Estuarine Perch
Sander marinus
- Least concern
- Card rarity: Common
- Fish

Sander marinus, the estuarine perch, sea pikeperch or sea zander, is a species of brackish water ray-finned fish belonging to the family Percidae which includes the perches, ruffes and darters. It is found in eastern Europe in the Black Sea and the Caspian Sea.
Classification
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Percidae
- Genus
- Sander