JIM EDDS / SCIENCE PHOTO LIBRARY JIM EDDS / SCIENCE PHOTO LIBRARY
Parrotfish (family Scaridae) sleeping at night. Parrotfish feed on algae and other organisms that live on coral reefs. The size of this fish can vary from 20 centimetres to 1.5 metres in length. It stays in shallow waters of about 70 metres in depth. At night the parrotfish sleeps in a crevice (a kind of sleeping bag) covered in mucus, which is thought to mask its scent from predators and to protect it from infection by parasites. Photographed at Looe Key National Marine Sanctuary, Florida, USA.
Model release not required. Property release not required.