Description Underwater photographs of Acanthurus tractus (A to C) and Acanthurus bahianus (D to F). Note the clear and consistent difference in the coloration of the margin of the caudal and dorsal fins.
Photographs by J. Randall (1A), D. Snyder (1B, 1C), O. Luiz-Junior (1D, 1E) and G. Allen (1F).
Source: Bernal, M. A.; Rocha, L. A. (2011). Acanthurus tractus Poey, 1860, a valid western Atlantic species of surgeonfish (Teleostei, Acanthuridae), distinct from Acanthurus bahianus Castelnau, 1855. Zootaxa. 2905, 63-68PNG file - 4.29 MB - 1 800 x 1 740 pixelsadded on 2018-11-08169 viewsWoRMS taxaDigital photo, entire speciesAcanthurus bahianus Castelnau, 1855checked Bailly, Nicolas 2018-11-08Digital photo, entire speciesAcanthurus tractus Poey, 1860checked Bailly, Nicolas 2018-11-08 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
Disclaimer: WoRMS does not exercise any editorial control over the information displayed here. However, if you come across any misidentifications, spelling mistakes or low quality pictures, your comments would be very much appreciated. You can reach us by emailing firstname.lastname@example.org, we will correct the information or remove the image from the website when necessary or in case of doubt.