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Karyological and Molecular Genetic Differentiation of Fringed Sculpins of the Genus Porocottus Gill, 1859 (Cottidae: Myoxocephalinae)

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Abstract

Karyological and molecular genetic research on fringed sculpins of the genus Porocottus has been conducted for the first time. Karyotypes of P. japonicus (2n = 42, NF = 42), P. allisi, and P. minutus (2n = 40, NF = 42) have been studied. An analysis of mitochondrial DNA shows high levels of species differentiation, as well as significant distinctions of P. camtschaticus from P. minutus and P. japonicus. On the basis of a comprehensive study, the characters that allow reliable identification of P. japonicus, P. allisi, P. minutus, and P. camtschaticus have been found.

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FUNDING

This study was supported by the Russian Foundation for Basic Research (project no. 15-29-02416_ofi_m) and the Far East Program (project no. 18-4-002).

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Correspondence to I. N. Moreva.

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Conflict of interests. The authors declare that they have no conflict of interest. Statement on the welfare of animals. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

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Translated by E. Shvetsov

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Moreva, I.N., Radchenko, O.A. & Petrovskaya, A.V. Karyological and Molecular Genetic Differentiation of Fringed Sculpins of the Genus Porocottus Gill, 1859 (Cottidae: Myoxocephalinae). Russ J Mar Biol 45, 128–136 (2019). https://doi.org/10.1134/S1063074019020081

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