Pomacentrus nagasakiensis Tanaka, 1917
Nagasaki damsel
Pomacentrus nagasakiensis
photo by Randall, J.E.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  11 cm TL (male/unsexed)
Environment:  reef-associated; depth range 3 - 35 m, oceanodromous
Distribution:  Indo-West Pacific: Maldives (Ref. 30829) and Sri Lanka to Vanuatu, north to southern Japan; south to northwestern Australia and New Caledonia.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 15-16; Anal spines: 2-2; Anal soft rays: 15-16. Description: Overall grey, scale margins black, head lines and spots blue, dorsal spines tips black, pectoral fin base spot black large, caudal fin white or grey with stripes wavy. Body depth 1.9-2.2 in SL (Ref. 90102).
Biology:  Adults are found in sandy areas of both lagoon and seaward reefs. They occur in small groups with outcrops of soft coral patches or gorgonians, usually in depths over 20 m (Ref. 48636). Feed primarily on zooplankton. Oviparous, males guard the nest (Ref. 59303). Eggs are demersal and adhere to the substrate (Ref. 205). Diurnal species (Ref. 54980; 113699).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 11.06.92
Modified by: Jansalin, Jeremiah Glenn - 28.10.19

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