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.

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