hippopotamus (hippo)
a fish
it is a hippopotomus
Crocidile... that's what Alex said
Horse
The biggest submarine animal is of-course the Blue whale. This is also the largest animal of all animals.
if they breathe underwater... <=< FISH
marlin
It is an animal that lives underwater and gives of electricity
an animal that lives underwater
I will.
your mumer
a killer whale