Age and growth of four-spotted megrim (Lepidorhombus boscii Risso, 1810) from Saros Bay (Northern Aegean Sea, Turkey)

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Published: Feb 20, 2013
DOI: https://doi.org/10.12681/mms.328
Keywords:
Four-spotted megrim age growth Saros Bay northern Aegean Sea.
O. CENGIZ
Canakkale Onsekiz Mart University, Faculty of Fisheries, 17100, Canakkale, Turkey
U. OZEKINCI
Canakkale Onsekiz Mart University, Faculty of Fisheries, 17100, Canakkale, Turkey
A. ISMEN
Canakkale Onsekiz Mart University, Faculty of Fisheries, 17100, Canakkale, Turkey
A. OZTEKIN
Canakkale Onsekiz Mart University, Faculty of Fisheries, 17100, Canakkale, Turkey
Abstract
In this study, the growth parameters of the four-spotted megrim, (Lepidorhombus boscii Risso, 1810), were studied in Saros Bay, which had been closed to bottom trawl fishery since 2000. The sex ratio of females to males was 1:0.42. Length-weight relationships were W=0.0032L3.31 and W=0.0069L3.04 for females and males, respectively. Growth parameters of the populations were L∞=49.8 cm, k=0.09 year-1, t0=-2.15 year for females; L∞=39.1 cm, k=0.11 year-1, t0=-2.59 year for males. The growth performance index (Φ’) was found to be 2.35 and 2.23 for females and males, respectively.
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