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Paracanthurus hepatus is also known as a regal blue tang, palette surgeonfish, hippo tang and many other common names. (Image credit: Podolnaya Elena | Shutterstock) ...
That's where you'll find paracanthurus hepatus. Just don't get confused with acanthurus leucosternon or acanthurus coeruleus – they all are known as blue tangs!" "Hang tight.