Stethojulis trilineata (Bloch & Schneider, 1801)
Three-lined rainbowfish
photo by Randall, J.E.

Family:  Labridae (Wrasses), subfamily: Corinae
Max. size:  16.5 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 20 m
Distribution:  Indo-West Pacific: Red Sea, Maldives to Samoa and Palau, north to Tokara Island, Japan, south to Montague Island (Australia).
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 11-11; Anal spines: 3-3; Anal soft rays: 11-11. Females spotted, males with lines (Ref. 48636).
Biology:  Often found on exposed reefs with shallow clear water. Usually swim in loose groups along upper parts of drop-offs or above reef crests (Ref. 48636). May also be found solitary or in pairs (Ref. 90102). Minimum depth reported from Ref. 90102.
IUCN Red List Status: Least Concern (LC); Date assessed: 12 July 2008 Ref. (130435)
Threat to humans:  harmless


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