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MeetingBycatch mitigation approaches in Australia's western tuna and billfish fishery: seabirds, turtles, marine mammals, sharks and non-target fish 2005
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MeetingRecruitment and migratory behaviour of yellowfin tuna from the western and southern coasts of Sri Lanka 2010
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MeetingPopulation structure and reproduction of bigeye tuna (Thunnus obesus) in Indian Ocean at western part of Sumatra and southern part of Java and Nusa Tenggara 2013
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No results found.This research was conducted to identify population structure and reproduction aspect of big eye tu (Thunnus obesus) in west off Sumatra and south off Java and Nusa Tenggara of Indian Ocean. The sample of fish was collected from catch landed by fishermen. The fish was caught from the Indian Ocean during 2010. Alysis of population structure was done by using of histology technique of fish genetic and reproduction. Result showed that population structure of the big eye tu in Indian Ocean consisted of two different sub populations mely sub population in west off Sumatra and another one is sub population in south of Java and Nusa Tenggara waters. The most of bigeye tu catch (about 39%) was categorized as immature fish with God Somatic Index stage I. The immature fish was mostly found in west off Sumatra waters. While the catch in south off Java and Nusa Tenggara waters was mostly categorized as mature fish. It was indicated that south off Java and Nusa Tenggara waters was as spawning ground of the big eye tu.
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