科: Siluridae
兰州鲇为鲶科鱼类，夜行性居多，白天安静潜伏，原生分布于中国各水系。夜行底栖者，灯灭之后才是它一天的开始。成体约 85.5–125.4 cm，小型种可成对，大型种单养，适宜水温 21–26 °C。沉底饲料，关灯后再喂。
Silurus lanzhouensis, a member of the family Siluridae, comes from China, where it inhabits slow rivers and lakes. Peaceful; most activity happens after dark and omnivorous scavenger — sinking pellets, frozen and vegetable foods, it grows to 85.5–125.4 cm and adapts well to a properly set-up aquarium in the 21–26 °C range. Other Silurus species in our database include Silurus asotus, Silurus meridionalis, Silurus soldatovi.
饲养难度：中等。Peaceful; most activity happens after dark。
建议水温 21–26 °C，21.0–26.0 °C typical for the family；Stable temperate range。
成体约 85.5–125.4 cm；最小缸体 500 L，并留出活动空间。
Omnivorous scavenger — sinking pellets, frozen and vegetable foods。建议人工饲料搭配冷冻或活饵，保证多样性。
可以。Peaceful; most activity happens after dark，适合与Other similar-sized bottom fish — Share the floor peaceably混养。避开Tiny fish that fit in its mouth — Vanish at night。
分布于中国各水系：Slow rivers and lakes，Still to gentle current。
人工环境下：Spawning rarely seen; presumed crevice egg-layer。Hard to distinguish。