- Occurs in small groups and mixed with other damselfishes, rarely observed singly.
- Females reported to attach eggs on substrates such as boulders, and males will guard and aerate the eggs until hatching.
- Feeds on plankton.
- Body is dark brown with a white spot at the end of dorsal fin base.
- Elongated caudal fin lobes.
- A blackish spot above the operculum near the origin of the lateral line, which readily distinguishes from the Pearl-spot chromis.
- Reproductively active males were noted in at least in August and September. Light coloured blotches appear in breeding males.
Common Name: Regal demoiselle
Family Common Name: Damselfishes
Scientific Name: Neopomacentrus cyanomos ___(Bleeker, 1856)
Maximum Length: 10 cm (Total Length)