Neopomacentrus filamentosus (Macleay, 1882)
Brown demoiselle
Neopomacentrus filamentosus
photo by Cook, D.C.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  11 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 5 - 12 m, non-migratory
Distribution:  Western Central Pacific: Thailand (Phuket), Malaysia, Singapore, Philippines, Indonesia, Western Australia, Papua New Guinea, New Britain, Solomon Islands, and New Caledonia. Larvae specimen were reported from Guam (Ref. 36961).
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 10-11; Anal spines: 2-2; Anal soft rays: 11-12. Description: Adults with long extended lobes on the dorsal and caudal fins. Plain grey with greenish shine over back. Twin yellow spots on operculum, just above pectoral fin base in juveniles (Ref. 48636). Fins margin blue narrow. Anal fin whitish. Body depth 2.1-2.4 in SL (Ref. 90102).
Biology:  Sporadic distribution (Ref. 48636). Adults inhabit soft bottoms of lagoons and inshore reefs around coral outcrops, rocks, debris, and others (Ref. 7247). 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; 113699).
IUCN Red List Status: Least Concern (LC); Date assessed: 23 September 2021 Ref. (130435)
Threat to humans:  harmless


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