Acanthurus nigricauda

Species of fish

Acanthurus nigricauda, the epaulette surgeonfish, black-barred surgeonfish, eye-line surgeonfish, shoulderbar surgeonfish, white-tail surgeonfish or blackstreak surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. It is native to the Indo-Pacific region.

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