African Knifefish
Xenomystus nigri
Difficulty (1-5): 3/5
Description
Nocturnal knifefish that swims backwards as easily as forwards using a single undulating fin. Needs caves and dim light.
Water test requirements
- pH: 6 – 7.5
- Temperature: 23 – 28 °C
- General Hardness (GH): 2 – 15 °dGH
- Nitrate (NO3): ≤ 25 mg/L