Adults can be recognized by the yellow ring around the eyes and a round black spot at the upper gill opening.
Black-spot surgeonfish grow to a size of 17.72" to 19.69" at full length and should be kept in least in an aquarium of around 550 gallons or larger in size to provide plenty of swimming room for these fish.
Acanthurus kingii Bennett, 1835
Acanthurus nummifer Valenciennes, 1835
Hepatus bariene (Lesson, 1831)
Rhombotides nummifer (Valenciennes, 1835)
Classification: Biota > Animalia (Kingdom) > Chordata (Phylum) > Vertebrata (Subphylum) > Gnathostomata (Superclass) > Pisces (Superclass) > Actinopteri (Class) > Perciformes (Order) > Acanthuroidei (Suborder) > Acanthuridae (Family) > Acanthurus (Genus) > Acanthurus bariene (Species)