Overview
The Harlequin Tuskfish (Choerodon fasciatus) is a intermediate saltwater species known for its blue-green, orange bars, blue tusks coloration. Blue tusks. Mid to Bottom.
Origin & Appearance
Origin: Western Pacific.
Colors: Blue-Green, Orange bars, Blue tusks.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 30.0 x 5.4 x 9.0.
Sexual Dimorphism: Strong; sequential hermaphrodite; terminal males more colorful.
Tank & Water Requirements
| Min Tank Size | 79 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | high |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Powerful reef swimmer; uses tusk-like teeth to flip rocks and crush prey; confident mid-level cruising
Speed: 50/100Aggression: 3/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Ich
Expert Notes
Blue tusks; orange/blue bars; beautiful