Powder blue surgeonfish [Acanthurus leucosternon]

Acanthurus leucosternon is a tropical fish with the common names Powder blue tang and Powder blue surgeonfish.

The powder blue tang is light blue with yellow and white highlighted fins. Its face is a uniform black with a white outline. The fish doesn’t undergo color changes as it matures as some tangs, surgeonfish and unicornfish do. The species can grow to a maximum length of 25cm. The powder blue tang, like most in the Acanthuridae family is omnivorus eating mostly benthic algae.

Acanthurus leucosternon’s natural distribution is in the Indian Ocean in clear reef settings, from Indonesia and Christmas Island westward to eastern Africa to the Andaman Sea. (text source: wikipedia)

Picture: Andaman&Nicobar Islands, India by Sami Salmenkivi

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