Dolphins are close to the top of their food chain with few natural predators other than sharks. When faced by a predator, dolphins often circle, head butt or use their tails to hit the other animal in self defense. Accor... More »

Dolphins are active, opportunistic predators that feed on many different kinds of fishes, squids and crustaceans. Their diet varies according to what is geographically available. Fishes and squid are staples for offshore... More »

Sharks, killer whales and humans are the primary eaters of dolphins. Dolphins are near the top of the food chain and employ many defensive strategies, so they are not often eaten by predators. More »

www.reference.com Pets & Animals Mammals Marine Mammals

Dolphins survive by living within groups to protect one another, by eating various food found throughout the ocean and by breathing when they surface. Their bodies also help to support them after millions of years of evo... More »

Although dolphins are apex predators, they are sometimes eaten by sharks and killer whales; however, their primary predator is mankind. Dolphin pods attack sharks on sight, circling protectively around the weakest member... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Dolphins travel in small pods to deter sharks from attacking them, and they avoid predators through the use of echolocation. When attacked, a dolphin's greatest defenses are his maneuverability, powerful tail, nose and t... More »

Dolphins sleep by a process called unihemispheric slow-wave sleep. This kind of sleep is believed to help dolphins and other creatures recover from their daily activities. More »