Volga pikeperch

Volga zander ( Sander volgensis )

The Volga zander or stone Schill ( Sander volgensis, Syn Stizostedion volgensis ) is a fish of the family of the Real perch ( Percidae ).

Features

The fish is smaller than the ordinary Zander. He is a maximum of 40 to 50 inches long and two kilograms. He has dark stripes on the body, which do not dissolve in spots. In the mouth it has no strikingly larger ( catch ) teeth. The whole anterior operculum is covered with scales. Even Francis Willughby had clearly established that there are two types of walleye in the Austrian Danube.

Occurrence

It inhabits the deeper sandy river sections of the Danube, the Volga to the Urals. He likes to hide in dense bank overhangs. Sometimes it is found in brackish water. The pleasant for him water temperature is between 8 and 22 ° C at a pH level between 7,2 and 8.0.

In the Czech Republic the Volga zander is home again only recently. It is seen mainly in the flat portions of the rivers Morava and Thaya.

In the IUCN Red List Sander volgensis is "not endangered" ( " least concern "). 2004, the species was still classified as "low risk" ( " near threatened " ) classified.

Reproduction

The Volga pike spawns from April to May in shallow places. Just like the pike, the male also takes on the Volga zander the brood.

Way of life

On foraging of the Volga zander is usually in the evening or at night. He also takes in the coolest season food, which consists mainly of small fish and crabs. Preferably he captured perch.