Achilles Tang

Achilles Tang

Acanthurus achilles

🧂 Saltwater 🔥 Aggressive 🔴 Advanced 🌿 Herbivore Reef Safe

Jet-black body with a striking orange teardrop patch near the tail. One of the most beautiful and challenging tangs.

Tank Size

125 gal
minimum (180+ preferred)

Temperature

74–82°F
23–28°C

pH Range

8–8.4
water acidity

Max Size

10"
25.4 cm

Lifespan

10+ years
typical in captivity

Swim Level

All
preferred zone

Care Notes

Extremely ich-prone and aggressive toward other tangs. Expert-only fish requiring pristine water quality and strong flow.

Feeding

Nori seaweed, marine algae sheets, spirulina, and frozen mysis.

Compatible Tank Mates

None identified.

Use Caution With

Maroon Clownfish 6" Blue Devil Damselfish 3" Powder Blue Tang 9" Purple Tang 10" Three Stripe Damselfish 3" Domino Damselfish 5" Four Stripe Damselfish 3" Jewel Damselfish 6" Clown Tang 15" Huma Huma Triggerfish 10" Clown Triggerfish 20"

Incompatible With

Ocellaris Clownfish 3" True Percula Clownfish 3" Blue Green Chromis 3" Yellowtail Damselfish 2.5" Blue Tang 12" Yellow Tang 8" Kole Tang 7" Clarkii Clownfish 5" Tomato Clownfish 5" Scopas Tang 8" Naso Tang 18" Convict Tang 8"

Check Compatibility

Want to check if Achilles Tang is compatible with a specific fish? Use our compatibility checker to build your complete tank.