Hairchin Goby
Sagamia geneionema
- Least concern
- Card rarity: Common
- Fish

Sagamia is a genus of fishes in the subfamily, Gobionellinae. Its only species is Sagamia geneionema. It is native to the coastal waters of Japan and Korea, where it lives near shore in areas with sandy substrates. The species grows to a length of 7.1 centimetres (2.8 in) SL.
Classification
- Class
- Actinopterygii
- Order
- Gobiiformes
- Family
- Oxudercidae
- Genus
- Sagamia