The ocean sunfish, Mola mola, or common mola, is the heaviest known bony fish in the world. It has an average adult weight of kg lb). (bb: I LOVE this fish. Actually saw them in Monterey Bay on a "green" whale watching tour--SO exciting!
Blanket Octopus: is 2 meters long with an enormous cape behind it. The octopus is the only animal immune to the stings of the man of war jellyfish. It can rip off the stingers of the jellyfish and use it as a whip.