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Range DescriptionAuchenoglanis occidentalis is a demersal, potamodromous species. It inhabits lakes and large rivers across much of Africa.
Central Africa: Auchenoglanis occidentalis is known from throughout the Congo River basin. It is also known from the Cross River in Cameroon.
Eastern Africa: This species is present in Lake Tanganyika and major affluent rivers, including Rusizi and Malagarasi, as well as Lakes Albert and Edward. It is found in the Blue and White Niles, Aswa river, Omo River, Lake Turkana and Giuba River.
Northern Africa: This species is now rare in This species is known from upper Egyptian Nile (Luxor and Aswan).
Northeast Africa: It is found in Setit in Eritrea and the Ghazal and jebel systems in Sudan. It is also known from Baro, Omo and Wabishebelle Rivers in Ethiopia.
Western Africa: This species is known from the Chad basin, the Niger, Senegal, and Gambia, where it is sympatric with Auchenoglanis biscutatus. Also occurs in the Volta basin, in Ivorian basins of the Comoe, Bandama and Sassandra, Casamance (Senegal), Géba and Corubal (Guinea), Jong and Moa (Sierra Leone) and in the River Cross. It has also been mentioned from the Ogun in Nigeria and from southern Ghana. It should be noted that this species has never been observed in large quantities in forested areas.