- EnglishName: Twospot demoiselle
- Local Name : Dhanbaa
- Size : Max. 9 cm
- Family: POMACENTRIDAE
- Order : Perciformes
- Distinctive Characters: Dorsal fin with 13 spines and 12-14 rays. Anal fin with 2 spines and 13-14 rays. Pectoral rays 17-19. Body depth 2.2-2.5 in standard length. Body compressed. Pectoral fin shorter than the pelvic fin. First ray of pelvic fin elongated. Opercular bones not serrated. Dorsal spines gradually increasing in length to the end.
- Colour: Variable. Body brownish grey, paler below. Adults darker and dull. Scattered blue spots on back and head. Two black spots posteriorly on dorsal fin.
- Habitat and Biology: Inhabits lagoons usually adjacent to shore among rubble or around rocky outcrops and sandy areas at depths up to 5 m. Occurs solitary or in groups. Feeds on benthic large.
- Distribution: Indo-Pacific.
- Remarks: Chrysiptera biocellata is sometimes confused with C. unimaculata but can be distinguished by its different habitat (C. unimaculata lives in more exposed areas).