East-Indies Parrotfish (male)

Scarus hypselopterus is a species of parrotfish.

Description

Colors vary between sexes and its stage of growth (phase). Males resemble S. bowersi but differs in that the tan area of S. bowersi does not extend as far back as the anal fin. Initial phase has a distinctive black spot at front of the anal fin and yellowish tail and soft dorsal fin. Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9.

In addition, the following features of color pattern are diagnostic: initial phase and female is whitish blue. Caudal fin is yellow. Terminal-male phase complexly colored in blue-green, pink, and yellow with greenish blue saddle extending from postorbital region to 4th dorsal spine and slanting anteroventrally to just behind pectoral fin base. Head is with pink stripes on snout that divides to form a branch through upper eye, continuing a short distance beyond, and a branch through lower eye, extending onto opercle.

Distribution

Indo-Pacific: Moluccas in Indonesia, Philippines, Ryukyus in Japan and Palau.

Habitat

Inhabits coastal and outer reef areas rich in coral growth with this rare species being found at depths between 30 – 100 feet (10 – 30 m) where it feeds mainly on algae.