dolphin's, whales, etc. manaties, seals and walrus are also marine mammals.
the answer is seal
Seal, otter.
The whale swims deepest.
A seal.Its a seal.
Seals and the polar bears are the white mammals which swim in oceans.
An eagle flies and is a bird, a seal swims in arctic areas and is a mammal.
The Manatee!
an animal that has fur and that swims is a polar bear.
The platypus lays eggs, and swims underwater, using its bill (equipped with electroreceptors) to find food.
it swims?
Olivia swims the fastest
swims (SWIMS)