Pete Oxford / Regal angelfish (Pygoplites diacanthus) Rainbow Reef, Fiji, South Pacific.

Georgette Douwma / Regal angelfish (Pygoplites diacanthus) swimming over coral reef. Egypt, Red Sea.

Alex Mustard / Table coral (Acropora sp.) growing on a coral reef with a Regal angelfish (Pygoplites diacanthus) passing by, Laamu Atoll, Maldives, Indian Ocean.

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

Magnus Lundgren / Wild Wonders of China / Regal angelfish (Pygoplites diacanthus) Green Island, Taiwan.

Alex Mustard / Regal angelfish (Pygoplites diacanthus) spreads its fins and flutters its tail in the face of a predatory snubnose grouper (Epinephelus macrospilos) to chase it from its territory on a coral reef. Ras...

Nick Hawkins / Royal angelfish (Pygoplites diacanthus) in Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Frederique Olivier / Bluebanded angelfish (Pygoplites diacanthus) swimming amongst porites and soft corals, Uepi Island, Solomon Islands.

Georgette Douwma / Regal angelfish (Pygoplites diacanthus). West Papua, Indonesia.