The Achilles Tang, also known as the Red-tailed Surgeon, or Achilles Surgeonfish, is very dark brown to purple. It has bright highlights of white and orange around the dorsal, caudal, and anal fins. A white marking is also present on the gill covers and a striking orange teardrop is found near the caudal fin.

A 100-gallon aquarium or larger is necessary to provide plenty of swimming room. It is aggressive towards other Tangs and Surgeonfish, but peaceful with other fish.

The diet of the Achilles Tang should consist of algae and vegetarian items such as Spirulina, zucchini, broccoli, leaf lettuce, and dried seaweed.

Like other tangs and surgeonfish, they are generally compatible with: Dwarf Angelfish, Large Angelfish, Anglers & Frogfish, Anthias, Basslets, Blennies, Boxfish, Clownfish, Damselfish, Eels, Filefish, Goatfish, Gobies, Groupers, Grunts & Sweetlips, Hawkfish, Hogfish, Lionfish & Scorpionfish, Parrotfish, Pseudochromis, Puffers, Squirrelfish and Wrasse.

Fish Facts

Name: Achilles Tang (Acanthurus achilles)

Family: Acanthuridae

Range: Pacific

Size: Up to 8 inches

Diet: Herbivore

Tank Set-up: Marine: Coral or rock, plants

Reef Compatible: With caution

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 100 gallon

Light: High

Temperament: Peaceful

Swimming Level: No specific level

Care Level: Experts only

Reproduction: Group Spawner