Georgette Douwma / Swarthy / Dusky parrotfish (Scarus niger) grazing. Egypt, Red Sea.

Doug Perrine / Swarthy parrotfish {Scarus niger} sleeping in coral at night. Malaysia

Fred Bavendam / Swarthy Parrotfish (Scarus niger) pectoral fin, Andaman Sea, Thailand

Fred Bavendam / Swarthy Parrotfish (Scarus niger) sleeping on the reef at night, Andaman Sea, Thailand

Alex Mustard / Dusky parrotfish (Scarus niger) sleeping on a coral reef at night. Sharm El Sheikh, Egypt, Red Sea.

Alex Mustard / Female Swarthy parrotfish (Scarus niger) feeding on a coral reef, Laamu Atoll, Maldives, Indian Ocean.

Georgette Douwma / Blue tropical reef fish composite image on black background, Blue triggerfish (Pseudobalistes fuscus), Bicolour angelfish (Centropyge bicolor), Elongate surgeonfish (Acanthurus mata), Yellowtail tang...