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ABSTRACT
This study examined the length weight relationship (LWR), condition factor and sex ratio of two fish species, Mormyrus rume and Chrysichthys aluuensis. The study was carried out between August 2021 and January 2022 in Ovia River (Ighoraki), Nigeria A total of eighty-two (82) fish specimens were collected during the study. Parameters of EWR were estimated. On an average, growth pattern, bin Mormyrus rume was 2.21 and 2.06 in Chrysithchys almensis indicating negative allometric growth pattern. The results indicated that the value of correlation coefficient (1) for Mormyrus rume and Chrysichthys alauensis were 0.973 and 0.967, which were closer to 1 indicating that the length-weight relationship was highly correlated. The mean condition factor (k) in Mormyrus rume was 1.03 and 1.01 in Chrysichthys aliensis. This indicated that fish species were in good condition during the study as mean k values were 1 in both species. The mean sex ratio across the study duration for Mormyrus rume and Chrysichthys aluuensis were 1.13 and 1:3 respectively. The result indicated that males of Chrysichthys aluwensis were higher than the females during the sampling period.
