ALEXIS ROSENFELD / SCIENCE PHOTO LIBRARY ALEXIS ROSENFELD / SCIENCE PHOTO LIBRARY
Masked butterfly fish (Chaetodon semilarvatus). This fish, also known as a lemon butterfly fish, has a flattened body and a small protruding mouth. Its mouth is able to pick at the small crustaceans, polyps, worms and algae that it eats. Masked butterfly fish live in coral reefs in tropical seas.
Model release not required. Property release not required.