科: Odontobutidae
ドンコ（Odontobutis obscura）はトウゴロウ科に分類される淡水魚で、中国東部に分布する。成魚は約 13.6–19.9 cm、適水温 18–26 °C。
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.
中級向き。水質の安定が重要。Peaceful but territorial toward its own kind。A bonded pair claims one cave; keep others elsewhere。
18–26 °C が目安。急変を避け、Stable temperature matching the species origin。
成魚は約 13.6–19.9 cm。Middle of the water column。最小 475 L の水槽。
Small carnivore — live, frozen and fine sinking foods。Fine sand and gravel上で採餌する性質を活かし、沈む餌も与える。
可能。Peaceful but territorial toward its own kind。おすすめ：Non-goby bottom fish — Ignore its territorial posturing。Large aggressive fish — Shatter its sense of coverとの混泳は避ける。
原産地は中国東部。Warm freshwater streams and lakesに生息。Still to gentle current。Moderate oxygen levels。
飛び出しの傾向は低い。標準のふたでOK。
繁殖：Hidden-clutch spawner with paternal care。Subtle external differences。