whale are amazing here are some incredible facts about whales and thier lives in the ocean whale a very large marine mammal with a streamlined hairless body horizontal tail,fin and a blowhole on top of the breathin as many as four generations of whales live together in some of these matrilineal groups scientist believe that now fewer than a hundred of the whale ply the water whales of both lineages are relatively common fossil in many marine deposits and whales are common around the islands they whaled at the water with thier paddles.