The zander (Stizostedion lucioperca or Sander lucioperca) is a freshwater predatory fish of the Percidae family. It lives in running water, ponds that can have salt water with a concentration of up to 1%. From the Urals, Anatolia region from the Caspian Sea, the Black Sea to the Baltic Sea in Western Europe. It is a fish appreciated for its tasty meat.
The shawl has an elongated fusiform body, on the back it has a subdivided characteristic fin, with the front part provided with spikes. The head has a sharp shape, with a wide mouth provided with sharp teeth, the edge of the gills is serrated. The body is covered with scales, with a greenish-gray back, the abdomen being silvery white, and the fins are dotted with dark dots with golden feathers.
The zander is a predatory fish that lives in slow-moving waters, lakes or in the waters of Europe's ports. It can be found in the Elbe, Odra, Rhine, Danube or their tributaries. Prefers deep, cloudy waters, the fish can reach 40 cm - 1.30 m long, a weight up to 19 kg, and an age of 10 - 20 years.Lay the eggs on the bottom of the water, spring from May to June when the water temperature reaches 12 ° C - 15 ° C. The eggs stick to the plants or stones in the water. The male will guard the eggs of other fish, the juvenile becomes capable of reproduction at the age of 2 - 5 years when it reaches a length of 30 - 40 cm.