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Abudefduf declivifrons (Gill, 1862) Mexican nightsergeant |
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photo by
Allen, G.R. |
| Family: | Pomacentridae (Damselfishes), subfamily: Glyphisodontinae | |||
| Max. size: | 18 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 1 - 5 m | |||
| Distribution: | Eastern Pacific: Gulf of California to Acapulco, Mexico. | |||
| Diagnosis: | Dorsal spines (total): 13-13; Dorsal soft rays (total): 12-13; Anal spines: 2-2; Anal soft rays: 10-10. Body gray with 4-5 narrow whitish bars. The suborbital often separated from preopercle; it is clearly demarcated by free lower edge, but sometimes partly attached to cheek with its lower border obscured by scales. | |||
| Biology: | Found in rocky reefs exposed to surge (Ref. 11482). 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). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 27 May 2008 Ref. (130435) | |||
| Threat to humans: | harmless | |||