Halichoeres dimidiatus (Agassiz, 1831)
Halichoeres dimidiatus
photo by Wirtz, P.

Family:  Labridae (Wrasses), subfamily: Corinae
Max. size:  27 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 3 - 60 m
Distribution:  Southwest Atlantic: French Guiana to the State of São Paulo, Bazil.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 12-12; Anal spines: 3-3; Anal soft rays: 12-12. Juveniles and females blue with a bright yellow region dorsally from mouth to posterior base of dorsal fin; caudal fin with a single dark spot. Adults with a broad blue stripe on upper half of body ending at the beginning of the caudal fin; lower half of body light blue; a diagonal dark band from eye to nape. Two pairs of enlarged canine teeth anteriorly in the lower jaw (Ref. 52607).
Biology:  Usually observed solitary; juveniles relatively common in shallow waters (3 - 20 meters) while adults are in deeper waters (30 - 60 meters) (Ref. 52607).
IUCN Red List Status: Least Concern (LC); Date assessed: 12 March 2008 Ref. (130435)
Threat to humans:  harmless


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