Reproductive status of Atlantic bluefin tuna, Thunnus thynnus, during migration off the coast of Sardinia (western Mediterranean)
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- 作者：Piero Addis ; addisp@unica.it" class="auth_mail" title="E-mail the corresponding author ; Marco Secci ; Cecilia Biancacci ; Daniela Loddo ; Danila Cuccu ; Francesco Palmas ; Andrea Sabatini
- 关键词：Thunnus thynnus ; Reproductive biology ; Trap fishery ; Western mediterranean
- 刊名：Fisheries Research
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：181
- 期：Complete
- 页码：137-147
- 全文大小：2313 K
文摘
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We provide reproductive parameters for Atlantic bluefin tuna migrating off Sardinian cost.
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Ovaries contained a mixture of oocyte stages.
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Batch fecundity was 95–125 oocytes per gram of body mass.
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Sex ratio differed significantly from 1:1, with males being predominant.
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Bluefin tuna from Sardinia exhibits intermediate reproductive characteristics from other Mediterranean locations.