Background and aim: Stomatorhinus cf polli, one of species of Mormyridae whose flesh is highly appreciated by local communities. Unfortunately, there is very little information about biology and ecology of Stomatorhinus cf polli. This study aimed to determine the ecology and biology of Stomathorinus cf polli.
Methods: The circular dip scoop net of 0.5 mm of mesh and the amplifier were used during twelve months. 260 specimens of Mormyridae were collected in a single site of Masendula stream. All fish samples were weighed using scales, as well as each fish were measured using a tape measure and caliper. Diet and reproduction were analyzed.
Results: The analysis of 151 stomach contents of Stomatorhinus cf polli allowed identifying three prey categories (animal detritus, vegetable detritus and chironomidae). The diet of Stomatorhinus cf polli expressed in the coefficient of occurrence showed that individuals feed the same prey but in different proportions. The mean intestinal coefficient calculated for specimens of Stomatorhinus cf polli is 0.58. This species prefers more to consume animal detritus. For reproduction, the findings showed that this species breeds throughout the year. The mean relative fecundity is 25,125 oocytes per kg.
Published on: Mar 10, 2016 Pages: 1-7
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