Juergen Freund / Silvertip reef shark (Carcharhinus albimarginatus) Kimbe Bay, West New Britain, Papua New Guinea.

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus) underwater portrait, Andaman Sea, Burma

Doc White / Silvertip shark {Carcharhinus albimarginatus}, Papua New Guinea

Richard Robinson / Silvertip Shark (Carcharhinus albimarginatus) at Ellet 'Banc New Caledonia.

Richard Robinson / Silvertip Shark (Carcharhinus albimarginatus) at Ellet 'Banc New Caledonia.

Richard Robinson / Silvertip Shark (Carcharhinus albimarginatus) at Ellet 'Banc New Caledonia.

Richard Robinson / Silvertip Shark (Carcharhinus albimarginatus) at Ellet 'Banc New Caledonia.

Claudio Contreras / Silvertip shark (Carcharhinus albimarginatus), San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico, March. Vulnerable,

Alex Mustard / Portrait of Silvertip shark (Carcharhinus albimarginatus). Beqa Lagoon, Viti Levu, Fiji, Polynesia. Tropical South Pacific Ocean. Movement blur added in post production .

Pascal Kobeh / Group of Silvertip sharks (Carcharhinus albimarginatus) in open water, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Silvertip sharks (Carcharhinus albimarginatus) in open water, Revillagigedo islands, Mexico. Pacific Ocean.

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus), Cocos Island, Costa Rica

Franco Banfi / Silvertip shark (Carcharhinus albimarginatus) swimming amongst other small fish, San Benedicto, Revillagigedo (Socorro) Islands, Mexico, East Pacific Ocean

Juergen Freund / Silvertip reef shark (Carcharhinus albimarginatus) West New Britain, Papua New Guinea.

Jeff Rotman / Silvertip Shark (Carcharhinus albimarginatus) approaching cleaning station, Cocos Island, Costa Rica - Pacific Ocean.

Jeff Rotman / Silvertip shark (Carcharhinus albimarginatus) Cocos Island, Costa Rica, Pacific Ocean.

Jeff Rotman / Silvertip Shark (Carcharhinus albimarginatus)Cocos Island, Costa Rica - Pacific Ocean.

Jeff Rotman / Silvertip Shark (Carcharhinus albimarginatus) swims with schooling Pilot Fish (Naucrates ductor), Cocos Island, Costa Rica, Pacific Ocean.

Jeff Rotman / Silvertip shark (Carcharhinus albimarginatus) approaches cleaning station, Cocos Island, Costa Rica, Pacific Ocean.

Mike Parry / Silver-tip Shark (Carcharhinus albimarginatus) swimming over coral reef, Bismarck Sea, Papua New Guinea

DOC WHITE / Silvertip shark {Carcharhinus albimarginatus}

David Hall / Silvertip shark (Carcharhinus albimarginatus)

Doug Perrine / Silvertip shark {Carcharhinus albimarginatus} Rangiroa, Polynesia, Pacific ocean.

Brent Hedges / Silvertip shark {Carcharhinus albimarginatus} Papua New Guinea

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus) portrait, Andaman Sea, Burma

Mike Parry / Silver-tip Shark (Carcharhinus albimarginatus) profile, New Ireland, Papua New Guinea

Mike Parry / Silver-tip Shark (Carcharhinus albimarginatus) pair, New Ireland, Papua New Guinea

Chris Newbert / Silver-tip Shark (Carcharhinus albimarginatus) 30 feet deep, Papua New Guinea

Norbert Wu / Silver-tip Shark (Carcharhinus albimarginatus) underwater portrait, Burma Banks, Thailand

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus) portrait, Cocos Island, Costa Rica

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus) portrait, Cocos Island, Costa Rica

Fred Bavendam / Silver-tip Shark (Carcharhinus albimarginatus) portrait, Cocos Island, Costa Rica

Jeff Rotman / Silvertip shark at cleaning station. Cocos Is, Costa Rica {Carcharhinus albimarginatus}

Juergen Freund / Silvertip shark {Carcharhinus albimarginatus}, Great Barrier Reef, Australia

Juergen Freund / Silvertip shark {Carcharhinus albimarginatus} Great Barrier Reef, Australia

Jeff Rotman / Silvertip shark {Carcharhinus albimarginatus} at 'cleaning station' where it allows other fish to feed on the parasites on its skin. Cocos Is, Pacific, Costa Rica

David Fleetham / Silvertip shark (Carcharhinus albimarginatus), over reef at Burma Banks, Myanmar.

Ian Coleman / Illustration of Silvertip shark (Carcharhinus albimarginatus), Carcharhinidae. Endangered / threatened species.

Alex Mustard / Silvertip shark (Carcharhinus albimarginatus) portrait, Revillagigedo Islands, Mexico, Pacific Ocean.

Noemie Stroh / Silvertip shark (Carcharhinus albimarginatus) swimming into the blue, Roca Partida, Revillagigedo Islands, Mexico, December.

Noemie Stroh / Silvertip shark (Carcharhinus albimarginatus) female and Galapagos shark (Carcharhinus galapagensis) swimming around cleaning station, Revillagigedo Islands, Mexico, December.

Franco Banfi / Silvertip shark (Carcharhinus albimarginatus) patrolling over reef, Rangiroa Atoll, Tuamotu Archipelago, French Polynesia, Pacific Ocean.

Franco Banfi / Scuba diver photographing Silvertip shark (Carcharhinus albimarginatus), Rangiroa Atoll, Tuamotu Archipelago, French Polynesia, Pacific Ocean.

Shane Gross / Silvertip shark (Carcharhinus albimarginatus) on coral reef in Kimbe Bay, Papua New Guinea.

Shane Gross / Silvertip shark (Carcharhinus albimarginatus) with reef fish in Kimbe Bay, Papua New Guinea.

Shane Gross / Silvertip shark (Carcharhinus albimarginatus) with reef fish in Kimbe Bay, Papua New Guinea.