Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) being cleaned by Blue-streaked Cleaner Wrasse (Labroides dimidiatus), Bali, Indonesia

Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) schooling at ship wrek, Bali, Indonesia

GEORGETTE DOUWMA / Shoal of Elongate surgeonfish (Acanthurus mata). Komodo, Indonesia

GEORGETTE DOUWMA / Elongate surgeonfish (Acanthurus mata) being cleaned by a pair of Cleaner wrasse (Lutjanus dimidiatus). Bali, Indonesia

GEORGETTE DOUWMA / Two Elongate surgeonfish (Acanthurus mata) with Bluestreak cleaner wrasses, showing the colour changes the fish can go through during cleaning. Sweepers in background. Andaman Sea, Thailand.

GEORGETTE DOUWMA / Elongate surgeonfish (Acanthurus mata) at cleaning station with a Bluestreak cleaner wrasse (Labroides dimidiatus). Andaman Sea, Thailand

Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) pair, underwater, Bali, Indonesia

Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) school swimming over Giant Barrel Sponge (Xestospongia testudinaria) in coral reef, Komodo National Park, Indonesia

Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) pair being cleaned by Blue-streaked Cleaner Wrasse (Labroides dimidiatus) pair, Bali, Indonesia

Fred Bavendam / Elongate Surgeonfish (Acanthurus mata) being cleaned by Blue-streaked Cleaner Wrasse (Labroides dimidiatus), Bali, Indonesia

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 / RF - Tropical reef fish, composite image on a black background, Mimic surgeonfish (Acanthurus pyroferus), Elongate surgeonfish (Acanthurus mata), Redmouth triggerfish (Odonus niger), Black spotted por...