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