Dascyllus flavicaudus Randall & Allen, 1977
Yellowtail dascyllus
Dascyllus flavicaudus
photo by Randall, J.E.

Family:  Pomacentridae (Damselfishes), subfamily: Chrominae
Max. size:  12 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 3 - 40 m, non-migratory
Distribution:  Pacific: southeastern Oceania including Society Islands, Tuamoto Islands, Pitcairn Group, and Rapa.
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 15-16; Anal spines: 2-2; Anal soft rays: 13-14
Biology:  Adults inhabit coral and rocky reefs (Ref. 7247). A protogynous hermaphrodite (Ref. 55367). Feeds on zooplanktons (Ref. 89972). 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). Diurnal species (Ref. 54980; 113699).
IUCN Red List Status: Least Concern (LC); Date assessed: 23 September 2021 Ref. (130435)
Threat to humans:  harmless


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