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Studies of Fish Species Diversity in Gubi Reservoir, Bauchi State, Nigeria

Gubi river, tagwaye river, link with shadawanka and ran river, is located at firo a village about 12 km north east of Bauchi metropolis and 8 km off Bauchi Maiduguri road. The primary purpose of providing potable water to Bauchi and its environs. A part from improving water supply to the populace, it provides the bulk of fish consumed in the town as well as providing suitable sites for fadama farming resulting in the production of some highly favoured selected crops (Ezra and Nwankwo 2001). The reservoir lies within the boundary of longitude 10 0 25’ N to 10 0 26’ N and latitude 9051’ E to 9 0 52’ E (Wufem et al 2009). Abstract: This study is aimed at assessing the fish species diversity in Gubi Reservoir, Bauchi state Nigeria. It was carried out for a period of six months (October 2017-Match 2018). Thirty-six thousand five hundred and sixty-six (36,566) fishes, comprising eight (8) species belonging to six families were examined from fishers using different fishing gears include gill net, cast net, hooks, burgi net and maley net. The fishes were further identified. The species identified include, Clarias garipienus, Oreochromis niloticus, Distichodus engycephalus, Hemichromis fasciatus, Raiamas senegalensis, Labeo senegalensis, Schilbe mystus and Brycinus nurse were caught and identified. Oreochromis niloticus (70.1%) was the most abundant fish species while Raiamas senegalensis (0.01%) was the least fish species abundant. The species richness (R) was higher in kumi, than any other sampling sites Conservation measures is encouraged.