Overview
The Achilles Tang (Acanthurus achilles) is a advanced saltwater species known for its black, orange teardrop, white accents coloration. Black body with orange teardrop. Mid.
Origin & Appearance
Origin: Pacific.
Colors: Black, Orange teardrop, White accents.
Body Shape: Moderately Compressed (oval-flat). Typical adult dimensions: 24.0 x 3.6 x 10.8.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Fast active reef swimmer; aggressive territorial cruising; needs strong current and open space; high energy
Speed: 65/100Aggression: 5/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Marine ich (crypto)💊 very prone
Expert Notes
Black body with orange teardrop; difficult