Blue Whale ; Largest in the world. (biggest animal in history)
Killer Whales ; They live in the dolphin family, but are quite big!
Great White Shake ; They are scary and also big!
Porpoise ===ANOTHER ANSWER=== BELIEVE IT OR NOT, the KILLER WHALE is a DOLPHIN! I saw it for myself in National Geographic.!! <<<ADR>>>
the answer u are looking for is walrus
Whales are the largest sea mammals
walrus
Dolphin
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.
A Sea Ottier is the "smalliest" Mammal in the sea.
Hudson bay
A Marine Mammal .
Narwhal.
no, a sea cucumber is an Echinoderm.
Walrus are mammals.
Well the type of mammal a sea otter is a nonochord
no.