Aquariumpro
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RegionFreshwaterBrackish

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

Peaceful Betta

Fish

Betta imbellis

The gentler betta. Males can sometimes share a tank if given enough cover.

Pearl Danio

Pearl Danio

Fish

Danio albolineatus

A shimmering, active schooler that thrives in community tanks with minimal fuss.

Pearl Gourami

Pearl Gourami

Fish

Trichopodus leerii

One of the gentlest gouramis, draped in a galaxy of pearlescent spots.

Pearl Gourami

Pearl Gourami

Fish

Trichogaster leeri

A lace-patterned gourami with feeler fins and a gentle disposition.

Penang Betta

Penang Betta

Fish

Betta pugnax

A forest stream betta with a gentler side and fascinating mouthbrooding behavior.

Penguin Flying Fox

Penguin Flying Fox

Fish

Crossocheilus nigriloba

The 'penguin flying fox' whose bold stripe breaks into spots under stress

Pentazona Barb

Pentazona Barb

Fish

Desmopuntius hexazona

A dainty six-banded barb that thrives in big, lively groups

Pentazona Barb

Pentazona Barb

Fish

Desmopuntius pentazona

The rarely genuine pentazona barb. Most sold are actually its twin species.

Peppermint Pikehead Gourami

Peppermint Pikehead Gourami

Fish

Luciocephalus aura

A Sumatran swamp predator that breathes air and strikes with lightning speed.

Pikehead

Pikehead

Fish

Luciocephalus pulcher

A pike-like gourami relative from blackwater forests, built for ambush.

Pinky Loach

Pinky Loach

Fish

Lepidocephalus macrochir

A shy, rarely traded loach that does best with gentle companions and a soft substrate.

Pontian Betta

Pontian Betta

Fish

Betta pulchra

A secretive peat swamp betta that broods its young in the father's mouth.

Princess Carplet

Princess Carplet

Fish

Amblypharyngodon chulabhornae

A tiny, peaceful Thai schooling fish that rarely makes it into the hobby.

Puntius Sp. Pearlscale

Puntius Sp. Pearlscale

Fish

Pethia stoliczkana

A peaceful schooling barb from mainland Southeast Asia, best kept in numbers.

Purple Cypris

Purple Cypris

Fish

Devario sp. "Purple Cypris"

A rare schooling danionid with bold lateral bars and competitive male displays.

Purple Passion Danio

Purple Passion Danio

Fish

Brachydanio rosea

A peaceful, colorful little danio that thrives in numbers and suits any community setup.

Pygmy Rasbora

Pygmy Rasbora

Fish

Boraras maculatus

A pea-sized schooling fish that rewards patience with dazzling group displays.

Queen Danio

Queen Danio

Fish

Devario regina

A bold, deep-bodied danionid that thrives in fast-moving company.

Rainbow Prigi

Rainbow Prigi

Fish

Hypseleotris guentheri

A small Pacific stream goby comfortable in fresh, brackish, or salt water.

Rainbow Shark

Rainbow Shark

Fish

Epalzeorhynchos frenatus

A bold, territorial bottom-dweller with vivid red fins and a big personality.

Raja Betta

Raja Betta

Fish

Betta raja

A wild Sumatran mouthbrooder with dramatic fins and a gentle personality.

Red-backed Paradisefish

Red-backed Paradisefish

Fish

Macropodus erythropterus

A rarely traded Vietnamese paradisefish with red fins and a complex identity

Red Badis

Red Badis

Fish

Badis ruber

A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.

Redeye Puffer

Redeye Puffer

Fish

Carinotetraodon lorteti

A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.

Red-finned Loach
✨AI

Red-finned Loach

Fish

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Redfin River Barb

Redfin River Barb

Fish

Cyclocheilichthys janthochir

A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.

Red Fin Shark

Red Fin Shark

Fish

Epalzeorhynchos munense

A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.

Red Rainbowfish

Red Rainbowfish

Fish

Glossolepis incisus

A deep-bodied red rainbow that rewards group keeping with dazzling male displays.

Red-striped Rainbowfish
✨AI

Red-striped Rainbowfish

Fish

Melanotaenia splendida rubrostriata

A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.

Red-striped Rasbora

Red-striped Rasbora

Fish

Rasbora pauciperforata

A slender, red-striped schooler that thrives in soft, tannin-rich blackwater setups.

Redtail Barb

Redtail Barb

Fish

Discherodontus ashmeadi

A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.

Red-tailed Black Shark

Red-tailed Black Shark

Fish

Cyclocheilos enoplos

A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.

Red Tail Shark

Red Tail Shark

Fish

Epalzeorhynchos bicolor

Bold looks, bolder attitude. This Thai native demands respect in any tank.

Red-tail Tinfoil Barb

Red-tail Tinfoil Barb

Fish

Barbonymus altus

A bold, active schooling barb that quickly outgrows most home aquariums.

Reticulated Flying Fox

Reticulated Flying Fox

Fish

Crossocheilus reticulatus

A fishnet-patterned grazer that thrives in a lively, well-matched community.

Reticulated Hillstream Loach

Reticulated Hillstream Loach

Fish

Sewellia lineolata

A bold hillstream loach with bold patterning and surprisingly easy breeding.