Fig. 32: A nice swarm of perches (Perca fluviatilis) in shallow water. They are most common in Swiss lakes. — Nikon D200, Nikkor 10.5mm DX Fisheye, Riedsort, Lake Lucerne, 16 August 2009 Nikon D200; Δt=1/350 s; f=10.5 mm; f/10.0; ISO 400; 16 August 2009 14:34:47
