well so far the BIGGEST ocean mamal is the Blue Whale that can grow to be as long as a Baseball field. so i guess the answer to how big ocean mammals get i guess as big as a baseball field.
No....?
they produce babies
yes they ARE
No. Peacocks are birds.
no,dolphins
no becase they are mammls
yes, rabbits are mammals.
no its a fish.
as big as the ocean because it is the ocean :)
of course its big theres more ocean than land
The Minecraft PE seed with a big ocean is -839019905251343089 .
The Atlantic Ocean