Best Answer: Here's a site that shows all the real-life equivalents of the characters in Finding Nemo: http://web.mit.edu/seagrant/edu/res/nemo... Dory is a Blue Tang or Palette Surgeonfish. These animals are blue only when they reach adulthood. They live in coral reefs in the tropical Indo-Pacific area, and usually hide among the branches of Pocillopora eydouxi corals when they're alarmed. They eat zooplankton.