Octopus
Fig. 164: An octopus hiding in a hole and looking at the divers. It's fascinating how they can quickly change their form and skin structure to blend in with the background. Dive #371: Bouldes, Sabang, Mindoro Island, Philippines. — EXIF: Nikon D200; Δt=1/250 s; f=105 mm; f/16.0; ISO 100; 2009-11-17 2:37:03