The body of A. pacificus is pinkish brown dark brown, usually grading to yellowish or orange on lower side of body including abdomen. It is a member of the skunk complex with the characteristic white stripe along the dorsal ridge line, from the midline of the snout through to the base of caudal fin. The fins are whitish to semi-translucent. It has 9 dorsal spines, 2 anal spines, 18-20 dorsal soft rays and 12-13 anal soft rays. The four specimens that were the basis of the description ranged from 3.09 to 4.83 cm (1 1𔊬 to 2 in). Learn more about Pacific Anemonefish