David Fleetham / Galapagos shark (Carcharhinus galapagensis) group feeding at surface, Hawaii.

Ralph Pace / Galapagos Shark (Carcharhinus galapagensis), Reviliagigedo Island, Mexico

Ralph Pace / Silky Shark (Carcharhinus falciformis), Galapagos Shark (Carcharhinus galapagensis), Dusky Shark (Carcharhinus obscurus), and Black-tip Shark (Carcharhinus limbatus) group working with Yellowfin Tuna...

Ralph Pace / Silky Shark (Carcharhinus falciformis), Galapagos Shark (Carcharhinus galapagensis), Dusky Shark (Carcharhinus obscurus), and Black-tip Shark (Carcharhinus limbatus) group working with Yellowfin Tuna...

Pete Oxford / Galapagos Shark (Carcharhinus galapagensis), Wolf Island, Galapagos Islands, Ecuador

Michael Pitts / Galapagos shark {Carcharhiinus galapagensis} Pacific

Chris Newbert / Galapagos Shark (Carcharhinus galapagensis) among schooling Black-striped Salema (Xenocys jessiae), Galapagos Islands, Ecuador

Chris Newbert / Black-striped Salema (Xenocys jessiae) group schooling, and two Galapagos Sharks (Carcharhinus galapagensis) 50 feet deep, Galapagos Islands, Ecuador

Birgitte Wilms / Galapagos Shark (Carcharhinus galapagensis) underwater portrait, Galapagos Islands, Ecuador

Doug Perrine / Galapagos shark profile {Carcharhinus galapagensis} Hawaii (Non-ex).

David Fleetham / Galapagos shark (Carcharhinus galapagensis) swimming through a school of Black striped salema (Xenocys jessiae). Galapagos Islands, Equador.

David Fleetham / Galapagos shark (Carcharhinus galapagensis) surfacing, with nictitating membrane across it eye. Oahu, Hawaii.