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The length and weight relationships and feeding ecology of knout goby, Mesogobius batrachocephalus (Pallas, 1814) from Southern Black Sea

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dc.contributor.author Aydin, Mehmet
dc.contributor.author Bengil, Elizabeth Grace Tunka
dc.date.accessioned 2022-08-16T11:26:37Z
dc.date.available 2022-08-16T11:26:37Z
dc.date.issued 2020
dc.identifier.uri http://doi.org/10.12714/egejfas.37.4.12
dc.identifier.uri http://earsiv.odu.edu.tr:8080/xmlui/handle/11489/1926
dc.description.abstract Among ecologically diverse gobies species, knout goby, Mesogobius batrachocephalus (Pallas, 1814), or previously known as Gobius batrachocephalus, is a Black Sea endemic species. There are studies on this species biological features along the Black Sea but there are only studies on its length and weight relationship along the Turkish coasts of the Black Sea. This study aims to contribute to the lack of knowledge on knout goby length and weight relationship and feeding ecology inhabiting Southern Black Sea. Total of 470 individual of knout goby was collected and it was previously reported that knout goby shows negative (-) allometry though within this study it was found that it only shows negative (-) allometry in spring and positive (+) allometry in other seasons. The diet was composed of crustaceans, teleost fishes and gastropods. According to the relative importance analysis, teleost fishes are the main food item for all and male individuals but for female crustaceans are the main food item. Trophic level results show that for all individuals trophic levels is 4.34, and when sexes are compared females have higher trophic level than males. While both sexes only consume teleost during summer, in other seasons females prefer more crustacean in their diet compared to males. Niche breadth index results indicated that when all individuals diet was compared among seasons in winter the niche breadth was the broader and summer was the narrower, in case of females the broader was fall and for males it was winter. In conclusion, feeding ecology of knout goby changes between seasons and sexes but general prey groups remain the same en_US
dc.language.iso eng en_US
dc.publisher EGE UNIV, FAC FISHERIES, EGE UNIV, FAC FISHERIES, BORNOVA-IZMIR, 35100, TURKEY en_US
dc.relation.isversionof 10.12714/egejfas.37.4.12 en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject Ecology; Length and Weight Relationships; Knout Goby; Mesogobius batrachocephalus; Southern Black Sea en_US
dc.title The length and weight relationships and feeding ecology of knout goby, Mesogobius batrachocephalus (Pallas, 1814) from Southern Black Sea en_US
dc.type article en_US
dc.relation.journal SU URUNLERI DERGISI en_US
dc.contributor.department Ordu Üniversitesi en_US
dc.contributor.authorID 0000-0003-1163-6461 en_US
dc.identifier.volume 37 en_US
dc.identifier.issue 4 en_US
dc.identifier.startpage 409 en_US
dc.identifier.endpage 414 en_US


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