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The Karyotype of the Brightbelly Sculpin Microcottus sellaris (Gilbert, 1896) (Cottidae: Myoxocephalinae)

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Abstract

The karyotype of the brightbelly sculpin Microcottus sellaris (Gilbert, 1896) (family Cottidae) from the Sea of Japan and Sea of Okhotsk has been studied for the first time. The karyotype is stable; it includes 42 chromosomes (2 metacentric, 2 submetacentric, 32 subtelocentric, and 6 acrocentric chromosomes); the number of chromosome arms is 46. A comparative analysis of the basic karyotype traits was carried out for M. sellaris and for the Far Eastern species of the genus Myoxocephalus (M. stelleri from the Sea of Japan and Sea of Okhotsk, M. brandtii, M. jaok, M. ochotensis, and M.polyacanthocephalus). The traits that allow differentiation of M. sellaris from species of the genus Myoxocephalus, as well as the common traits indicating their relationship, are identified.

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Funding

This study was supported by 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 author declares that she has 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. The Karyotype of the Brightbelly Sculpin Microcottus sellaris (Gilbert, 1896) (Cottidae: Myoxocephalinae). Russ J Mar Biol 46, 29–33 (2020). https://doi.org/10.1134/S1063074020010058

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  • DOI: https://doi.org/10.1134/S1063074020010058

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