Barracuda Swarm
Fig. 27: Finally I encounter a big swarm of barracudas that stays compact while approaching and then I don't have a strobe wigh me. — Nikon D200, Nikkor DX 10.5mm Fisheye, Elphinstone reef, Red Sea, 16 November 2011 — EXIF: Nikon D200; Δt=1/100 s; f=10.5 mm; f/5.0; ISO 200; 2011-11-16 6:47:06