Fig. 39: This old crayfish (Orconectes limisosus) is covered with zebra mussels. — Nikon D200, Nikkor AF-S Micro 105mm, 2 x Sea&Sea YS-110α, Lake Zug, Restaurant Baumgarten, 23. Juni 2013 — EXIF: Nikon D200; Δt=1/250 s; f=105 mm; f/25.0; ISO 200; 2013-06-23 10:42:15
