Southeast Asia
The Mekong, Chao Phraya, and the rivers of Borneo, Sumatra, and Java — home to bettas, gouramis, rasboras, barbs, and many iconic community fish.
460 species · freshwater
Other regions in Asia
Sorong Rainbowfish
FishMelanotaenia fredericki
A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.
Southern Saratoga
FishScleropages leichardti
Australia's ancient surface predator, built for ambush and best kept alone.
Sparkling Gourami
FishTrichopsis pumila
Tiny gourami that settles disputes by croaking like a miniature frog
Spiketail Paradise Fish
FishPseudosphromenus cupanus
A shy, small labyrinth fish with secretive bubble-nesting habits worth watching.
Spotted
FishSewellia sp. "SEW01"
A bold hillstream loach from Vietnam with a spotted pattern and real personality.
Spotted Barb
FishBarbodes binotatus
A wide-ranging Asian barb with a surprisingly variable spotted pattern.
Spotted Hampala Barb
FishHampala dispar
A fast-moving Mekong predator that stays manageable enough for a large community tank.
Spotted Hillstream Loach
FishGastromyzon punctulatus
A pint-sized Bornean hillstream loach that grazes algae like a tiny lawnmower.
Spotted Hillstream Loach
FishSewellia speciosa
A spotted hillstream loach that's feisty, fascinating, and surprisingly easy to breed.
Spotted Kuhli Loach
FishPangio muraeniformis
A slithery little bottom-dweller with a bold spotted pattern and a 10-year lifespan.
Strawberry Rasbora
FishBoraras naevus
A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.
Strawberry Spot Sucker Loach
FishErromyzon sp. "Red Spots"
A rarely identified hillstream loach with bold red spots and fascinating spawning behavior.
Striped barb
FishPuntius lineatus
A peaceful Bornean barb that shows its best colors in a proper school.
Striped Catfish
FishPangasionodon hypophthalmus
Sold as a tiny silver juvenile, grows into a tank-busting giant.
Striped Flying Barb
FishEsomus metallicus
A slender, surface-loving schooler with famously long barbels and a feisty streak.
Striped Hill Trout
FishBarilius barna
A bold, fast-moving hill stream schooler that keeps its tankmates on their toes.
Striped mud carp
FishGymnostomus lineatus
A floodplain grazer with faint lateral stripes and a wandering lifestyle.
Sucker Barb
FishBarbichthys laevis
A gentle giant barb that grazes its way through Southeast Asian rivers.
Sulawesi Ricefish
FishOryzias eversi
A tiny Sulawesi ricefish with a fascinating pelvic-brooding trick.
Sulawesi Ricefish
FishOryzias wolasi
A tiny Sulawesi ricefish with glowing color and surprisingly easy breeding habits.
Sultan Fish
FishLeptobarbus rubripinna
A giant barb sold small, with a wild reputation for getting 'drunk' on rainforest seeds.
Sumatran Barb
FishNeolissochilus sumatranus
A sleek Sumatran river barb that rewards patient, attentive keepers.
Sumatran Featherback
FishChitala hypselonotus
A massive, air-breathing knifefish from the jungle rivers of Borneo and Sumatra.
Sumatran Mini Royal Loach
FishKottelatlimia pristes
A tiny blackwater loach from Borneo that punches above its weight in personality.
Sun Loach
FishYasuhikotakia eos
A bold, clicking loach from fast Mekong rivers that demands respect and companions.
Sunshine Rasbora
FishRasbora lacrimula
A tiny Bornean rasbora with a teardrop tail spot and big personality in a school.
Tamang Borneo sucker
FishHypergastromyzon humilis
A tiny Bornean hillstream loach that crawls rocks instead of swimming
Tami River Rainbowfish
FishGlossolepis pseudoincisus
A rare New Guinea rainbowfish from a single remote lake, never rediscovered.
T-Barb
FishBarbodes lateristriga
A bold, active barb that needs space and equally robust tankmates.
Terengganu Betta
FishBetta stigmosa
A peaceful hill stream betta with iridescent spots and fascinating mouthbrooding behavior.
Thai Micro Crab
InvertLimnopilos naiyanetri
A fingernail-sized freshwater crab that disappears into moss and rarely shows itself.
Thai Ricefish
FishOryzias songkhramensis
A tiny Thai ricefish with a fascinating breeding style and peaceful nature.
Thai River Catfish
FishLeiocassis siamensis
A sleek Thai river catfish with a carnivore's appetite and quiet confidence.
Three-spot Gourami
FishTrichopodus trichopterus
A tough, adaptable gourami with a personality that can catch you off guard.
Three Spot Gourami
FishTrichogaster trichopterus
A bold, labyrinth-breathing gourami that demands respect from its tankmates.
Three-spotted Dwarf Minnow
FishBoraras micros
One of the tiniest cyprinids around, and genuinely underrated for the right setup.