Scyliorhinidae
Indian swellshark
Cephaloscyllium silasi
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.
Scyliorhinidae
Cephaloscyllium silasi
Polynemidae
Leptomelanosoma indicum
Carangidae
Scyris indica
Balistidae
Melichthys indicus
Chaetodontidae
Chaetodon decussatus
Hapalogenyidae
Hapalogenys bengalensis
Muraenidae
Gymnothorax smithi
Liparidae
Careproctus cypselurus
Antigoniidae
Antigonia rubescens
Scombridae
Scomberomorus guttatus
Bothidae
Taeniopsetta ocellata
Pomacentridae
Abudefduf vaigiensis
Ophichthidae
Scolecenchelys gymnota
Megalopidae
Megalops cyprinoides
Gobiidae
Favonigobius reichei
Bothidae
Chascanopsetta prognatha
Notopteridae
Chitala blanci
Belonidae
Xenentodon canciloides
Squatinidae
Squatina legnota
Pomacentridae
Pomacentrus melanochir
Gobiidae
Trypauchenichthys sumatrensis
Notopteridae
Chitala borneensis
Exocoetidae
Cheilopogon katoptron
Gobiidae
Mugilogobius platystoma
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.