Aquariumpro
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RegionFreshwaterBrackish

Asia

The rivers and rice paddies of Southeast and South Asia give us rasboras, barbs, gouramis, danios, loaches, and a whole world of community fish.

683 species · freshwater

Neon Highfin Barb

Neon Highfin Barb

Fish

Oreichthys crenuchoides

A tiny barb with a sail-like dorsal fin and surprisingly complex social dynamics.

Nilgiri Danio
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Nilgiri Danio

Fish

Devario neilgherriensis

A rarely seen Indian hill stream danio with iridescent blue and yellow flanks.

Nilgiri Mystus
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Nilgiri Mystus

Fish

Hemibagrus punctatus

A rare, spot-flanked Indian catfish built for serious catfish specialists only.

Noble Gourami

Noble Gourami

Fish

Ctenops nobilis

The noble gourami: a labyrinth fish that spits its eggs straight into dad's mouth.

Northern Snakehead

Northern Snakehead

Fish

Channa argus

A true apex predator that can survive days out of water. And is banned in many countries.

Ocellated Featherback

Ocellated Featherback

Fish

Chitala ornata

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

Ocellated Snakehead

Ocellated Snakehead

Fish

Channa pleurophthalma

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

Odessa Barb

Odessa Barb

Fish

Pethia padamya

A barb with a mysterious past and males that blaze red when rivals are near.

Olive danio

Olive danio

Fish

Danio dangila

A large, active danio with impressively long barbels and a rarely seen wild side.

One Spot Mouthbrooder

One Spot Mouthbrooder

Fish

Betta unimaculata

A mouthbrooding Betta from Borneo that bucks the aggressive stereotype entirely.

One-stripe Spiny Eel

One-stripe Spiny Eel

Fish

Macrognathus aculeatus

A serpentine burrower with a single bold stripe and a secretive personality.

Opsarius ardens

Opsarius ardens

Fish

Barilius ardens

A fast-moving Western Ghats minnow that needs space, speed, and bold companions.

Opsarius malabaricus

Opsarius malabaricus

Fish

Barilius malabaricus

A fast, bold river minnow from India's Western Ghats that needs room to move.

Orange Chromide

Orange Chromide

Fish

Etroplus maculatus

The only cichlid native to India, with a fascinating cleaning-fish side hustle.

Orange-fin Stiphodon

Orange-fin Stiphodon

Fish

Stiphodon maculidorsalis

A tiny Indonesian stream goby with bold dorsal markings worth seeking out.

Orange Poso Rabbit Snail
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Orange Poso Rabbit Snail

Invert

Tylomelania gemmifera

A slow-moving, long-lived freshwater snail with a face only a hobbyist could love.

Orchid Island Goby

Orchid Island Goby

Fish

Rhinogobius lanyuensis

A tiny island goby from one of Taiwan's most remote corners.

Orinoco sailfin catfish
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Orinoco sailfin catfish

Fish

Pterygoplichthys multiradiatus

A dinosaur-sized algae grazer built for decades of service in large tanks.

Ornate Paradisefish

Ornate Paradisefish

Fish

Malpulutta kretseri

A rare Sri Lankan gem that deserves a species tank all to itself.

Palauan Riffle Goby

Palauan Riffle Goby

Fish

Stiphodon pelewensis

A tiny riffle-dweller that vanishes into the sand when startled.

Panda Barb
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Panda Barb

Fish

Haludaria melanampyx

A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.

Panda Garra

Panda Garra

Fish

Garra flavatra

A boldly patterned Burmese stream fish that's part algae grazer, part personality.

Panda Loach

Panda Loach

Fish

Yaoshania pachychilus

Bold panda stripes as a juvenile, but adults fade to something far subtler.

Pangio Loach
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Pangio Loach

Fish

Pangio pangia

A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.

Pangusia Labeo
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Pangusia Labeo

Fish

Labeo pangusia

A large, fast-water river fish that earns its keep as an algae grazer.

Panther Loach
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Panther Loach

Fish

Acanthocobitis pavonacea

A boldly patterned loach from northeast India that rarely appears in the trade.

Paradise Fish

Paradise Fish

Fish

Macropodus opercularis

One of the first tropical fish ever kept in Europe, and still worth knowing.

Paradise Threadfin
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Paradise Threadfin

Fish

Polynemus paradiseus

Feathery pectoral threads and calm grace from the rivers of South Asia.

Paroon Shark

Paroon Shark

Fish

Pangasius sanitwongsei

A fish that outgrows almost every tank on earth. And most keepers know it too late.

Peaceful Betta

Peaceful Betta

Fish

Betta imbellis

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

Peacock Loach

Peacock Loach

Fish

Lepidocephalichthys annandalei

A rare loach with peacock-patterned tail fins, seldom seen in the trade.

Pea Puffer

Pea Puffer

Fish

Carinotetraodon travancoricus

Tiny, fearless, and smart enough to recognize the person feeding it.

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.

Pearlspot Cichlid

Pearlspot Cichlid

Fish

Etroplus suratensis

India's only native cichlid, with pearl-spotted scales and fascinating parental dedication.