Perch Spawn
Fig. 38: Spawn from a perch (Perca fluviatilis) and a freshwater polyp (hydra vulgaris) — Nikon D200, Nikkor AF-S VR Micro 105mm, 2 x Sea&Sea YS-110α, Lake Zug, Fischchratte, 26. Mai 2013 Nikon D200; Δt=1/250 s; f=105 mm; f/25.0; ISO 100; 26 May 2013 10:09:26