Arhynchobatidae
dark-belly skate
Bathyraja meridionalis
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.
Arhynchobatidae
Bathyraja meridionalis
Pomacentridae
Pycnochromis atripes
Pomacentridae
Chromis hangganan
Kuhliidae
Kuhlia marginata
Ophichthidae
Ophichthus cephalozona
Exocoetidae
Cypselurus hexazona
Plotosidae
Plotosus limbatus
Apogonidae
Apogon seminigracaudus
Labridae
Scarus fuscocaudalis
Tripterygiidae
Helcogramma aquila
Moridae
Physiculus nigrescens
Mullidae
Parupeneus barberinus
Blenniidae
Blenniella interrupta
Lumpenidae
Leptoclinus maculatus
Syngnathidae
Bulbonaricus davaoensis
Cyprinidae
Xenocypris davidi
Nemipteridae
Nemipterus aurora
Gobiidae
Vanderhorstia dawnarnallae
Cyprinidae
Barilius evezardi
Ambassidae
Parambassis dayi
Gobiidae
Acentrogobius dayi
Bagridae
Mystus bleekeri
Gobiidae
Trimma meranyx
Stomiidae
Stomias nebulosus
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.