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ABSTRACT
The study was carried out to determine some aspects of the biology and mineral content of Schilbe intermedius and Xenomystus nigri in Ikoro River, located in Ikoro village, in the southern part of Edo State, Nigeria. The study started in January 2021 to April 2021.
The fish measurement was carried out in the laboratory with a meter rule to the nearest 0.1cm, while the weight was with a Mettler digital weighing balance to the nearest 0.1g. The mineral content analysis of fish species was carried out in the laboratory using standard methods. Statistical analyses were done using general descriptive statistics, regression, t-test, chi-square, unpaired t-test by the application of statistical package for social sciences (SPSS) and Microsoft word.
The length-weight relationship of the fish species showed that the fishes exhibited negative allometric growth. The condition factor (K) between the species ranged from 1.4 (Xenomystus nigri) to 3.6 (Schilbe intermedius). Mineral elements detected were in the order Fe> P> K> Mg> Ca> Na for Xenomystus nigri and Fe> K> P> Mg> Ca> Na for Schilbe intermedius. This study has shown that fishes from Ikoro River have a good supply of minerals and can be used for enhancing mineral intake and protecting the community from mineral deficiency diseases.
