Common Name: Achilles Tang
Scientific Name: Acanthurus achilles
Min. Tank Size: 180 gallons
Captive Care: Difficult
Max. Size: 25 cm (10")
Range: Oceania to the Hawaiian and Pitcairn Islands, Wake, Marcus and Mariana Islands, Eastern Central Pacific, southern tip of Baja California , Mexico and other offshore islands
Depth: 0 - 10m (0 - 32.8ft)
Remarks: Likes high-energy type of water that is full of oxygen. It can be extremely territorial to other tangs. In the wild, hybridization with A. nigricans is sometimes seen, with hybrid specimen fetching for top dollars. The sexes are separate among the Acanthurus and there is no evidence of sexual dimorphism. However, there is size dimorphism with females consistently larger than males. Achilles tangs are known to be monogamous in the wild.