Light grey to grey-brown, paler ventrally in colour. Adults with small dusky spots and large specimens with a short protuberance above upper lip. Body ovate and compressed. Caudal fin emarginated, the large adults (perhaps only males) with filamentous lobes. Peduncular plates dull orange-red, caudal knives relatively larger in males. Median fins dark grey with black bands; caudal fin brown, shading to black posteriorly; pectoral fins grey with a hyaline outer margin and a broad blackish submarginal zone.
Maturity: Lm unknown. Range unknown. Max Length: 80cm FL
Habitat and Ecology:
Found in coral and rocky reefs and deeper non-reef environments (depth 3-35m). Juveniles recruit into the back reef slopes. Occurs solitary or in small groups.
This species is not protected or subject to fishery regulations. It is caught in the hand line fishery, but is an uncommon component of the catch.
Russell, B. et al 2012. Naso fageni. The IUCN Red List of Threatened Species 2012: e.T177962A1503835. http://dx.doi.org/10.2305/IUCN.UK.2012.RLTS.T177962A1503835.en. (16/10/18).
Froese, R. and D. Pauly. Eds. 2018. FishBase https://www.fishbase.de/summary/naso-fageni. (16/10/18)
Randall, J.E. (2001). Surgeonfishes of Hawaii and the World. ISBN: 1-56647-561-9