Some properties reproductive of the speckled shrimp (Metapenaeus monoceros Fabricius, 1798) in the North-eastern Mediterranean

	Some properties reproductive of the speckled shrimp (Metapenaeus monoceros Fabricius, 1798) in the North-eastern Mediterranean
Iranian Journal of Fisheries Sciences
مقاله 16، دوره 14، شماره 2، تیر 2015، صفحه 485-493 اصل مقاله (822.64 K)
شناسه دیجیتال (DOI): 10.22092/ijfs.2018.114457
نویسنده
M Manaşırlı^*
چکیده
Speckled shrimp (Metapenaeus monoceros), is a commercially important prawn in the embayments and estuaries of the Mediterranean Sea. It is originally a Lessepsian species which had migrated from the Red Sea into the Mediterranean Sea through the Suez Canal. This study was carried out in the North-eastern Mediterranean Sea between November 2009 and October 2010 with monthly sampling of speckled shrimps, by bottom trawl operations. Totally 784 specimens of this shrimp were studied, and the male/female ratio was determined as 1:1.4. The minimum size at first maturity for females was measured as 74 mm TL, and 50% of the female population were mature at about 110 mm (TL50%). It was also determined that female shrimps had developed their eggs between June to October, with two peak spawning periods between June-July, and August and October.
کلیدواژه‌ها
Shrimp؛ Reproduction؛ Size at first maturity؛ Mediterranean Sea

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