A colourful Queen Parrotfish is feeding on algae in a coral outcrop with its "beak". Cleaning the coral like this keeps it healthy. Also, the Parrotfish contributes to its environment by excreting sand.

A colourful Queen Parrotfish is feeding on algae in a coral outcrop with its "beak". Cleaning the coral like this keeps it healthy. Also, the Parrotfish contributes to its environment by excreting sand.