Fig. 10: A european perch (Perca fluviatilis) in front of a pole. These species can be seen on almost every dive. Mostly it are juveniles. Adults can live up to 22 years and grow up to 50-70cm in length. — Nikon D200, Nikkor AF-S Micro 2.0/105mm, Lake Zug, Strick, 2 July 2009 Nikon D200; Δt=1/250 s; f=105 mm; f/11.0; ISO 100; 2 July 2009 19:42:30
