Ctenochaetus flavicauda
| Identification | Dark brown to black body covered in fine orange-blue horizontal lines. The caudal fin is distinctively white, contrasting sharply with the dark body. The eye has a yellow-orange ring. |
| Maximum Length | Up to 7 inches (18 cm) |
| Origin | Western Pacific — Fiji, Tonga, Samoa |
| Minimum Tank Size | 70 gallons |
| Reef Compatible | Yes — excellent |
Behavior
A standout in the Ctenochaetus genus for its white tail, making it easily identifiable in a mixed tang system. Peaceful, hardy, and an excellent algae grazer. Well suited to reef aquariums of moderate size.
Diet & Feeding
Herbivore and detritivore. Grazes on film algae, detritus, and organic matter from rock surfaces. Supplement with dried seaweed and algae-based prepared foods.