Dolphins are mammals found in the sea and are part of the toothed whale family. They are grey with backs that are darker than the rest of their bodies.
Dolphins are equipped with blowholes on the crowns of their heads through which they breathe air when they reach the surface of the water. They are capable of holding their breath for up to 10 minutes.
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.
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 dolphins, and coastal dolphins rely mainly on fis...
There are 42 species of dolphins in the world. There are 38 species of marine dolphins and four species of river dolphins. The normal habitat for dolphins is saltwater, but some do live in freshwater. Dolphins are generally found in the shallow coastal waters of warm lo...
According to the National Marine Life Center, dolphins move by pushing their powerful tail flukes up and down in the water. This tail movement pushes water back and propels the dolphin forward. To steer through the water, dolphins use their pectoral fins and their dorsa...
Most dolphins eat fish, squid, shrimp and other crustaceans, though the diet of dolphins varies by species and by what is available to them in their part of the ocean. Some dolphins eat herring, cod and mackerel.