It is an endoparasite of the European perch. Species include trout, salmon, and European perch. Most recently it was artificially seeded with European perch. The reservoir was recently seeded artificially with European perch. Lake Esrum have a large population of European perch and Northern pike. They are the northern pike, roach, stone loach, European perch, and minnow. Llyn Bedydd contains common bream, common rudd, common carp, European perch, tench and common roach. European perch is fished for food and game fishing. European perch can vary greatly in size between bodies of water. Local fish include Wels catfish, European perch, Common carp, Common barbel. European perch are greenish with red pelvic, anal and caudal fins. Another diverse group are the Perciformes (European perch, zander, ruffe, sand goby). Traditionally, the fish used in kalakukko is either vendace (), or European perch (). The European perch lives in slow-flowing rivers, deep lakes and ponds. Siberian dace ("Leuciscus baicalensis"), and the European perch ("Perca fluviatilis").