the dolphin

Dolphins are aquatic mammals. Dolphins are closely related to whales and porpoises. There are approximately forty species of dolphins, seen in 17 genera. Their sizes range from 1.2 meters and forty kilograms - like a Maui dolphin - to 9.5 meters and ten tons - like an orca -. It lives in all seas of the world, especially in the seas and is a carnivore that feeds on fish and squid.