
Achilles Tang (Acanthurus achilles)
Max Size: 8 1/2 inchesDiet: HerbivoreTemperament: Semi-AggressiveReef Compatible: YesMinimum Tank Size: 180 gallons The Achilles Tang, also known as the Red-tailed Surgeon or Achilles Surgeonfish, boasts a striking appearance with its dark brown to purple body color. Vibrant highlights of white and orange adorn the dorsal, caudal, and anal fins, while a white marking graces the gill covers. Notably, a captivating orange teardrop is present near the caudal fin. Juveniles of this species exhibit an orange streak by the tail, different from the teardrop shape seen in adults. Providing a spacious environment is essential for the Achilles Tang, necessitating a 180-gallon aquarium or larger to accommodate its need for plenty of swimming room. These fish thrive in areas with strong water flow, mirroring their natural habitat in surge zones. When housed with other fish, the Achilles Tang showcases a peaceful demeanor, but it can be aggressive towards other Tangs and Surgeonfish. While the Tang