Dolphins mammal Retriever. Both live in the ocean, freshwater and brackish water fish with fins shaped like a dolphin's tail, but not fish. Because the placental mammal. Rated whales and dolphins, which includes dolphins, whales and dolphins, which are smaller than a whale. And arranged in groups of whales have teeth only animals that know very well that the intelligence. A human-friendly Especially when human lives are castaways. Become a legend or story retold in general. A character in a herd. Some swarms may have as many as a thousand to several thousand. Swimming fluent quickly. The rotation can jump over the water. Like swimming on either side or a race to the boat.