Sunfish
Fig. 33: Many sunfish like to hide under the pump house and defend their territory against the supposed rival reflected in the dome port. Dive 663: Dive site Pumpwerk Rüschlikon, Lake Zurich. Nikon D200; Δt=1/250 s; f=10.5 mm; f/2.8; ISO 100; 21 June 2019 10:31:59