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    Existence of Belone svetovidovi Collette & Parin, 1970 in the Marmara Sea and Black Sea Coasts of Türkiye
    (Natural and Engineering Science, 2023) Turan, C.; Yağlıoğlu, D.; Doğdu, S.A.; Gürlek, M.; Ergüden, D.; Ivanova, P.P.; Raykov, V.S.
    The first morphologic and genetic documentation of the short-beaked garfish Belone svetovidovi Collette & Parin, 1970 from the coast of the Marmara Sea (Yalova) and Black Sea (Akcakoca) is reported in the present study. The morphological characters and genetic (mtDNA COI) analyses confirmed the existence of this species both in the Marmara and Black Seas. B. svetovidovi is genetically distinct from the anther species of this genus Belone belone. All morphologic measurements, counts, and colour descriptions of B. svetovidovi agree with its previous descriptions. © 2023, Natural and Engineering Science. All rights reserved.
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    First Morphological and Genetic Record and Confirmation of Korean Rockfish Sebastes schlegelii Hilgendorf, 1880 in the Black Sea Coast of Türkiye
    (Natural and Engineering Science, 2023) Yağlıoglu, D.; Doğdu, S.A.; Turan, C.
    One specimen of Korean rockfish Sebastes schlegelii Hilgendorf, 1880 was caught by using a fish net at a depth of 7 m on 14 May 2022 from Akçakoca, Düzce in the Black Sea. In this study, the Korean rockfish Sebastes schlegelii from the Black Sea coast of Türkiye is reported for the first time with both morphologic and genetic evidence. S. schlegelii is characterised by 5 spines on the preoperculum and 2 spines on the operculum. Genetic analyses using mtDNA COI gene region also confirmed the species as Sebastes schlegelii. This species is thought to have been transported to the Black Sea from other seas of the world, probably via ballast waters or aquarium escape. The most important reason for this is that the species has not been detected in the Mediterranean. © 2023, Natural and Engineering Science. All rights reserved.
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    Genetic and bio-ecologic characteristics of common pandora Pagellus erythrinus from the eastern mediterranean coast of Turkey for the ecosystem-based fishery management
    (Central Fisheries Research Inst, 2020) Uyan, A.; Turan, C.; Gurlek, M.; Yaglioglu, D.
    Genetic structure and growth characteristics of common pandora Pagellus erythrinus populations collected from the Iskenderun, Mersin and Antalya Bays were revealed through D-loop sequencing of mtDNA and length-weight and age-length relationships. While the highest value of genetic diversity was obtained in the Mersin population (0.0024), the lowest value was in Iskenderun population (0.0006). A total of 9 haplotypes was found and mean haplotype diversity was found 0.7485. The highest genetic divergence was observed between the Mersin and Iskenderun Bay populations (0.0206), whereas the Iskenderun and Antalya Bay populations had the least genetic divergence (0.0165). BioMorphv3 was used for determining the length-weight and age-length relationships. The length-weight relationships for all individuals of Iskenderun, Mersin and Antalya populations were estimated as W=0.0693 x L2.3887 (r=0.9456), W=0.0786 x L2.3338 (r=0.9473) and W=0.0693 x L2.3887 (r=0.9542), respectively. The von Bertalanffy growth parameters for all individuals of Iskenderun, Mersin and Antalya populations were calculated as Lt=39.22 [1-e0.210(t+0.32)], Lt=50.48 [1-e0.120(t+2.76)], Lt=38.08 [1-e0.158(t+0.48)], respectively. Published by Central Fisheries Research Institute (SUMAE) Trabzon, Turkey.