Forktail blenny
Meiacanthus atrodorsalis
FishMarine
Meiacanthus atrodorsalis reaches 10 cm. Its body is elongated, bright yellow with a black stripe on the dorsal fin. The tail is deeply forked. It has venom glands in the jaws, but the sting is harmless to the aquarist. It is a pelagic fish that often swims in open water. It is curious and can recognize its owner. It feeds on zooplankton and small invertebrates.
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
Difficulty3/5
Dietcarnivore
Min. tank120 L
Min. group1
Adult size10 cm
Lifespan5 ans
Temperamentpeaceful
Care notes
Temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. A minimum tank of 120 liters is recommended. It needs open swimming space and some rockwork. It accepts frozen foods and flakes. Compatible with peaceful fish, avoid predators. It can be kept in groups if the tank is large enough. Efficient filtration is necessary. It is sensitive to water quality.