Holacanthus bermudensis, also known as the blue angelfish or Bermuda blue angelfish, is a species of ray-finned fish, a marine angelfish belonging to the family Pomacanthidae. It occurs in the western Atlantic Oceanc: Bermuda, Bahamas and off southern Florida, USA to the Gulf of Mexico, including Yucatan, Mexico. Holacanthus bermudensis has a deep, oval-shaped body that is strongly lateral compressed. It has a short snout with a small mouth that contains small teeth, like the bristles of a brush. The juveniles are yellowish on the anterior part of the body changing to brownish-yellow halfway along. They have a vivid yellow caudal, pectoral and pelvic fins. They also have a number of vertical white bars on the body with bright blue margins to the dorsal and anal fins. The adults are bluish yellowish on the body with a vivid yellow face. They have blue highlights on the chest and forehead and blue and yellow pectoral fins while the caudal fin has yellow margins. The dorsal and anal fins also have yellow margins and long yellow streamers. The dorsal fin contains 15 spines and 19-21 soft rays while the anal fin has 3 spines and 20-21 soft rays. This species attains a maximum total length of 45 centimetres (18 in).
