Yellowtail damselfish
Chrysiptera parasema
FishMarine
The body is dark to light blue, with a fully yellow tail. The dorsal and anal fins are blue. It is an active fish that swims in open water. It is territorial but can coexist with other fish. It reproduces by laying eggs on hard substrates. Males become more colorful during breeding. It is a very common species in the hobby.
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 sufficient. 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 intraspecific aggression. Compatible with most reef fish. Good filtration is recommended. Parameters must be stable.