Originally Posted by Freebase Dali

Q: Who lives in a pineapple under the sea?

A: Sponge Bob Square Pants. He is a sea sponge and must live in the water in order to survive as a species. He is part of a large diversity of aquatic life that lives harmoniously with his environment, but man's pollution of the oceans is slowly eradicating the tenuous balance of nature that allows for oceanic diversity.