Chrysiptera oxycephala (Bleeker, 1877)
Blue-spot demoiselle
Chrysiptera oxycephala
photo by Cook, D.C.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  9 cm TL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 1 - 20 m, non-migratory
Distribution:  Western Central Pacific: Borneo, Indonesia, Philippines, New Guinea, and Palau.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 11-12; Anal spines: 2-2; Anal soft rays: 12-13. Description: Usually pale green, spots blue, but exhibits geographic color variation. Juveniles anterior blue, posterior yellow (Ref. 90102). Small juveniles brilliant blue and gradually changing to adult pattern (Ref. 48636). Body depth 1.9-2.0 in SL (Ref. 90102).
Biology:  Adults are found among live corals of sheltered lagoon and inshore reefs (Ref. 1602). Feed on zooplankton (Ref. 1602). They occur solitary or in pairs (Ref. 48636). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Diurnal species (Ref. 113699). Maximum depth reported taken from Ref. 128797.
IUCN Red List Status: Least Concern (LC); Date assessed: 23 September 2021 Ref. (130435)
Threat to humans:  harmless


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