African Knifefish – Xenomystus nigri | Wild-caught | Peaceful classic with an elegant swimming style

The African Knifefish (Xenomystus nigri) is the most well-known representative of African knifefish and is considered a true classic among aquarists. With its flat, knife-shaped body and floating, wavy movement, it glides silently through the water – a fascinating spectacle that enriches any aquarium.

In its natural habitat, the calm rivers and swamps of West and Central Africa, Xenomystus nigri lives in densely vegetated bank areas. There, it usually stays in shaded areas and is most active during dusk and night. This species is peaceful, sensitive, and very adaptable – ideal for experienced keepers of calm community tanks.

🌿 Characteristics & Care:
🐟 Fish size: M/L (approx. 10–12 cm, juvenile)
🌍 Origin: West & Central Africa (e.g., Nigeria, Cameroon, Congo) – Wild caught
🌡️ Temperature: 24–29 °C
💧 pH value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐠 Social behavior: Peaceful, calm, crepuscular
🏞️ Aquarium: from 300 l with sand substrate, roots, plants & dim lighting

🍽️ Feeding:
The African Knifefish readily accepts frozen and live food such as Artemia, mosquito larvae, cyclops, and krill. High-quality, fine granules are also accepted after acclimatization. A varied diet promotes vitality and color brilliance.

💡 Tip:
Xenomystus nigri loves calm aquariums with dim lighting, dense planting, and a fine substrate. Peaceful tank mates of similar size are ideal. Stress from hectic species should definitely be avoided.

👉 Conclusion:
The African Knifefish (Xenomystus nigri) is an elegant, peaceful, and fascinating fish with unique swimming behavior – a real eye-catcher for African aquariums.