科: Odontobutidae
暗色沙塘鳢为沙塘鳢科鱼类，温和，但对同类有领地意识，原生分布于中国东部水系。底栖栖息者，终日穿梭于岩石、缸壁与洞穴之间，造景决定它的性情。成体约 13.6–19.9 cm，一穴一鱼，各得其所则相安无事，适宜水温 18–26 °C。一鱼一洞，万事大吉。
A Odontobutidae species native to eastern China: Odontobutis obscura lives middle of the water column over warm freshwater streams and lakes. Peaceful but territorial toward its own kind. Adults reach 13.6–19.9 cm. It is one of the aquarium-kept Odontobutis species we profile, alongside Odontobutis potamophila, Odontobutis sinensis, Odontobutis platycephala.
中等难度，稳定水质比高端设备更关键。Peaceful but territorial toward its own kind，A bonded pair claims one cave; keep others elsewhere。
水温控制在 18–26 °C，重点是稳定。Stable temperature matching the species origin。
成体约 13.6–19.9 cm，属Middle of the water column鱼类，建议至少 475 L 缸体。
Small carnivore — live, frozen and fine sinking foods。它在Fine sand and gravel上自然觅食，投喂可少量多次。
可以。Peaceful but territorial toward its own kind，适合与Non-goby bottom fish — Ignore its territorial posturing混养。避开Large aggressive fish — Shatter its sense of cover。
原生于中国东部水系，栖息于Warm freshwater streams and lakes。Still to gentle current，Moderate oxygen levels。
无明显跳缸倾向，常规缸盖即可。
人工环境下：Hidden-clutch spawner with paternal care。Subtle external differences。