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

Green Neon Rasbora

Green Neon Rasbora

Fish

Microdevario kubotai

A tiny Thai schooler that glows neon green in a well-planted tank.

Green Riffle Goby

Green Riffle Goby

Fish

Stiphodon elegans

A jewel-toned goby built for fast, crystal-clear rainforest streams.

Greenthroat Betta
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Greenthroat Betta

Fish

Betta chloropharynx

A tiny wild betta from blackwater leaf litter pools, with a throat like no other.

Grey Featherback

Grey Featherback

Fish

Notopterus notopterus

A nocturnal predator that outgrows most home aquariums faster than expected.

Hampala Barb

Hampala Barb

Fish

Hampala macrolepidota

A two-foot predatory barb that's more river monster than aquarium fish.

Harlequin Rasbora

Harlequin Rasbora

Fish

Trigonostigma heteromorpha

A timeless community fish with a bold black wedge marking that never goes out of style.

Head And Tail Light Rasbora

Head And Tail Light Rasbora

Fish

Kottelatia brittani

A rare, monotypic rasbora relative with vivid caudal markings and a gentle nature.

Hi-spot Rasbora

Hi-spot Rasbora

Fish

Rasbora dorsiocellata

A neat, small rasbora with a bold dorsal spot that catches the eye.

Homaloptera Hoffmani

Homaloptera Hoffmani

Fish

Liniparhomaloptera disparis

A tiny mountain stream hillstream loach with surprisingly bold territorial behavior.

Hong Kong Labyrinthfish

Hong Kong Labyrinthfish

Fish

Macropodus hongkongensis

A rare Hong Kong labyrinthfish with fierce personality packed into a small frame.

Horse Face Loach

Horse Face Loach

Fish

Acantopsis choirorhynchos

A burrowing, long-snouted loach that vanishes into the sand and rarely looks back.

Hovering Zebra Loach
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Hovering Zebra Loach

Fish

Micronemacheilus cruciatus

A tiny Vietnamese loach that hovers in midwater and thrives in groups

Hovering Zebra Loach
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Hovering Zebra Loach

Fish

Yunnanilus cruciatus

A tiny Vietnamese loach that hovers in open water, unlike most of its relatives.

Ibanorum Betta

Ibanorum Betta

Fish

Betta ibanorum

A blackwater mouthbrooder from Borneo that rewards patient, dedicated keepers.

Indian Chaca

Indian Chaca

Fish

Chaca chaca

A living lure: the ambush catfish that fishes for its own dinner.

Indian Glass Perch

Indian Glass Perch

Fish

Parambassis ranga

A living x-ray fish whose transparent body reveals its skeleton and organs.

Indian Hatchet Fish

Indian Hatchet Fish

Fish

Laubuka laubuca

A schooling surface-dweller with a genuinely tangled identity across Asia.

Indochinese Needlefish

Indochinese Needlefish

Fish

Xenentodon canciloides

A freshwater needlefish that's calmer than its needle-filled grin suggests.

Indonesian Snakehead

Indonesian Snakehead

Fish

Channa micropeltes

A genuinely massive predator that outgrows most home aquariums before you know it.

Irian Rainbowfish

Irian Rainbowfish

Fish

Melanotaenia irianjaya

A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.

Jaguar Loach

Jaguar Loach

Fish

Yasuhikotakia splendida

A rare Mekong loach with bold spots, yellow fins, and fascinating social rituals.

Japanese medaka

Japanese medaka

Fish

Oryzias latipes

The first vertebrate to mate in space, now a rewarding nano fish for patient keepers.

Java Barb

Java Barb

Fish

Barbonymus gonionotus

A large, active schooling barb that needs space and robust tank companions.

Java Combtail

Java Combtail

Fish

Belontia hasselti

A large, territorial labyrinth fish that rewards patient, experienced keepers.

Javaen Barb

Javaen Barb

Fish

Systomus orphoides

A boisterous, patterned barb that needs bold tankmates and room to roam.

Java Fightingfish

Java Fightingfish

Fish

Betta picta

A mild-mannered mouthbrooding betta that makes the whole genus look bad by comparison.

Javan Ricefish
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Javan Ricefish

Fish

Oryzias javanicus

A surface-dwelling ricefish with surprisingly complex spawning behavior, rarely seen for sale.

Kabili Bumblebee Goby

Kabili Bumblebee Goby

Fish

Brachygobius kabiliensis

Tiny bumblebee-patterned goby from Borneo's mangroves, surprisingly manageable for new keepers.

Kapuas Betta

Kapuas Betta

Fish

Betta krataios

A tiny mouthbrooding betta from Borneo's blackwater streams, best kept in quiet company.

Karnataka Labeo

Karnataka Labeo

Fish

Labeo calbasu

A large, algae-grazing river fish best appreciated outside the home aquarium.

Kissing Gourami

Kissing Gourami

Fish

Helostoma temminkii

The infamous 'kissing fish' hides a complicated personality behind its pucker.

Krabi Mouth Brooding Betta

Krabi Mouth Brooding Betta

Fish

Betta simplex

A rare mouth-brooding betta from Thailand's limestone streams, peaceful by betta standards.

Kubuna Hardyhead
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Kubuna Hardyhead

Fish

Craterocephalus randi

A slender, active schooler from the clear streams of New Guinea.

Kuhli Loach

Kuhli Loach

Fish

Pangio kuhlii

The eel-like bottom dweller that disappears for weeks and reappears at midnight.

Kuhli Loach

Kuhli Loach

Fish

Pangio cuneovirgata

A rare kuhli lookalike from blackwater peat swamps, seldom seen outside expert collections.

Kuhli Loach

Kuhli Loach

Fish

Pangio filinaris

A slender, plain-bodied eel loach from the forested streams of peninsular Malaysia.