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.
427 species · freshwater · fish
Other regions in Asia
Peaceful Betta
FishBetta imbellis
The gentler betta. Males can sometimes share a tank if given enough cover.
Pearl Danio
FishDanio albolineatus
A shimmering, active schooler that thrives in community tanks with minimal fuss.
Pearl Gourami
FishTrichopodus leerii
One of the gentlest gouramis, draped in a galaxy of pearlescent spots.
Pearl Gourami
FishTrichogaster leeri
A lace-patterned gourami with feeler fins and a gentle disposition.
Penang Betta
FishBetta pugnax
A forest stream betta with a gentler side and fascinating mouthbrooding behavior.
Penguin Flying Fox
FishCrossocheilus nigriloba
The 'penguin flying fox' whose bold stripe breaks into spots under stress
Pentazona Barb
FishDesmopuntius hexazona
A dainty six-banded barb that thrives in big, lively groups
Pentazona Barb
FishDesmopuntius pentazona
The rarely genuine pentazona barb. Most sold are actually its twin species.
Peppermint Pikehead Gourami
FishLuciocephalus aura
A Sumatran swamp predator that breathes air and strikes with lightning speed.
Pikehead
FishLuciocephalus pulcher
A pike-like gourami relative from blackwater forests, built for ambush.
Pinky Loach
FishLepidocephalus macrochir
A shy, rarely traded loach that does best with gentle companions and a soft substrate.
Pontian Betta
FishBetta pulchra
A secretive peat swamp betta that broods its young in the father's mouth.
Princess Carplet
FishAmblypharyngodon chulabhornae
A tiny, peaceful Thai schooling fish that rarely makes it into the hobby.
Puntius Sp. Pearlscale
FishPethia stoliczkana
A peaceful schooling barb from mainland Southeast Asia, best kept in numbers.
Purple Cypris
FishDevario sp. "Purple Cypris"
A rare schooling danionid with bold lateral bars and competitive male displays.
Purple Passion Danio
FishBrachydanio rosea
A peaceful, colorful little danio that thrives in numbers and suits any community setup.
Pygmy Rasbora
FishBoraras maculatus
A pea-sized schooling fish that rewards patience with dazzling group displays.
Queen Danio
FishDevario regina
A bold, deep-bodied danionid that thrives in fast-moving company.
Rainbow Prigi
FishHypseleotris guentheri
A small Pacific stream goby comfortable in fresh, brackish, or salt water.
Rainbow Shark
FishEpalzeorhynchos frenatus
A bold, territorial bottom-dweller with vivid red fins and a big personality.
Raja Betta
FishBetta raja
A wild Sumatran mouthbrooder with dramatic fins and a gentle personality.
Red-backed Paradisefish
FishMacropodus erythropterus
A rarely traded Vietnamese paradisefish with red fins and a complex identity
Red Badis
FishBadis ruber
A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.
Redeye Puffer
FishCarinotetraodon lorteti
A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.
Red-finned Loach
FishYasuhikotakia lecontei
A sociable loach with complex group dynamics and real personality to match.
Redfin River Barb
FishCyclocheilichthys janthochir
A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.
Red Fin Shark
FishEpalzeorhynchos munense
A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.
Red Rainbowfish
FishGlossolepis incisus
A deep-bodied red rainbow that rewards group keeping with dazzling male displays.
Red-striped Rainbowfish
FishMelanotaenia splendida rubrostriata
A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.
Red-striped Rasbora
FishRasbora pauciperforata
A slender, red-striped schooler that thrives in soft, tannin-rich blackwater setups.
Redtail Barb
FishDischerodontus ashmeadi
A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.
Red-tailed Black Shark
FishCyclocheilos enoplos
A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.
Red Tail Shark
FishEpalzeorhynchos bicolor
Bold looks, bolder attitude. This Thai native demands respect in any tank.
Red-tail Tinfoil Barb
FishBarbonymus altus
A bold, active schooling barb that quickly outgrows most home aquariums.
Reticulated Flying Fox
FishCrossocheilus reticulatus
A fishnet-patterned grazer that thrives in a lively, well-matched community.
Reticulated Hillstream Loach
FishSewellia lineolata
A bold hillstream loach with bold patterning and surprisingly easy breeding.