虎鲸
This is a orca or usually called a killer whale it is called an orca because of its scientific name Orcinus orca. This orca is sticking his head out of the water breathing and looking at his spectators. Orcas basically only have one predator, humans. Ships and whale watchers are damaging the water and it prevents orcas from using echolocation to communicate with other orcas, also to find fish that are moving to rivers. Also orcas are a type of large dolphin.