Alex Mustard / Post larval Red Sea sailfin tang (Zebrasoma desjardinii), Gubal Island, Egypt. Strait Of Gubal, Gulf of Suez, Red Sea.

Georgette Douwma / Elongate surgeonfish (Acanthurus mata). West Papua, Indonesia. Indo-West Pacific.

Georgette Douwma / Mimic surgeonfish (Acanthurus pyroferus). North Sulawesi, Indonesia.

Georgette Douwma / Brown tang (Zebrasoma scopas). North Sulawesi, Indonesia.

David Fleetham / Eyestripe surgeonfish (Acanthurus dussumieri) and Bigscale soldierfish (Myripristis berndti) school. Hawaii.

David Fleetham / Orangespine unicornfish (Naso lituratus), female amongst Bigscale soldierfish (Myripristis berndti) school, Hawaii.

David Fleetham / Achilles tang (Acanthurus achilles) in coral reef. Kauai, Hawaii.

David Fleetham / Whitebar surgeonfish (Acanthurus leucopareius) school in underwater cave, oxygenated water brought down by Pacific ocean surge. Kona, The Big Island, Hawaii.

David Fleetham / Green sea turtle (Chelonia mydas) with shell cleaned by a school of Goldring surgeonfish (Ctenochaetus strigosus) off Maui, Hawaii.

David Fleetham / Marine iguana (Amblyrhynchus cristatus) feeding underwater on algae. Endemic species. With Schooling black striped salema (Xenocys jessiae)(endemic species) and yellowtail surgeonfish (Prionurus latic...

David Fleetham / Green sea turtle (Chelonia mydas) followed closely by Spotted unicorn fish (Naso brevirostris) which feeds on turtle feces, Hawaii.

David Fleetham / Large school of Convict Surgeonfish / Tang (Acanthurus triostegus) on reef. Five images were digitally stitched to make this panorama. Yap, Micronesia.