Common in coral and rocky reef tops to depths of 30 meters and often solitary or in pairs . Photo of individual from Brazil (Toque-Toque Beach, municipality of São Sebastião, state of São Paulo), 10.5 cm TL in length (T. Vaske, Jr. pers.comm. 2011).
Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 11. Juveniles and females with wide black stripe through eye to base of tail, bordered above by prominent pinkish-brown line; white scales with orange spots on lower half of the body . Adult males primarily green with scales bordered by pink and a black spot on anterior part of the dorsal fin. Narrow (
Behavioural data for Halichoeres Penrosei is currently being reviewed.
Diet information for Halichoeres Penrosei is currently being compiled.
Distinct pairing during breeding .
Marine; reef-associated; depth range ? - 30 m . Tropical Southwest Atlantic: Southeastern Brazil, including Trinidade Island.
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