Chris & Monique Fallows / Great white shark (Carcharodon carcharias) predating Cape fur seal (Arctocephalus pusillus) Seal Island, False Bay, South Africa, July. Sequence 3 of 3

Tim Fitzharris / Whale Shark (Rhincodon typus) eating with attendant Remoras (Remora remora), Philippines

Norbert Wu / Oceanic White-tip Shark (Carcharhinus longimanus) with Pilot Fish (Naucrates ductor), Bahamas, Caribbean

Flip Nicklin / Sandbar Shark (Carcharhinus plumbeus) underwater portrait, bottom-dwelling coastal species, worldwide distribution

Flip Nicklin / Oceanic White-tip Shark (Carcharhinus longimanus) underwater portrait, North America

David Hall / Brownbanded bamboo shark (Chiloscyllium punctatum) juvenile on sea floor. Pantar Island, Alor Archipelago, Indonesia.

Shane Gross / Coral reef wall with sponges, Caribbean reef shark (Carcharhinus perezi) in background. Caribbean Sea off Gardens of the Queen National Park, Cuba.

Shane Gross / Brown banded bamboo shark (Chiloscyllium punctatum) rests on a pristine coral reef, near Alor, Indonesia.

Linda Pitkin / Blue triggerfish (Pseudobalistes fuscus) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Linda Pitkin / Blue triggerfish (Pseudobalistes fuscus) Shark Reef to Jolande Reef, Ras Mohammed National Park, Egypt, Red Sea.

Alex Mustard / Tiger shark (Galeocerdo cuvier) female in open water, showing its brown eye. Grand Bahama, Northwest Providence Channel, Bahamas. Tropical West Atlantic Ocean.

Chris & Monique Fallows / Cape fur seals (Arctocephalus pusillus) trying to confuse shark predators by moving en masse. Near Seal Island, False Bay, South Africa.