Altrichthys azurelineatus (Fowler & Bean, 1928)
Azure damselfish
Silver-streaked damselfish,  Azure damselfish
Altrichthys azurelineatus
photo by Bernardi, G.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  6.5 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 10 m, non-migratory
Distribution:  Western Central Pacific: Philippines
Diagnosis:  Dorsal spines (total): 14-14; Dorsal soft rays (total): 13-14; Anal spines: 2-2; Anal soft rays: 14-15. Description: Head and body pale grey, scale margin blue (Ref. 90102). Differs from other members of the genus Amblyglyphidodon in having 14 dorsal spines, 21 - 24 gill rakers, and tiny serrae on the suborbital margin (Ref. 7247). Body depth 1.6-1.8 in SL (Ref. 90102).
Biology:  Found near sheltered shores at shallow depth. Inhabits rich live corals in pairs or groups of juveniles and subadults (Ref. 90102). Plankton comprise the dominant natural food (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). Lacks pelagic larval stage; young remains with parents during early stages (similar to Acanthochromis polyacanthus) (Ref. 90102).
IUCN Red List Status: Vulnerable (VU); Date assessed: 15 November 2010 (B2ab(iii,v)) Ref. (130435)
Threat to humans:  harmless
Country info:  Known from Calamianes and Cuyo Islands, and north-eastern Palawan (Ref. 48613); collected from Busuanga, Uson Island and Tara Island (Ref. 116663). Also Ref. 7247.


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