Amur Longnose Gudgeon
Microphysogobio amurensis
- Least concern
- Card rarity: Common
- Fish

The Amur longnose gudgeon is a species of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. This species is endemic to the middle and lower Amur River and Lake Khanka.
Classification
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Gobionidae
- Genus
- Microphysogobio