Jeff Rotman / Close up of mouth of a Stoplight parrotfish (Sparisoma viride) Bahamas, Caribbean

Jeff Rotman / Bullethead parrotfish (Chlororus sordidus) tail. Red Sea, Egypt

David Fleetham / Hawaiian cleaner wrasse (Labroides phthirophagus) cleaning Redlip parrotfish (Scarus rubroviolaceus) in coral reef. Kauai, Hawaii.

Pascal Kobeh / Female Ember parrotfish (Scarus rubroviolaceus) sleeping at night. Maldives, Indian Ocean.

Franco Banfi / Bicolor parrotfish (Scarus rubroviolaceus) Cocos Island National Park, Costa Rica, East Pacific Ocean

Pascal Kobeh / Female Ember parrotfish (Scarus rubroviolaceus) feeding on coral, Maldives. Indian Ocean.

Pascal Kobeh / Head of a female Ember parrotfish (Scarus rubroviolaceus) at night, Maldives. Indian Ocean.

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

Fred Bavendam / Redlip Parrotfish (Scarus rubroviolaceus) cleaned by Clear Cleaner Shrimp (Urocaridella antonbruunii), Bali, Indonesia

Fred Bavendam / Redlip Parrotfish (Scarus rubroviolaceus) mouth showing teeth, Indonesia

Pete Oxford / Redlip Parrotfish (Scarus rubroviolaceus), Wolf Island, Galapagos Islands, Ecuador

Fred Bavendam / Redlip Parrotfish (Scarus rubroviolaceus) female, sleeping in a Gorgonian Sea Fan at night, Andaman Sea, Thailand