MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY
Many-spotted sweetlips (Plectorhinchus chaetodonoides). Also known as harlequin sweetlips, this fish can reach a length of around 72 centimetres. It is a nocturnal predator that feeds on crustaceans, molluscs and other fish. It spends the day travelling in schools. Photographed off Sangalaki Island, in the Sulawesi Sea, Indonesia.
Model release not required. Property release not required.