- EnglishName: Blacktail snapper
- Local Name : Dhon mas
- Size : Common to 25 cm; max. 40 cm
- Family: Order :
- Specimen :LUTJANIDAE
- Distinctive Characters: Dorsal fin with 10 spines and 14 rays. Anal fin with 3 spines and 8 rays. Pectoral fin with 16 rays. Body depth 2.3-2.8 in standard length. Dorsal profile of head steeply sloped. Preopercle with prominent notch on rear edge. Posterior profile of dorsal and anal fins rounded. Scale rows horizontal below lateral line, but rising obliquely above it. Caudal fin emarginate.
- Colour: Greyish pale yellow or white ventrally. Faint narrow yellow stripes may be visible on body. Caudal fin black, with narrow white margin. Anal and pelvic fins yellow. Dorsal fin reddish brown.
- Habitat and Biology: Frequents coral patches in lagoons and outer reef slopes in about 2-40 m depth. Feeds mainly on crustaceans, occasionally on small fishes, cephalopods and holothurians.
- Distribution: Indo-West Pacific.
Remarks: The blacktail snapper, Lutjanus fulvus is with its fine grey-yellow colouration, is one of the most attractive snappers. Although by no means rare, it is much less than the related L. bohar, L. gibbus and L. kasmira.