The Pacific Ocean is the largest ocean, located in western Europe. It occupies 1/3 of the Earth's surface. Some important animals in the Pacific Ocean include dolphins, sharks, swordfish, and grey whales. The grey whale is a 13 meter mammal that eats small fish. Sharks have fins and sharp teeth and eat fish and sometimes humans. Swordfish are large predatory fish with long bills. Dolphins live in water and have fins, eating small fish and seaweed.