no...we are mammals
doh.. why would there be such a question as to how many endangered mammals are in the sea when not all creatures in the sea have been discovered yet!
No, all sea animals are not mammals. Fishes are not mammals, but dolphins are mammals.
land mammals live on land, sea mammals live in the water.
No, sea mammals give birth to live young.
There are a variety of mammals that don't live in the sea such as: cheetahs, giraffes, pandas, tigers, wolves, and humans.
All mammals that exist today have some kind of hair or fur. That includes mammals that live in the sea like dolphins and whales.
whale
the whale
Yes, dolphins are mammals that live in the sea because they breath air and give birth to live young. They are also warmblooded
I don't know exactly what they live with but i know walrus's are mammals.
I think 4?
dolphins and sharks