The biggest submarine animal is of-course the Blue whale. This is also the largest animal of all animals.
whales are the largest underwater animal.
If your asking which is the biggest animal then a whale is the largest underwater creature and elephants are the largest land mammals
The animal with the biggest eyes compared to it's size is the giant squid. It's eyes are HUGE compared to any other living animal! Wouldn't it be scary to go underwater and have an eye the size of your body right next to you!
mauna kea
Corythosaurus.
Whale sharks
if they breathe underwater... <=< FISH
marlin
a fish
the biggest animal in Montana is the bison
It is an animal that lives underwater and gives of electricity
The biggest animal on land is the Elephant AND The biggest animal in water is the Blue Whale
The biggest animal to ever live is the Blue Whale.