Neoglyphidodon polyacanthus (Ogilby, 1889)
Multispine damselfish
photo by Randall, J.E.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  12 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 30 m, non-migratory
Distribution:  Western Pacific: Australia (southern Great Barrier Reef, Lord Howe Island, Norfolk Islands) and New Caledonia.
Diagnosis:  Dorsal spines (total): 14-14; Dorsal soft rays (total): 13-14; Anal spines: 2-2; Anal soft rays: 13-14
Biology:  Adults occur outside the lagoon, usually in deeper surge channels on the leeward side of reefs in the Capricorn Group, Queensland, Australia. Ubiquitous at Lord Howe Island (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). Close relative of N. mitratus (Ref. 90102). 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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