Dolphins are mammals, lived in both class-marine, freshwater and brackish water fish are shaped like flippers. Dolphin fish tail, but a conclusive, because a mammal with the afterbirth.
Dolphins animal mammal Retriever. Both live in the ocean, freshwater and brackish water fish with fins shaped like a dolphin's tail, but not fish. Because animals are mammals with a placenta.
The dolphin is a mammal species that lived in the sea, fresh water and brackish water, and have a shape similar fish is fin, tail, but the dolphins are not fish. Because is a mammal with the placenta.