School of surgeonfishes (Acanthurus chirurgus), blue tangs (Acanthurus coeruleus) and sergeant majors (Abudefduf saxatilis), Fernando de Noronha, Brazil, South America

acanthurus chirurgus acanthurus sp animals fernando de noronha fishes fish horizontal marine reserve national parks pernambuco preserve reserve surgeon fish surgeon fishes surgeonfish surgeonfishes schooling shoal shoaling underwater day outdoors nature natural world marine life sea seas ocean oceans groups shoals schools blue tangs sergeant majors abudefduf saxatilis acanthurus coeruleus brazil south america