bottlenose dolphin
noun(bot-tle-nose dolphin)
a relatively small chiefly gray toothed whale (Tursiops truncatus) of temperate to tropical waters that has a prominent beak and falcate dorsal fin, reaches a length of 6 to 12 feet (1.8 to 3.6 meters), and is typically found in groups; also : a related whale (T. aduncus) of waters of the Indian Ocean and western Pacific Ocean