Scientific name:
Naso lituratus
Distinctive features:
Orange tail spines and anal fin. Brown or gray with yellow edged black area from mouth to eye.
Size:
to 30 cm (12 in.)
Unique to this species of surgeonfish are the orange tail spines and anal fin. The orangespine unicornfish is brown or gray in coloration, has a yellow forehead, and a black band at the base of the dorsal fin. Unlike some other species of unicornfish, this species lacks a horn. Males will develop long trailing filaments from each corner of the tail.