Wild Wonders of Europe / Roggo / Male Pikeperch / Zander (Stizostedion / Sander lucioperca) defending nest, calm part of the Rhine, Schaffhausen, Switzerland, May 2009

Wild Wonders of Europe / Roggo / Male Zander / Pikeperch (Stizostedion / Sander lucioperca) defending nest, with Chub (Leuciscus cephalus) in the distance, calm part of the Rhine, Schaffhausen, Switzerland, May 2009

Michel Roggo / Zander (Stizostedion lucioperca) Europe

Jean E. Roche / Various fish caught in the Camargue lagoons: Zander (Stizostedion lucioperca), Seabream (Sparus aurata), European eel (Anguilla anguilla), Shad (Alosa fallax) France

Wild Wonders of Europe / Roggo / Bream (Abramis brama) and Zander (Sander / Stizostedion lucioperca) shoal in a calm part of the Rhine, Schaffhausen, Switzerland, February 2009

Wild Wonders of Europe / Roggo / Male Zander / Pikeperch (Sander / Stizostedion lucioperca) defending nest, calm part of the Rhine, Schaffhausen, Switzerland, May 2009

Mark Yates / Zander {Stizostedion lucioperca} captive, Essex, UK