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Some Reproductive Characteristics of Metapenaeus affinis (H. Milne Edwards, 1837) in Izmir Bay (Eastern Aegean Sea, Turkey)

Some Reproductive Characteristics of Metapenaeus affinis (H. Milne Edwards, 1837) in Izmir Bay (Eastern Aegean Sea, Turkey)

Gülnur Metin* and İlker Aydin

Department of Fishing Technology, Ege University Faculty of Fisheries, 35100 Bornova, Izmir, Turkey

*         Corresponding author: gulnur.metin@ege.edu.tr

ABSTRACT
In this study, some reproductive characteristics (reproductive season, first maturation size (LM50) and sex ratio) of the jinga shrimp, Metapenaeus affinis (H. Milne Edwards, 1837), in Izmir Bay (Aegean Sea, Turkey) were investigated. A total of 2894 M. affinis were obtained from commercial fishermen between November 2008 and January 2011. The total length and weight of the females or males were measured as 7.3–17.5 cm and 2.6-38.9 g or 7.8–15.4 cm and 2.6-41.6 g, respectively. The samples were composed of 56.6% females and 46.6% males, with a female to male ratio of 1:0.77. The spawning period was determined from May to October. The total lengths at first maturity of females and males were 10.64 cm and 10.16 cm, respectively.

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Pakistan Journal of Zoology (Associated Journals)

October

Vol. 49, Iss. 5, Pages 1547-1936

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