Sisoridae
Khavalchor catfish
Pachypterus khavalchor
FISH SPECIES
The aquatic fauna of Asia represents one of the most evolutionarily diverse continental assemblages on Earth, shaped by tectonic collisions, monsoon hydrology, and deep biogeographic divides. Stretching from the subarctic Siberian drainages to the equatorial peat swamps of Sundaland, the continent encompasses thousands of endemic fish species adapted to radically disparate physical environments.
01 / NATURAL HISTORY
Nowhere is the dynamic nature of Asian riverine ecology clearer than in the Mekong River basin. Draining the Tibetan Plateau through six nations before emptying into the South China Sea, the Mekong supports the second-richest freshwater fish fauna in the world after the Amazon, harboring more than a thousand cataloged species.
02 / LIFESTYLE
In Southeast Asia, historical sea levels and tectonic boundaries have produced sharp faunal contrasts across short geographic distances. During Pleistocene glacial maxima, lower sea levels exposed the Sunda Shelf, physically linking modern Borneo, Sumatra, Java, and the Malay Peninsula into a single contiguous landmass known as Sundaland. Freshwater fishes, particularly the species-rich families Cyprinidae (carps and minnows), Siluridae (catfishes), and Osphronemidae (gouramis), expanded freely across ancient river valleys that are now submerged beneath the South China Sea.
OBSERVATION INDEX
03 / SPECIES
Discover representative species illustrating the ecological diversity, morphologies and adaptations of this group.
Sisoridae
Pachypterus khavalchor
Cyprinidae
Puntius sahyadriensis
Badidae
Badis khwae
Nemacheilidae
Oxynoemacheilus kiabii
Soleidae
Aseraggodes kaianus
Sebastidae
Sebastolobus macrochir
Muraenidae
Gymnothorax kidako
Cyprinidae
Aphyocypris kikuchii
Cyprinidae
Acheilognathus barbatulus
Pomacentridae
Chrysiptera rex
Scorpaenidae
Scorpaenopsis gigas
Sparidae
Argyrops spinifer
Cyprinidae
Mirogrex terraesanctae
Salmonidae
Salvelinus japonicus
Stichaeidae
Zoarchias glaber
Helostomatidae
Helostoma temminckii
Bothidae
Laeops kitaharae
Cyprinidae
Devario micronema
Nemacheilidae
Schistura jarutanini
Callionymidae
Synchiropus kiyoae
Nemacheilidae
Oxynoemacheilus samanticus
Cyprinidae
Barbodes klapanunggalensis
Melanotaeniidae
Melanotaenia klasioensis
Mugilidae
Planiliza klunzingeri
04 / FIELD NOTES
No. These are available published records with images, not an exhaustive inventory or a measure of abundance.
Follow the scientific name and source, check the scope of the evidence, and send a correction with the exact claim if needed.