Fish composition and diversity assessment of Apodu reservoir, Malete, Nigeria

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The pilot study on fish composition and diversity of Apodu reservoir, Malete, Nigeria was carried out
between January to May 2017 using cast and gill net. A total number of 3333 fish, comprising 8 families
and 17 species were recorded. Brycinus nurse were most dominant for the period of study contributing
29.31% and Auchenoglanis occidentalis, least abundant made up of 0.03% of total catch. Other families
and there percentage contribution in the total catch were Mormyridae (34.14%); Cichlidae (15.24%);
Mochokidae (14.01%); Clariidae (6.84%); Protopteridae (0.21%) and Clupeidae (0.21%). The range of
physico-chemical parameters of the water body were: temperature (24.1oC-29.8oC); dissolved oxygen
(4.4mg/l-6.00mg/l); conductivity (84.7µs/cm-105µs/cm); pH (6.63-7.97); transparency (125.7cm-
191.3cm) and total dissolved solids (42ppm - 69.7ppm). All values were within the limits for fish
tolerance, survival and production. This establishes the species composition of the reservoir and
management strategy for sustainability and conservation were suggested

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Fish composition and diversity assessment of Apodu reservoir, Malete, Nigeria

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