Naso Reticulatus, a New Unicornfish (Perciformes: Acanthuridae) from Taiwan and Indonesia, with a Key to the Species of Naso

The acanthurid fish Naso reticulatus is described from 2 specimens, 490 and 428 mm, SL, from southern Taiwan and Sumatra. It is distinct in having V,29 dorsal rays, Ⅱ,27 anal rays, no rostral horn or protuberance on the head, a high angular interorbital space, body depth 3.1-3.2 in SL, and a dark reticular pattern on the head and body.