Callionymidae
Smallhead dragonet
Callionymus erythraeus
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.
Callionymidae
Callionymus erythraeus
Trichiuridae
Eupleurogrammus muticus
Gasterosteidae
Gasterosteus microcephalus
Ateleopodidae
Parateleopus indicus
Bathymasteridae
Bathymaster leurolepis
Holocentridae
Sargocentron microstoma
Polynemidae
Polydactylus microstoma
Toxotidae
Toxotes microlepis
Albulidae
Albula oligolepis
Bembropidae
Bembrops nelsoni
Cyprinidae
Cirrhinus microlepis
Pinguipedidae
Parapercis robinsoni
Trachichthyidae
Hoplostethus melanopus
Alepocephalidae
Bathytroctes microlepis
Alepocephalidae
Leptochilichthys microlepis
Cynoglossidae
Cynoglossus microlepis
Labridae
Leptojulis polylepis
Cyprinidae
Plagiognathops microlepis
Epinephelidae
Epinephelus polylepis
Ostraciidae
Tetrosomus reipublicae
Muraenidae
Gymnothorax microstictus
Carangidae
Trachinotus baillonii
Siluridae
Ompok rhadinurus
Carcharhinidae
Carcharhinus porosus
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.