Bottlenose Dolphins are said to have a common ancestor with that of the fish, however it had moved onto land before becoming a dolphin. The Bottlenose Dolphin has “evolved from an even toed hoofed ancestor.” (s). This ancestor eventually lost its legs as they became fins so that the dolphin could survive in an aquatic environment. Once the mammal had fully morphed into that of an oceanic mammal it developed pectoral flippers on its ventral side, posterior tail lobes known as flukes, a dorsal fin that is usually placed near the center of the dorsal side of the mammal. Also with this adaptation the body form of the bottlenose dolphin changed into one that is fusiform and streamlined. A mammal needs air to breathe, meaning the bottlenose dolphin
