Khanka gudgeon

The Khanka gudgeon (Squalidus chankaensis) is a species of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons.^[2] This species is an East Asian freshwater fish that occurs from the Amur basin in Russia, through China, Mongolia and Japan, to Vietnam. It reaches up to 13.6 cm (5.4 in) in total length.^[3]

Khanka gudgeon
Squalidus chankaensis biwae of Lake Biwa, Japan
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Suborder:	Cyprinoidei
Family:	Gobionidae
Genus:	Squalidus
Species:	S. chankaensis
Binomial name
Squalidus chankaensis Dybowski, 1872
Synonyms[2]
Gnathopogon chankaensis (Dybowski, 1872) Gobio biwae D. S. Jordan & Snyder, 1900 Gnathopogon biwae (D. S. Jordan & Snyder, 1900) Gobio ussuriensis Berg, 1914