King damselfish
Chrysiptera rex
FishMarine
The body is bright blue with a broad yellow longitudinal stripe on the back. The tail is yellow. The fins are blue. It is an active and territorial fish. It can be kept in groups in a large tank. It reproduces by laying eggs on flat surfaces. Males guard the eggs. It is a hardy and easy-to-keep species.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–27 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty1/5
Dietomnivore
Min. tank100 L
Min. group1
Adult size7 cm
Lifespan6 ans
Temperamentsemi-aggressive
Care notes
A minimum tank size of 100 liters is recommended. Temperature 24-27°C, pH 8.1-8.4. Salinity 1.020-1.025. Omnivorous diet: flakes, pellets, brine shrimp. Can be kept in groups of 3-5. Beware of aggression between males. Compatible with most reef fish. Efficient filtration is required. Parameters must be stable.