Analysis shows low genetic diversity in invasive Ameiurus nebulosus populations in Belarus, indicating single introduction.
The study shows a wide spread of A. nebulosus in Belarus, which also extends its range further to the east into the water bodies of Belarus and Karelian Isthmus, Russia. Analysis of genetic diversity by the COX gene showed that all samples from this study belong to the one haplotype. Low genetic diversity in the invasive range confirms a single import of individuals of brown bullhead to Belarus.
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Okhremenko et al. (2026) studied this question.
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