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 — EXIF: Nikon D200; Δt=1/250 s; f=105 mm; f/25.0; ISO 100; 2013-05-26 10:09:26
