There are many different animals that live in saltwater including crocodiles, turtles, manatees, fish and sharks. Some of the fish species that live in a saltwater environment include the Achilles Tang, the Angelfish, the Blue Devil, Boxfish, Clownfish, Moray Eels, the Grouper, the Jawfish and the Pufferfish.
The Manatee is one of the animals that lives in saltwater that is endangered. These creatures live in saltwater bays and saltwater marshes. They will eat floating plants and plants that are under the water. However, manatees can only stay under the water for twenty minutes before they must surface in order to breathe.
Another animal that lives in saltwater is the turtle species Atlantic hawksbill, Atlantic green and Diamondback terrapin. These turtles most often live in saltwater marshes and are also on the endangered animal list.
The animals living in saltwater are able to do so because their bodies have evolved to include different ways to get rid of the extra salt found in the saltwater through secretion with salt glad and through specialized gill cells that absorb the salt.
Some animals do not live in saltwater but eat the animals that do live in saltwater. One example of this would be the raccoon. The raccoon will eat mollusks, shell fish, gulf crabs and other small animals living in the water.