Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) lying on the bottom, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Group of white tip sharks (Triaenodon obesus) lying on the bottom, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) laying on the sandy bottom, New Caledonia, Pacific Ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus), two lying underneath ledge of coral reef. Flores Sea, Indonesia.

Pascal Kobeh / Close-up of the head of a White tip shark (Triaenodon obesus) laying on the bottom with a Remora (Echeneis naucrates) on its head, Sulu sea, Philippines

Pascal Kobeh / Hunting 'pack' of White tip sharks (Triaenodon obesus) at night, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / Two White tip sharks (Triaenodon obesus) resting on sea floor, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) resting on sea floor, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) swimming near the coral reef drop off among a school of Blue-and-gold snappers (Lutjanus viridis), Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / Two White tip sharks (Triaenodon obesus) resting on sea floor, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / Blackspotted stingray (Taeniurops meyeni) swimming near reef with a White tip shark (Triaenodon obesus) resting on sea floor in the background, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / White tip sharks (Triaenodon obesus) circling excitedly whilst hunting for prey, Cocos island, Costa Rica. Pacific ocean.

Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) resting on sea floor with a Trumpetfish (Aulostomus chinensis) on top of them, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) resting on sea floor, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) resting on sea floor, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) resting on sea floor, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / Group of White tip sharks (Triaenodon obesus) resting on sea floor, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) swimming in open water, Revillagigedo islands, Mexico. Pacific Ocean.

Pascal Kobeh / White tip shark (Triaenodon obesus) resting on sea floor with a remora (Echeneis naucrates) attached to its back, Maldives. Indian Ocean.

Michele Westmorland / White-tip reef sharks (Triaenodon obesus) and school of Black Striped Salema (Xenocys jessiae) Galapagos Islands.

Michele Westmorland / White-tip reef sharks (Triaenodon obesus) and school of Black Striped Salema (Xenocys jessiae) Galapagos Islands.

Michele Westmorland / White-tip reef sharks (Triaenodon obesus) and school of Black Striped Salema (Xenocys jessiae) Galapagos Islands.

Michele Westmorland, Westmorland Images, LLC / Sleeping white-tip reef sharks (Triaenodon obesus) Galapagos Islands.

Tim Laman / Large Jack fish (Carangoides auroguttatus) and a Napolean wrasse (Labridae) watch a hunting White Tip Reef shark (Triaenodon obesus) with Fusiliers school in the background, on a reef in the Raja Ampa...

Jurgen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Jurgen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Jurgen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Jeff Rotman / White tip reef shark head close-up {Triaenodon obesus} Natal, South Africa

Jeff Rotman / Pectoral fin of White tip reef shark (Triaenodon obesus) Red Sea, Egypt

Norbert Wu / White-tip Reef Shark (Triaenodon obesus) come to shallow waters to mate, Galapagos Islands, Ecuador

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

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

Gary Bell/ Oceanwide / White-tip Reef Shark (Triaenodon obesus), Heron Island, Great Barrier Reef, Queensland, Australia

Norbert Wu / White-tip Reef Shark (Triaenodon obesus) group, Revillagigedo Islands, Mexico

Pete Oxford / White-tip Reef Shark (Triaenodon obesus), Rabida Island, Galapagos Islands, Ecuador

Pete Oxford / White-tip Reef Shark (Triaenodon obesus) and snorkeler, Galapagos Islands, Ecuador

Pete Oxford / White-tip Reef Shark (Triaenodon obesus) swimming over reef, Beqa Lagoon, Viti Levu, Fiji

Fred Bavendam / White-tip Reef Shark (Triaenodon obesus) pair on bottom below Blue-and-gold Snapper (Lutjanus viridis) school, Cocos Island, Costa Rica

Fred Bavendam / White-tip Reef Shark (Triaenodon obesus), Queensland, Australia

Fred Bavendam / White-tip Reef Shark (Triaenodon obesus), Queensland, Australia

Fred Bavendam / White-tip Reef Shark (Triaenodon obesus), Queensland, Australia

Pete Oxford / White-tip Reef Shark (Triaenodon obesus) off of Wolf Island, Galapagos Islands, Ecuador

Konrad Wothe / White-tip Reef Shark (Triaenodon obesus), Elba, Italy

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

Ralph Pace / White-tip Reef Shark (Triaenodon obesus) group resting, Revillagigedo Islands, Mexico

Norbert Wu / White-tip Reef Shark (Triaenodon obesus) trio, Revillagigedo Islands, Mexico

Pete Oxford / White-tip Reef Shark (Triaenodon obesus), Rabida Island, Galapagos Islands, Ecuador

Pete Oxford / White-tip Reef Shark (Triaenodon obesus), Galapagos Islands, Ecuador