Priacanthidae
Arrow bulleye
Priacanthus sagittarius
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.
Priacanthidae
Priacanthus sagittarius
Callionymidae
Callionymus sagitta
Stomiidae
Tactostoma macropus
Nemacheilidae
Nemacheilus masyae
Centrophoridae
Deania profundorum
Cyprinidae
Pao suvattii
Pleuronectidae
Atheresthes stomias
Macrouridae
Ventrifossa atherodon
Synodontidae
Synodus doaki
Cyprinidae
Dawkinsia arulius
Percidae
Etheostoma cinereum
Akysidae
Acrochordonichthys rugosus
Gobiidae
Acanthogobius stigmothonus
Bagridae
Pseudomystus siamensis
Chaetodontidae
Chaetodon argentatus
Bagridae
Chandramara chandramara
Gobiidae
Periophthalmodon septemradiatus
Blenniidae
Omobranchus fasciolatoceps
Bagridae
Hemibagrus variegatus
Siluridae
Silurichthys indragiriensis
Hemiramphidae
Hyporhamphus intermedius
Bagridae
Hemibagrus hoevenii
Bagridae
Hemibagrus nemurus
Bagridae
Hemibagrus wyckioides
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.