Blonde Naso Tang Identification Guide

Key identification features

• Grey to blue-grey elongated body
• Bright yellow saddle-shaped patch across the back and dorsal fin
• Black mask-like band through the eye paired with a black-and-white banded area at the base of the tail
• Long trailing streamers extending from the tail lobes in mature adults
• Lacks the prominent forehead horn seen in some other unicornfish

Common look-alikes

• Orangespine unicornfish (Naso lituratus): very similar body shape and banding, but its dorsal saddle and tail-base markings are orange rather than yellow, and its range is mostly Pacific rather than the Indian Ocean/Red Sea.
• Regal and powder blue tangs: smaller, rounder-bodied, and lack the elongated tail streamers.

Where you'll see one

Found along reef slopes and lagoons of the Red Sea and western Indian Ocean, usually alone or in small groups grazing algae over rock and rubble. It ranges from shallow reef flats down to moderate depths on outer reef slopes, and adults are often seen browsing close to the substrate rather than schooling in open water.