Lateral section of skin with lateral line canal (250x). a) canal lumen. b) goblet cell. c) scale. d) muscle. e) loose connective tissue. f) sensory epithelium. The lateral line system of acanthurids is often the sight of extensive erosion in captive fish. Much speculation as to the etiology of these lesions has been discussed, but some anecdotal information as well as a few studies suggest that nutrition may be involved.

Lateral section of skin with lateral line canal (250x). a) sensory epithelium. b) loose connective tissue. c) muscle. d) scale. e) canal pore.