Aquarium of the Pacific | Online Learning Center | Convict Surgeonfish

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Convict Surgeonfish

Acanthurus triostegus

 |   Conservation Status:  Safe for Now

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This species is possibly the most numerous in the surgeonfish family, Acanthuridae. It is widely distributed in tropical Pacific and Indo-Pacific waters. The convict part of the common name of these fish results from the resemblance of the black bands on their creamy-white bodies to the striped uniforms once worn by prison convicts. Another common name is convict tang.

Facts and FeaturesFull Description >>

Geographic Distribution

Common in most tropical waters from east Africa through the Indo-Pacific and equatorial islands to the eastern Pacific, south from the Gulf of California through Mexico, Nicaragua, Costa Rica, Equador and in the Cocos, Clipperton, Malpelo and Galapagos Islands.

Amazing Facts

Eagle rays may be seen gorging on the eggs newly broadcast by convict surgeonfish during the spawning process.

At the Aquarium

Gulf of California