Eleotridae
Rainbow prigi
Hypseleotris guentheri
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.
Eleotridae
Hypseleotris guentheri
Dussumieriidae
Dussumieria acuta
Cyprinidae
Epalzeorhynchos frenatum
Labridae
Suezichthys arquatus
Gobiidae
Stiphodon ornatus
Microdesmidae
Parioglossus rainfordi
Gobiidae
Koumansetta rainfordi
Pseudochromidae
Pseudochromis ammeri
Osphronemidae
Betta raja
Gobiidae
Eviota raja
Scorpaenidae
Scorpaenopsis ramaraoi
Epinephelidae
Liopropoma randalli
Blenniidae
Ecsenius randalli
Anthiadidae
Pseudanthias randalli
Antennariidae
Antennarius randalli
Caesionidae
Pterocaesio randalli
Gobiidae
Priolepis randalli
Muraenidae
Gymnothorax randalli
Lutjanidae
Randallichthys filamentosus
Nemipteridae
Nemipterus randalli
Tripterygiidae
Helcogramma randalli
Bythitidae
Ematops randalli
Gobiidae
Trimma randalli
Malacanthidae
Hoplolatilus randalli
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.