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Food Habits of <i>Bryconaethiops boulengeri </i>Pellegrin, 1900 (Characiformes: Alestidae) of Djiri River Tributary of the Right Bank of Congo River
Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
Faculty of Sciences and Techniques, University Marien Ngouabi, Brazzaville, Congo
- 1 Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
- 2 Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
- 3 Research Laboratory of Animal Biology and Ecology, ENS, University Marien Ngouabi, Brazzaville, Congo
- 4 Faculty of Sciences and Techniques, University Marien Ngouabi, Brazzaville, Congo
Open Journal of Ecology·Volume 08 (2018)·Pages 510–521·Published 12 September 2018·DOI10.4236/oje.2018.89031
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Abstract
Diet of 300 specimens of Bryconaethiops boulengeri from Djiri River (Congo Brazzaville) caught with cash nets was studied according to the size of fish, sampling stations and hydrological season. Sampling focused on twelve annual withdrawals made during th ree years. The relative importance index combining numerical and weight percentages of occurrence was calculated and also the sex ratio was evaluated. Bryconaethiops boulengeri consumes terrestrial and aquatic insects and everything that falls into the water (birds feathers, plant debris, fruits, etc . ). The percentage of emptiness is 9.66% of the three sampling stations selected; no significant difference in diet was observed whatever the season.
KeywordsDjiri River<I>Bryconaethiops boulengeri</I>Food HabitsOccurrenceEclectic Insectivore
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