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...

Pascal Kobeh / Yellowtail surgeonfish (Prionurus punctatus) grazing algae with a school of Amberstripe scads (Decapterus muroadsi) in background, Baja California peninsula, Mexico. Sea of Cortez.

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...

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) group hunting cooperatively by driving Amberstripe Scad (Decapterus muroadsi) into shallow cove, with Brown Pelicans (Pelecanus occidentalis) and sharks taking...

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) group hunting cooperatively by driving Amberstripe Scad (Decapterus muroadsi) into shallow cove, with Brown Pelicans (Pelecanus occidentalis) taking advantage,...

Tui De Roy / Brown Pelican (Pelecanus occidentalis) flock predating Amberstripe Scad (Decapterus muroadsi) cornered in shallow water, Bainbridge Rocks, Santiago Island, Galapagos Islands, Ecuador

Tui De Roy / Brown Pelican (Pelecanus occidentalis) predating Amberstripe Scad (Decapterus muroadsi), Bainbridge Rocks, Santiago Island, Galapagos Islands, Ecuador