Chromis anadema Motomura, Nishiyama & Chiba, 2017
Short-tail doublebar Chromis

Family:  Pomacentridae (Damselfishes), subfamily: Chrominae
Max. size:  11.55 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 3 - 45 m
Distribution:  Pacific Ocean: oceanic islands, Ryukyu, Mariana, Marquesas, Society, Gambier, and Pitcairn islands.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 10-11; Anal spines: 2-2; Anal soft rays: 10-12. A species of Chromis with the following combination of characters: D XIII,10-11 (mode 11); A II,10-12 (11); pectoral-fn rays 18-20 (19); upper and lower procurrent caudal-fn rays 3; pored lateral-line scales 17-19 (18); gill rakers 7-9 (8) + 20-24 (22) = 28-33 (30); longest dorsal-fin soft ray length 20.0-24.7% (mean 22.3%) of SL; first anal-fin spine length 5.0-6.1% (5-6%) of SL; caudal-fin length 33.4-43.8% (38.4%) of SL; posterior tips of caudal-fin lobes non-filamentous in adults; with broad black bands along preopercular and opercular margins, sum width of two bands 28.9-38.7% (33.1%) of head length; adults with distal half of soft-rayed dorsal fin transparent and with triangular black blotches at the upper and lower caudal-fin base; adults with caudal peduncle and fin bluish black; body grayish and all fins (except for pectorals) bright yellow in juveniles (Ref. 129596).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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