Chrysiptera unimaculata (Cuvier, 1830)
Onespot demoiselle
photo by Randall, J.E.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  10 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 3 m, non-migratory
Distribution:  Indo-West Pacific: Red Sea and East Africa to Fiji, north to Ryukyu Islands, south to the southern Great Barrier Reef. Recently reported from Tonga (Ref. 53797).
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 13-14; Anal spines: 2-2; Anal soft rays: 12-14. Description: Those between Pacific and Indian Ocean are most different. Adults usually plain dark with a black spot at the end of the dorsal fin base and a small orange spot on gill-plate (Ref. 48636). Body depth 2.1-2.4 in SL (Ref. 90102).
Biology:  Adults are found solitarily or in small groups among coastal algal reefs, rubble or over open beach-rock of reef flats exposed to moderate surge and feeds mainly on benthic algae (Ref. 1602). 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. 54980, 120737).
IUCN Red List Status: Least Concern (LC); Date assessed: 02 April 2011 Ref. (130435)
Threat to humans:  harmless


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