Walrus
That would be a Whale.
No, a seal is a mammal not a fish.
The manatee is a sea animal. It is a large marine mammal.
An otter is an aquatic mammal.
The word you're looking for is "eider." Eiders are large sea ducks primarily found in the Northern Hemisphere.
haha nice question. its a whale. or maybe a shark.
A Sea Ottier is the "smalliest" Mammal in the sea.
Tern , gull ,
Whale, Shark
Hudson bay
Those letters spell Sudan, a country in northern Africa on the Red Sea.
Yacht is correct. A Yacht is a large sea ship.