LENGTH-WEIGHT RELATIONSHIPS FOR THREE ELASMOBRANCH SPECIES FROM THE SEA OF MARMARA  

01/08/2019 Arda Tonay

Length-weight relationships for three elasmobranch species from the Sea of Marmara

Ali İşmen, Cahide Çiğdem Yığın, Mukadder Arslan İhsanoğlu, Burak Daban

Çanakkale Onsekiz Mart University, Marine Science and Technology Faculty, 17100, Çanakkale, TURKEY

Abstract

Length-weight relationships were estimated for three elasmobranch species from the Sea of Marmara. Specimens were collected by beam trawl between September 2011 and July 2014. A total of 192 individuals (130 Raja clavata, 45 Scyliorhinus canicula, 17 Torpedo marmorata) were examined. Results indicated that R. clavata and S. canicula have positive allometric growth and T. marmorata has negative allometric growth. Due to the lack of data on length-weight relationships of elasmobranch species in the Sea of Marmara, these results contribute to our knowledge of this species.

Keywords: Marmara Sea, length-weight relationship, Raja clavata, Scyliorhinus canicula, Torpedo marmorata

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