Portrait of an emperor angelfish (Pomacanthus imperator) set against a dark background, Indonesia.

actinopterygii bali indo pacific ocean indonesia perciformes pomacanthidae pomacanthus imperator southeast asia angelfish animal animal head animal mouth animal themes animals in the wild aquatic close up color image colorful day ecosystem emperor angelfish fish headshot herbivore macro no people one animal outdoors part of photography portrait sea sea life side view striped swimming tropical fish undersea underwater vertical wildlife zoology