Orange-spine Unicornfish
Naso lituratus
FishMarine
The body is elongated and compressed, gray-blue with yellow highlights. A frontal horn is present in adults. The caudal spines are bright orange. The caudal fin is crescent-shaped. Juveniles lack the horn. It is a powerful and active swimmer. In the aquarium, it can become territorial and requires a lot of space. It feeds on algae and plankton.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty3/5
Dietherbivore
Min. tank600 L
Min. group1
Adult size45 cm
Lifespan10 ans
TemperamentSemi-aggressive
Care notes
Temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. A minimum 600-liter aquarium is essential. Herbivorous diet with algae, nori, spirulina, and plankton supplements. Be careful with other surgeonfish: it can be aggressive. Provide a large swimming area and rocks for hiding. Strong filtration and high flow are necessary. Nitrates <20 mg/L, phosphates <0.1 mg/L.