Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathos), terminal male grazing on algae covered coral boulder, Andaman Sea, Thailand. December.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral boulders. Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), grazing on a granite boulder, with a small Remora (Echeneis naucrates) attached. Andaman Sea, Thailand.

Alex Mustard / Green-face parrotfish (Scarus prasiognathos) shoal working together to invade the feeding ground of Lined surgeonfish (Acanthurus lineatus) on a coral reef, Raja Ampat, West Papua, Ceram Sea, Pacific...

Georgette Douwma / RF - Composite image of blue tropical reef fish on a black background, Blue triggerfish (Pseudobalistes fuscus), Elonggate surgeonfish (Acanthurus mata), Yellowtail tang (Zebrasoma xanthurum), Neon da...

Georgette Douwma / Tropical reef fish composite image on black background, Kasmira snapper (Lutjanus kasmira), Greenthroat parrotfish (Scarus prasiognathos), Two spot wrasse (Oxycheilinus bimaculatus), Rusty parrotfish...

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...

Georgette Douwma / Greenthroat / Singapore parrotfish (Scarus prasiognathos), male and two females, composite image on black background, Andaman Sea, Thailand,