Inhabits shallow reefs or rocky areas. Found in loose aggregations (Ref. 9710). Mainly diurnal. Ingests sand when feeding on algae (Ref. 13442). The spine on both sides of the caudal peduncle may inflict painful wounds (Ref. 5217). Minimum depth reported from Ref. 27115. Also cleaned by Thalassoma noronhanum observed at Fernando de Noronha Archipelago off northeastern Brazil (Ref. 36301), by Elacatinus figaro observed off the coast of São Paulo, southeastern Brazil (Ref. 40102), and by Pomacanthus paru observed at the reefs of the Abrolhos Archipelago, off eastern Brazil (Ref. 40094).Showed selection for sand and chlorophytes (Ref. 55789). Roving herbivore (Ref. 57616). Also Ref. 33499.
- Randall, J.E. 1967 Food habits of reef fishes of the West Indies. Stud. Trop. Oceanogr. Miami 5:665-847. http://www.fishbase.org/references/FBRefSummary.php?id=33
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