Korean southern gudgeon

The Korean southern gudgeon (Microphysogobio koreensis) is an endangered species of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons.^[2] This species is endemic to South Korea,^[1][3] where it is found in the Nakdong River and Seomjin River catchments, in the middle and upper reaches of the river where the current is fast and at bottoms that are gravelly and sandy. ts principal diet is algae.^[4]

Korean southern gudgeon
(preserved specimen NRM-Fish:15573)
Conservation status
Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Suborder:	Cyprinoidei
Family:	Gobionidae
Genus:	Microphysogobio
Species:	M. koreensis
Binomial name
Microphysogobio koreensis Mori, 1935

It is an endangered species because of its rapid decrease due to river construction works and water pollution.^[4]

Its appearance is very like that of the Microphysogobio yaluensis, but it is slightly larger.^[4]