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...

Doug Perrine / Scuba diver films bait ball of Bigeye scad (Selar crumenopthalmus) Keauhou Bay, Kona, Hawaii, Hawaiian Islands. Central Pacific ocean. March 2010. Model released.

Franco Banfi,Franco Banfi / Local man looking down at shoal of Bigeye scad (Selar crumenophthalmus) Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur) in front of a sea fan, Uepi Island, Solomon Islands

Norbert Wu / Bottlenose Dolphin (Tursiops truncatus) chases a school of Bigeye Scad (Selar crumenophthalmus), Roatan, Honduras

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur), Lizard Island, Great Barrier Reef, Queensland, Australia

Claudio Contreras / Bigeye Scad (Selar crumenophthalmus) large shoal over ridged sand seabed, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Bigeye Scad (Selar crumenophthalmus) shoal, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Georgette Douwma / Bigeye scad (Selar crumenophthalmus). Raja Ampat, West Papua, Indonesia.

Pascal Kobeh / Diver hardly visible under a very large school of bigeye scads (Selar crumenophthalmus) Baja California peninsula, Mexico. Sea of Cortez. October 2010.

Pascal Kobeh / Very large school of Bigeye scads (Selar crumenophthalmus) Baja California peninsula, Mexico. Sea of Cortez.