Add to Lightbox
As a shark bites, a protective cover comes over it's eye, known as the nictitating membrane. This Galapagos shark, Carcharhinus galapagensis, photographed breaking the surface several miles offshore, is demonstrating this feature, Oahu, Hawaii.
Copyright © David Fleetham
© David Fleetham Underwater Photography
email@example.com 808-283-1154 Maui, Hawaii, USA.