Birgitte Wilms / Map Angelfish (Pomacanthus maculosus) underwater, side view, Red Sea, Egypt

Joel Sartore / Photo Ark / Yellowbar angelfish (Pomacanthus maculosus) portrait, Sharjah Aquarium, UAE. Captive, occurs in Indian Ocean.

Alex Mustard / Yellowbar angelfish (Pomacanthus maculosus) in open water, portrait, Ras Mohammed National Park, Sinai, Egypt. Red Sea.

Alex Mustard / Yellowbar angelfish / Goldbar angelfish (Pomacanthus maculosus) on a coral reef with colourful soft corals (Dendronephthya sp.) and (Scleronephthya sp.), a Coral grouper (Cephalopholis miniata) and An...

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 black background, Yellowbar angelfish (Pomacanthus maculosus), Square-spot anthias (Pseudanthias pleurotaenia), male and female, Seagrass filefish (Acreich...

Georgette Douwma / Yellowbar angelfish (Pomacanthus maculosus) composite image on black background, Red Sea, Egypt.

Georgette Douwma / Tropical angelfish composite image on black background, Blue-ringed angelfish (Pomacanthus annularis), Semicircle angelfish (Pomacanthus semicirculatus), Blacktail angelfish (Centropyge eibli), Regal...

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...

Alex Mustard / Detail of scales and blue and yellow colour pattern of a Goldbar angelfish (Pomacanthus maculosus). Ras Mohammed National Park, Sinai, Egypt. Red Sea