Zander (Sander lucioperca)
The zander (Sander lucioperca), sander or pikeperch, is a species of ray-finned fish from the family Percidae, which includes the perches, ruffes and darters. It is found in freshwater and brackish habitats in western Eurasia. It is a popular game fish and has been introduced to a variety of localities outside its native range. It is the type species of the genus Sander.
In Aquariums and Zoos: Relativly common in european aquariums