Achilles Tang (Acanthurus achilles) – Quick Stats

• Care Level: Moderate
• Temperament: Semi-aggressive
• Diet: Herbivore
• Reef Safe: Yes
• Minimum Tank Size: 180 gallons
• Max Size: Up to 10 inches
• Water Parameters: pH 8.1-8.4, Salinity 1.020-1.025, Temperature 72-78°F

Achilles Tang (Acanthurus achilles) – Comprehensive Guide

Habitat

The Achilles Tang is native to the Pacific Ocean, particularly around the reefs of the Indo-Pacific region. It prefers areas with strong water flow and plenty of hiding spots.

Reef Safe

The Achilles Tang is considered reef-safe, but caution should be exercised with certain corals or invertebrates. It may nip at some types of corals or sessile invertebrates.

Size

The Achilles Tang can grow up to 10 inches long, making it a relatively large fish for a home aquarium.

Temperament

The Achilles Tang is known to be semi-aggressive, especially towards other tangs or similar species. It may exhibit territorial behavior and should be provided with ample swimming space.

Sexual Dimorphism

There are no significant differences in appearance between males and females of the species.

Lifespan

The average lifespan of an Achilles Tang is around 10-15 years with proper care.

Diet in Aquariums

The diet of the Achilles Tang should primarily consist of marine algae, seaweed, and high-quality herbivore preparations. Offering a varied diet will help ensure optimal health and coloration.

Aquascaping Recommendations

Provide plenty of open swimming space for the Achilles Tang and areas with live rock or coral structures for hiding and grazing. Ensure strong water flow to mimic its natural habitat.

Captive Bred Availability

The Achilles Tang is rarely available as captive-bred specimens. Most individuals in the aquarium trade are wild-caught.

Compatibility with Other Tankmates

The Achilles Tang can be aggressive towards other tangs or similar species, so keeping only one individual per tank is best. However, it can coexist with other fish, invertebrates, and corals. Some suitable tankmates include:

1. Purple Tang (Zebrasoma xanthurum) – Peaceful and adds vibrant color to the tank.
2. Blue Tang (Paracanthurus hepatus) – Known for its striking blue coloration and peaceful nature.
3. Firefish Goby (Nemateleotris magnifica) – Adds activity to the lower levels of the tank and is generally peaceful.
4. Cleaner Shrimp (Lysmata amboinensis) – Provides cleaning services and can coexist peacefully with the Achilles Tang.
5. Montipora Coral (Montipora sp.) – A hardy coral species that can withstand the occasional nipping from the tang.

Other Common Names

The Achilles Tang is also known as the Red-tailed Surgeonfish or Achilles Surgeonfish.

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Popular Questions about the Achilles Tang (Acanthurus achilles)

1. What is the recommended tank size for an Achilles Tang?

The minimum tank size for an Achilles Tang is 180 gallons. It requires ample swimming space due to its size and swimming behavior.

2. Can the Achilles Tang be kept in a reef aquarium?

Yes, the Achilles Tang is generally considered reef-safe. However, caution should be exercised when keeping it with certain corals or invertebrates, as it may nip at them.

3. How often should I feed my Achilles Tang?

It is recommended to feed the Achilles Tang at least twice a day. Offer a varied diet consisting of marine algae, seaweed, and high-quality herbivore preparations.

4. Can the Achilles Tang be kept with other tangs?

The Achilles Tang can be aggressive towards other tangs or similar species. Keeping only one individual per tank is best to avoid territorial conflicts.

5. What is the average lifespan of an Achilles Tang?

With proper care, the average lifespan of an Achilles Tang is around 10-15 years.