ScotCat Factsheets: December 2005: Oxydoras niger (Valenciennes, 1821)
Oxydoras niger (Doradidae) Cat-eLog
PDF) The occurrence of Contracaecum sp. larvae (Nematoda: Anisakidae) in the catfish Clarias gariepinus (Burchell) from Lake Chivero, Zimbabwe
Oxydoras niger (Doradidae) Cat-eLog
ADW: Oxydoras niger: INFORMATION
Gambierdiscus excentricus sp. nov. (Dinophyceae), a benthic toxic dinoflagellate from the Canary Islands (NE Atlantic Ocean) - ScienceDirect
Oxydoras niger, Ripsaw catfish : fisheries, aquarium
catfishes Ron's Critter of the Day
Oxydoras niger - Wikipedia
February - 2001 - Catfish of the Month
catfishes Ron's Critter of the Day
Oxydoras niger
Continental distribution of North American black scoter (BLSC), surf
Oxydoras niger (Doradidae) Cat-eLog
Oxydoras niger (Doradidae) Cat-eLog
The effects of Contracaecum osculatum larvae on the growth of Atlantic cod (Gadus morhua) - ScienceDirect