Answer
Common dolphin, elephant seal, hubb's beaked dolphin, pacific white sided dolphin, gray whale, humpback whale, California sea lion, harbor seal, southern sea otter, manatee's and orca whale. Hope that helped. :)
Semi aquatic mammal.
Whales, dolphins, dugongs, manatees, porpoises, seals, and walruses
sea lions
the blue whale
a dolphin is a marine mammal that lives in open water in the ocean.
A mammal can live on land and in the water, or sea.
A manatee is an aquatic mammal, meaning a mammal that lives in water. It is not a fish nor a bird.
Almost all whales are endangered .
a duck bill platypus
The West Indian Manatee lives along the coast of Florida.
Hippopotamus. Walrus. Mega grundle.
The Manatee!
Hippopotamus' are vulnerable(becoming endangered and they're large mammals that live in water.
water horses are not proven real. but the scientists that believe in it think its a reptile that lives in water. sortof like a water snake.