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International Journal of Fisheries and Aquatic Studies
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P-ISSN: 2394-0506, E-ISSN: 2347-5129

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 1, Part D

Which movement pattern do Clarias species exhibit in the disturbed Mpologoma wetland, Uganda?


Author(s): Ssanyu Grace Asiyo, Julius Kipkemboi, Jude M Mathooko, John Balirwa

Abstract: Small Clarias species (Clarias liocephalus (Boulenger) and C. alluaudi (Boulenger) movement patterns were analysed with Floy tags and through a structured questionnaire survey at the differently disturbed sites in the Mpologoma riverine wetland. Water physico-chemical characteristics, macroinvertebrate community and fish stomach content data were also collected.Water conductivity was higher at the highly disturbed sites while dissolved oxygen was lower at the highly disturbed sites than at the less disturbed sites (ANOVA, Tukey’s test p & lt; 0.05). Although floy tag recovery rate was low, a downstream movement during dry season and lateral movement in the rainy season were exhibited by the tagged fish. The fishermen (76.5%) concurred that these clariids move about and some fishermen (30.8 %) attributed the movement to reduction in waterrnlevel. The results were attributed to the species’ life history strategy, adaptation to change in environmental variables and avoidance of predators in deep waters.

Pages: 250-258  |  1259 Views  59 Downloads

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How to cite this article:
Ssanyu Grace Asiyo, Julius Kipkemboi, Jude M Mathooko, John Balirwa. Which movement pattern do Clarias species exhibit in the disturbed Mpologoma wetland, Uganda?. Int J Fish Aquat Stud 2016;4(1):250-258.
International Journal of Fisheries and Aquatic Studies

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