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MeetingSeasonality, morphometrics and feeding behaviour of yellowfin tuna (Thunnus albacares) caught by sports fishers in the Kenyan waters 2014
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No results found.Yellowfin tu (Thunnus albacares) are among the major target species caught by sports fishers in Kenyan waters. The study on the feeding habits of the tu was conducted between November 2012 and January 2013 which is the peak season for yellowfin tu in the Kenyan waters. For seasolity data, a 19 year daily catch data from 1987 to 2011 was used. The yellowfin tu were most abundant in the coastal waters during the months of October and November. There were two distinct size classes caught during thi s study. The smaller ones had an average weight 7.2 ± 1.0 kgs and had an average fork length of 73.4 ±5.6 cm. The larger ones had an average weight 26.1 ± 4.4 kgs and had an average fork length of 110.8 ±7.0 cm. The major food contents in the fish stomachs were crabs (Charybdis smithii), Sepia spp., anchovies (Stolephorus commersonii) and Kawakawa (Euthynus affinis). The study also compared the feeding habits of tu and sailfish and found a similarity in stomach content of the larger yellowfin tu and the sailfish while that of the smaller yellowfin tu was different from the larger tu and sailfish. -
MeetingSeasonality, morphometrics and feeding behaviour of sailfish (Istiophorus platypterus) caught by sports fishers in the Kenyan waters 2013
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No results found.Sailfish (Istiophorus platypterus) are among the major target species caught by sports fishers in Kenyan waters. As a conservation measure, sports fishers return the fish to the waters and also tag them in an effort to study them. The retained fish are mainly those injured during the fishing expedition, they are brought on board and these were the ones used for the study which was conducted between November 2012 and January 2013 which is the peak season for sailfishes in the Kenyan waters. For s easolity data, a 19 year daily catch data from 1987 to 2011 was used. The December and January happen to have the peak abundance of sailfish in the waters. They average weight of the sailfish was recorded as 28.9 ± 4.4 kgs and had an average eye-orbit fork length of 166.5 ±9.5 cm. The major food contents in the fish stomachs were crabs (Charybdis smithii) sardines Stolephorus commersonii (Lacepède, 1803) and Kawakawa (Euthynus affinis). -
MeetingSpatial and temporal distribution of kingfish (Scomberomorus commerson) catches in Kenyan waters by artisanal fishers 2015
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