A small freshwater catfish that habitually swims upside down so as to browse on algae on the undersides of floating leaves. Native to central Congo, it is popular in aquaria.
倒游鲇鱼
Synodontis nigriventris, family Mochokidae
Example sentencesExamples
This fish is seen far less often in the aquarium trade, but also appears under the name of upside-down catfish.