Chromis alleni Randall, Ida & Moyer, 1981
Allen's chromis
Chromis alleni
photo by Randall, J.E.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  6.5 cm SL (male/unsexed)
Environment:  reef-associated; depth range 10 - 30 m, non-migratory
Distribution:  Northwest Pacific: Miyake-jima, Bonin Islands of Japan and south to Taiwan.
Diagnosis:  Dorsal spines (total): 11-12; Dorsal soft rays (total): 12-13; Anal spines: 2-2; Anal soft rays: 12-13. Overall color is brown with a prominent black spot on the base of the pectoral fin. Caudal fin and peduncle white.
Biology:  Adults inhabit coral or rocky outer reefs (Ref. 7247). Diurnal species (Ref. 52881). 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: 16 November 2010 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Reyes, Rodolfo B. - 26.07.94
Modified by: Capuli, Estelita Emily - 21.10.19

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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