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Acanthurus tractus & Acanthurus bahianus
Acanthurus tractus & Acanthurus bahianus
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, 63-68
PNG file - 4.29 MB - 1 800 x 1 740 pixels added on 2018-11-08169 viewsCaRMS taxaDigital photo, entire species Acanthurus bahianus Castelnau, 1855checked Bailly, Nicolas 2018-11-08 Creative Commons License This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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