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题名: Reproductive biology of the big eye Priacanthus macracanthus in the north-eastern waters off Taiwan
作者: Kwang-Ming Liu;Kuo-Yau Hung;Che-Tsung Chen
贡献者: NTOU:Institute of Marine Affairs and Resource Managemen
关键词: fecundity;north-eastern Taiwan;Priacanthus macracanthus;reproductive biology
日期: 2001-12
上传时间: 2011-10-20T08:21:53Z
出版者: Fisheries Science
摘要: abstract:Reproductive biology of the big eye, Priacanthus macracanthus, is described based on 601 specimens caught by otter trawl in north-eastern Taiwan waters and landed at Tahsi fishing port from December 1997 to November 1998. Four methods, macroscopic appearance of ovary, gonadosomatic index, oocyte diameter frequency distribution, and histological examination suggested that the spawning season of the big eye in north-eastern Taiwan waters is from April to July and peaks in May and June. Five stages of oocyte development were determined based on histological examination and ovarian development can be divided as undeveloped, developing, matured, and spent stages. Mean fecundity (± SD) was estimated to be 131 112 ± 33 379. Size at first maturity estimated from the Logistic model was 18.9 cm FL corresponding to a 3-year-old specimen.
關聯: 67(6), pp.1008–1014
显示于类别:[海洋事務與資源管理研究所] 期刊論文


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