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Abudefduf sordidus (Forsskål, 1775) Blackspot sergeant |
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photo by
Allen, G.R. |
| Family: | Pomacentridae (Damselfishes), subfamily: Glyphisodontinae | |||
| Max. size: | 24 cm TL (male/unsexed) | |||
| Environment: | reef-associated; brackish; marine; depth range 0 - 3 m, non-migratory | |||
| Distribution: | Indo-Pacific: Red Sea and East Africa to the Hawaiian and Pitcairn islands, north to Japan, south to Australia. | |||
| Diagnosis: | Dorsal spines (total): 13-13; Dorsal soft rays (total): 14-16; Anal spines: 2-2; Anal soft rays: 14-15. Description: Head and body white, vertical bars six grey broad (Ref. 90102). Prominent black spot (saddle) on upper caudal peduncle (Ref. 1602). | |||
| Biology: | Inhabit rocky lagoons, reef flat shorelines and piers subject to mild surge; juveniles are common in tide pools (Ref. 9710). Benthopelagic (Ref. 58302). Occasionally form schools. Feed on algae, crustaceans and other invertebrates during the day. 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). Highly territorial (Ref. 9710). Utilized as a food fish by the Hawaiians (Ref. 7364). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 15 November 2010 Ref. (130435) | |||
| Threat to humans: | harmless | |||