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Email :
Text and photos by Nick Baker, unless credited to others.
Copyright © Ecology Asia 2026 |
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Freshwater fishes of Southeast Asia |
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Awareness of the amazing diversity of Southeast Asia's
marine habitat is high; coral reefs, for example,
are highly photogenic. The diversity of freshwater aquatic systems,
such as forest streams, swamps, pools and lakes is much less appreciated.
The fish diversity illustrated on this web page serves as a introduction to
this incredible diversity.
All images in this section are taken in natural habitat;
the perspective is that of an observer standing
next to a forest stream peering down into the
water.
On this page, the names of non-native fish species introduced into the
region are in
yellow.
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Bonytongues (Osteoglossiformes :
Notopteridae, Osteoglossidae) |
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Bronze Featherback
Notopterus notopterus |
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Asian Arowana
Scleropages formosus |
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Barbs - larger species (Cypriniformes :
Cyprinidae) |
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Tinfoil Barb
Barbonymus schwanefeldii |
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Sebarau (Hampala)
Hampala macrolepidota |
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Lemon Fin Barb
Hypsibarbus wetmorei |
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Kelah (Malayan Mahseer)
Tor tambroides |
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Barbs - smaller species (Cypriniformes :
Cyprinidae) |
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Bigspot or Clown Barb
Barbodes dunckeri
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Indochinese Spotted Barb
Barbodes rhombeus
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Saddle Barb
Barbodes sellifer
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Torrent Barb
Mystacoleucus marginatus
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Bony-lipped Barb
Osteochilus vittatus |
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Waandersii's Bony-lipped Barb - O. waandersii |
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Bornean Spotted Barb
Puntius sealei |
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Spanner Barb
Striuntius lateristriga |
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Striped Barb
Desmopuntius johorensis |
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Tiger barbs (Cypriniformes :
Cyprinidae) |
Algae Eaters (Cypriniformes :
Cyprinidae) |
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Six-banded Tiger Barb
Desmopuntius hexazona |
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Sumatran Tiger Barb
Puntigrus tetrazona |
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Red Algae Eater
Crossocheilus langei |
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Rasboras (Cypriniformes :
Danionidae) |
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Malayan Pygmy Rasbora
Boraras maculatus
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Rosefin Rasbora
Rasbora dusonensis
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Einthoven's Rasbora
Rasbora einthovenii
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Two-spot Rasbora
Rasbora elegans
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Blacktip Rasbora
Rasbora vulgaris
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Harlequin Rasbora
Trigonostigma heteromorpha |
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Danios (Cypriniformes :
Danionidae) |
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Pearl Danio
Danio albolineatus
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Queen Danio
Devario regina
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Shark-minnows (Cypriniformes :
Danionidae) |
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Apollo Shark-minnow
Luciosoma setigerum |
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Loaches (Cypriniformes : Nemacheilidae,
Cobitidae) |
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Grey-banded Loach
Nemacheilus selangoricus |
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Spotted Eel-loach
Pangio muraeniformis |
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Catfishes (Siluriformes : Siluridae, Clariidae)
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Hasselt's Leaf Catfish
Silurichthys hasseltii |
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Common Walking Catfish
Clarias batrachus |
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Forest Walking Catfish
Clarias leiacanthus |
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Slender Walking Catfish
Clarias nieuhofii |
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Swamp
eels & spiny eels (Synbranchiformes : Mastacembelidae,
Synbranchidae)
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Asian Swamp Eel
Monopterus javanensis |
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Buff-backed Spiny Eel
Macrognathus maculatus |
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Zebra Spiny Eel
Macrognathus zebrinus |
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Toothcarps (Cyprinodontiformes : Aplocheilidae,
Poeciliidae) |
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Whitespot
Aplocheilus panchax |
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Guppy
Poecilia reticulata |
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Common Molly
Poecilia sphenops |
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Freshwater halfbeaks & needlefishes (Beloniformes : Belonidae,
Zenarchopteridae)
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Freshwater Needlefish
Xenentodon canciloides |
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Pygmy Halfbeak
Dermogenys collettei |
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Forest Halfbeak
Hemirhamphodon pogonognathus |
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Leaf fishes (Anabantiformes : Nandidae) |
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Malayan
Leaf Fish
Nandus nebulosus |
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Climbing gouramies (Anabantiformes
: Anabantidae) |
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Asian Climbing Perch
Anabas testudineus |
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Bettas, gouramies, pikeheads (Anabantiformes
: Osphronemidae) |
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Forest Betta
Betta pugnax |
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Giant Gouramy
Osphronemus goramy |
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Three-spot Gouramy
Trichopodus trichopterus |
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Croaking Gouramy
Trichopsis vittata |
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Malayan Pikehead
Luciocephalus pulcher |
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Snakeheads (Anabantiformes : Channidae) |
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Dwarf Snakehead
Channa limbata |
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Forest
Snakehead
Channa lucius |
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Black
Snakehead
Channa melasoma |
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Giant
Snakehead or Toman
Channa micropeltes |
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Common
Snakehead, Aruan
Channa striata |
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Commonly introduced cichlids (Perciformes :
Cichlidae) |
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Peacock
Bass
Cichla orinocensis / temensis
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Eartheater
Cichlid
Geophagus altifrons
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Common
Tilapia
Oreochromis mossambicus
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