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
Irian Rainbowfish
FishMelanotaenia irianjaya
A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.
Jaguar Loach
FishYasuhikotakia splendida
A rare Mekong loach with bold spots, yellow fins, and fascinating social rituals.
Japanese medaka
FishOryzias latipes
The first vertebrate to mate in space, now a rewarding nano fish for patient keepers.
Java Barb
FishBarbonymus gonionotus
A large, active schooling barb that needs space and robust tank companions.
Java Combtail
FishBelontia hasselti
A large, territorial labyrinth fish that rewards patient, experienced keepers.
Javaen Barb
FishSystomus orphoides
A boisterous, patterned barb that needs bold tankmates and room to roam.
Java Fern
PlantMicrosorum pteropus
A tough, adaptable fern that thrives even when most plants would give up.
Java Fern
PlantMicrosorum pteropus 'Narrow'
A slender-leaved Java fern variety that attaches itself to wood and stone.
Java Fightingfish
FishBetta picta
A mild-mannered mouthbrooding betta that makes the whole genus look bad by comparison.
Java Moss
PlantTaxiphyllum barbieri
The toughest, most versatile moss in the freshwater hobby.
Javan Ricefish
FishOryzias javanicus
A surface-dwelling ricefish with surprisingly complex spawning behavior, rarely seen for sale.
Kabili Bumblebee Goby
FishBrachygobius kabiliensis
Tiny bumblebee-patterned goby from Borneo's mangroves, surprisingly manageable for new keepers.
Kapuas Betta
FishBetta krataios
A tiny mouthbrooding betta from Borneo's blackwater streams, best kept in quiet company.
Karnataka Labeo
FishLabeo calbasu
A large, algae-grazing river fish best appreciated outside the home aquarium.
Kissing Gourami
FishHelostoma temminkii
The infamous 'kissing fish' hides a complicated personality behind its pucker.
Krabi Mouth Brooding Betta
FishBetta simplex
A rare mouth-brooding betta from Thailand's limestone streams, peaceful by betta standards.
Kubuna Hardyhead
FishCraterocephalus randi
A slender, active schooler from the clear streams of New Guinea.
Kuhli Loach
FishPangio kuhlii
The eel-like bottom dweller that disappears for weeks and reappears at midnight.
Kuhli Loach
FishPangio cuneovirgata
A rare kuhli lookalike from blackwater peat swamps, seldom seen outside expert collections.
Kuhli Loach
FishPangio filinaris
A slender, plain-bodied eel loach from the forested streams of peninsular Malaysia.
Kuhli Loach
FishPangio malayana
A slender kuhli loach relative that travels incognito in mixed shipments
Kuhli Loach
FishPangio piperata
A speckled, secretive kuhli loach that turns up as a mystery in mixed shipments.
Kuhli Loach
FishPangio sp. "PAN03"
A mystery kuhli loach from Borneo that science hasn't named yet.
Lake Inle Red-tailed Loach
FishPetruichthys brevis
A tiny loach from Myanmar's famous Inle Lake, best kept in groups.
Lake Kurumoi Rainbowfish
FishMelanotaenia parva
A rare mountain lake gem that puts on a show at feeding time.
Lambchop Rasbora
FishTrigonostigma espei
A copper-bodied schooler whose distinctive lambchop marking sets it apart from look-alikes.
Lancer Catfish
FishBagrichthys macracanthus
A nocturnal lancer catfish with territorial attitude and a dramatic dorsal spine.
Lancer Catfish
FishBagrichthys majusculus
A secretive Thai catfish with territorial attitude and a spine worth respecting.
Largescaled Rasbora
FishRasbora paucisqualis
A tiny forest stream rasbora from the Mekong, rarely seen outside scientific collections.
Least Rasbora
FishBoraras urophthalmoides
Tiny, timid, and full of personality when kept in a proper group.
Leavelli Goby
FishRhinogobius leavelli
A compact, bold goby from Southeast Asian streams, surprisingly easy to keep.
Lemon
FishTanichthys sp. "Vietnam"
A tiny Vietnamese rarity with bright yellow fins and big schooling personality.
Lemon Fin Barb
FishHypsibarbus vernayi
A large, lemon-finned schooling barb often mislabeled in the trade.
Lemon Fin Barb
FishHypsibarbus wetmorei
A long-lived, large barb that needs space and good company to thrive.
Leopard Danio (Tank-Bred)
FishDanio frankei
A bold little schooler that brings constant movement to planted tanks.
Lesser Silver Mud Carp
FishGymnostomus lobatus
A plain silver minnow that moves in millions through the Mekong every year.