Mud Sunfish
Acantharchus pomotis
- Least concern
- Card rarity: Common
- Fish

The mud sunfish is a freshwater ray-finned fish, a sunfish from the family Centrarchidae, which widely distributed in the fresh waters along the Atlantic coast of North America, ranging from New York to Alabama. It is the only species in the genus Acantharchus.
Classification
- Class
- Actinopterygii
- Order
- Centrarchiformes
- Family
- Centrarchidae
- Genus
- Acantharchus