markings and a big personality.

Trichopsis schalleri

The tiny gourami that actually produces sounds to resolve conflicts and court mates.

Dasyatis laosensis

A true river stingray from the Mekong, built for life on sandy bottoms.

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.

Boraras merah

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

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.

Acanthocobitis botia

A peaceful, quirky bottom-dweller with a false eye that fools predators.

Mystus mysticetus

A gregarious Southeast Asian catfish with a uniquely lateral-eyed look.

Sundadanio axelrodi

Tiny blackwater gem that rewards patient keepers with dazzling group behavior.

Melanotaenia praecox

Tiny rainbowfish that turns up the color when kept in a proper shoal.

Stiphodon ornatus

A tiny, colorful stream goby from Sumatra that rewards patient observers.

Chitala ornata

A prehistoric river predator that grows far larger than most tanks can handle.

Channa pleurophthalma

Bold ocellus markings and predatory charisma from the peat swamps of Borneo.