เป็นสัตว์เลี้ยงลูกด้วยนมจำพวกหนึ่ง

As mammals such as one live both in fresh water and brackish water, the sea has shaped like a fish with fins. With the tail, but not because it is a dolphin fish and mammals that are offensive to. On the Cetacea, which includes: Whale and Dolphin Dolphin, which is smaller than many whale and whale groups with teeth.

A mammal Retriever. Live in both marine, freshwater and brackish water fish is shaped like a tail fin, but the Dolphins are not fish. It is a mammal with the placenta. Rated whales and dolphins, which includes whales and dolphins, whales and dolphins are much smaller. And in the whale's teeth.

Is a mammal genera that lived in the sea,Freshwater and brackish water is shaped like a fish's fin, tail, but the dolphins are not fish because animals mammal with the placenta. The baleen whale which includes dolphins whales and dolphins, which are smaller than the whale.