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Awareness of the amazing diversity of Southeast Asia's tropical reef fishes is high - coral reefs
are highly photogenic. The diversity of other tropical aquatic systems,
such as freshwater (forest streams, pools, lakes etc.) and brackish water
(estuarine or mangrove habitat) is less appreciated : this section of
Ecology Asia focuses on fishes from such habitats. The boundary between
brackish water and open-marine species is somewhat vague, however, as some mangrove species
enter open seas, and conversely many open-marine fish species enter mangrove
areas to spawn.
All images in this section are, as always, taken in natural habitat - no captive specimens
are photographed. Thus, the perspective of these images is that of a
viewer on a forest trail peering down into a crystal clear stream, or on a
boardwalk winding through mangrove. Species such as the
Harlequin Rasbora and Three Spot
Gouramy are well known for their beauty, but others such as the
Forest Betta (a cousin of the Siamese
Fighting Fish) are less well known.
The most bizarre fishes in this section are the mangrove-dwelling mudskippers,
such as the Blue-spotted Mudskipper,
which are able to endure long periods out of water.
Note : On this page, names of freshwater fish species are in
green,
those occurring mainly in brackish water
are in
orange,
and marine species in
blue. |
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Barbs, Carps, Rasboras, Loaches (Cypriniformes) |
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Tinfoil Barb
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Apollo Shark-minnow
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Hard-lipped Barb
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Waandersii's Hard-lipped Barb
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Saddle Barb
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Six-banded Tiger Barb
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Spanner Barb
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Bornean Spotted Barb
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Krai
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Rosefin Rasbora
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Einthoven's Rasbora
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Two-spot Rasbora
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Harlequin Rasbora
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Pygmy Rasbora
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Grey-banded Loach
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Spotted Eel-loach
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Hasselt's Leaf Catfish
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Common Walking Catfish
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Forest Walking Catfish
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Slender Walking Catfish
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Garfishes, Halfbeaks, Ricefishes (Beloniformes)
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Slender
Needlefish
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Freshwater Needlefish
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Pygmy Halfbeak
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Forest Halfbeak
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Stripe-nosed Halfbeak
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Javanese Ricefish
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Toothcarps (Cyprinodontiformes) |
Swamp Eels (Synbranchiformes) |
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Whitespot
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Asian Swamp Eel
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Leaf Fishes, Gouramies, Fighting Fishes, Pikeheads,
Snakeheads, Archer Fishes (Perciformes) |
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Malayan
Leaf Fish
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Asian Climbing Perch
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Forest Betta
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Three-spot Gouramy
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Croaking Gouramy
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Malayan Pikehead
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Dwarf Snakehead
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Forest
Snakehead
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Black
Snakehead
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Giant
Snakehead or Toman
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Snakehead or Aruan
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Banded Archerfish
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Mangrove Jack
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Glass Perchlets
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Dragonets
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Gudgeons, Gobies and Mudskippers (Perciformes :
Eleotridae and Gobiidae) |
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Snakehead Gudgeon
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Marbled
Gudgeon
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Common Frill-fin Goby
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Golden Flat-head Goby
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Oriental
River Goby
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Blue-spotted Mudskipper
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Gt. Blue-spotted Mudskipper
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Giant Mudskipper
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Silver-lined Mudskipper
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Gold-spotted Mudskipper
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Dusky-gilled Mudskipper
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Yellow-spotted Mudskipper
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Elongate Mudskipper
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Mullets (Mugiliformes : Mugilidae) |
Puffers, Filefishes (Tetraodontiformes)
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Mullets
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Narrow-lined Pufferfish
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Filefishes
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Commonly introduced non-Southeast Asian species : |
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Peacock
Bass
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Eartheater
Cichlid
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Common
Tilapia
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Guppy
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