Sohal tang
Acanthurus sohal
The sohal tang can reach 40 cm. Its body is gray-blue with dark vertical bands and an orange spot at the base of the pectoral fin. Its caudal fin is crescent-shaped. It has a very developed caudal spine. It is one of the most aggressive surgeonfish, dominating the entire aquarium. It needs a very large volume and powerful filtration. In the wild, it lives in harems with a dominant male.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 8.1–8.4 |
| Salinity | 1.023–1.025 |
| NO₃ | ≤ 5 |
| PO₄ | ≤ 0.05 |
Care
Care notes
Aquarium of at least 500 L, ideally 800 L or more. Stable seawater (salinity 1.023–1.025, pH 8.1–8.4, temperature 24–28 °C). Herbivorous, feed with algae and vegetables. Very aggressive, do not keep with other surgeonfish or shy fish. A powerful protein skimmer is essential. Water changes must be frequent. Keep nitrates and phosphates very low.