- EnglishName: Pacific gregory
- Local Name : Rongu dhanbaa
- Size : Max. 12 cm
- Family: POMACENTRIDAE
- Order : Perciformes
- Distinctive Characters: Dorsal fin with 13 spines and 15-17 rays. Anal fin with 2 spines and 12-14 rays. Pectoral rays 19-21. Body depth 1.6-2.1 in standard length. Margins of preopercle and suborbital serrate; suborbital scaled. Teeth uniserial.
- Colour: Dark brown with black scale outlines. A small black spot on upper pectoral base. Many lavender spots on head and breast. Rear margins of dorsal, caudal and anal fins yellow. In juveniles tips of first few interspinous membranes of dorsal fin bright yellow; caudal peduncle and fin often yellow.
- Habitat and Biology: Common in shallow areas exhibiting mild to moderate surge conditions at depths up to 5 m. Also occurs in rocky habitats from shallow surge pools down to at least 30 m.
- Distribution: Indo-Pacific.
- Remarks: Stegastes fasciolatus is common throughout most of its range. However, it is not well documented over much of its range, probably due to its sombre colouration which it shares with a number of other Indo- West Pacific members of Stegastes and Pomacentrus.