科: Notopteridae
黑魔鬼刀鱼为弓背鱼科鱼类，温和，宜与体型相近的和平鱼混养，原生分布于非洲。性情平和、食性杂，是混养缸里最省心的居民之一。成体约 4–8 cm，4–6 尾可观察自然行为，适宜水温 20–26 °C。稳水、换水、杂食，足矣。
Xenomystus nigri, a member of the family Notopteridae, comes from Africa, where it inhabits warm freshwater streams and lakes. Peaceful; keep with similar-sized calm tankmates and omnivore; prepared foods with regular variety, it grows to 4–8 cm and adapts well to a properly set-up aquarium in the 20–26 °C range. In a community tank it pairs well with Robust schooling cyprinids.
中等难度，稳定水质比高端设备更关键。Peaceful; keep with similar-sized calm tankmates，Keep in a group of 4–6 for natural behaviour。
水温控制在 20–26 °C，重点是稳定。Stable temperature matching the species origin。
成体约 4–8 cm；最小缸体 77 L，并留出活动空间。
Omnivore; prepared foods with regular variety。建议人工饲料搭配冷冻或活饵，保证多样性。
Peaceful; keep with similar-sized calm tankmates。推荐混养：Robust schooling cyprinids — Add activity without conflict。避免与Much larger predators — Risk at night同缸。
原生于非洲，栖息于Warm freshwater streams and lakes。Still to gentle current，Moderate oxygen levels。
跳缸风险低，但加缸盖更稳妥。
人工环境下：Breeding is straightforward scatter-spawning。Subtle external differences。