TAXONOMY
Kingdom:Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order: Perciformes (Perch-likes)
Family: Pomacanthidae (Angelfishes)

Genus/species: Holacanthus passer

GENERAL CHARACTERISTICS: Bodies of both males and females are a dark blue with a vertical band of white behind the pectoral fins, and yellow tails. The pelvic fins of the male are white while the females are yellow. Juveniles are primarily yellow with iridescent blue edged fins, blue stripes toward the posterior of the body with orange around the eyes. Rays of the dorsal and anal fins taper down and end in long filaments. Max size: 30–35 cm (12-14 inches).  Like all angelfish, have a blunt snout and a large strong spike at the anterior most bone of the operculum.

Photo below take 2011 Galapagos Islands

DISTRIBUTION/HABITAT: Tropical reefs of the eastern Pacific from the coast of Peru north to the Gulf of California and as far west as the Galápagos  Islands.  Commonly found around shallow rocky and coral reefs at depths of 3 to 27 m( 10 to 89 feet). 

DIET IN THE WILD: Sponges, tunicates, sessile invertebrates, zooplankton and graze on benthic micro algae. Feed during the day, are lethargic at night.

California Academy of Sciences specimens below.


REFERENCES
WordPress Shortlink wp.me/p1DZ4b-78
flickr www.flickr.com/photos/cas_docents/12353760984/
fishbase www.fishbase.org/summary/Holacanthus-passer.html