Aron's blenny
Ecsenius aroni
Ecsenius aroni grows up to 6 cm. Its elongated body is brown-red with light spots and a continuous dorsal fin. It has small tentacles above the eyes. It is a territorial but non-aggressive fish towards other species. It spends its time perching on rocks and grazing algae. It can slightly change color depending on its mood. Its active behavior and facial expressions make it very popular.
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
Care notes
Maintain temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. A minimum tank size of 80 liters is recommended. Provide plenty of rockwork hiding places. It feeds on algae, spirulina, and small crustaceans. It is compatible with most peaceful fish and invertebrates. Avoid aggressive or overly large fish. Good filtration and moderate lighting are sufficient. It may jump, so a lid is advised.