Three-stripe damselfish
Dascyllus aruanus
FishMarine
The three-stripe damselfish grows up to 10 cm. Its body is white with three vertical black bands. The fins are white. It is a very active and territorial fish, especially towards other damselfish. It can be aggressive in a small tank. It lives in small groups in the wild. It reproduces by laying eggs on a substrate.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| Salinity | 1.02–1.025 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty2/5
Dietomnivore
Min. tank150 L
Min. group3
Adult size10 cm
Lifespan6 ans
Temperamentterritorial
Care notes
Temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. Minimum tank size 150 liters. Omnivorous: brine shrimp, mysis, algae. Compatible with robust fish. Avoid shy fish. Can be kept in groups if tank is large. Territorial, introduce last. Breeding possible.