Results of Hybridization between Anadromous and Resident Forms of European River Lamprey Lampetra fluviatilis |
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Authors: | I. A. Tsimbalov A. V. Kucheryuavyi D. S. Pavlov |
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Affiliation: | 1.Institute of Ecology and Evolution,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | Survival of the progeny obtained from artificial crossing of large parasitic anadromous and small nonparasitic resident European river lampreys Lampetra fluviatilis is analyzed. A high individual survival (~61% on average) up to the stage of prolarvae burrowing into ground confirms the absence of a postzygotic barrier between the lamprey forms. The obtained results are discussed in the framework of two theories: of paired species and of intraspecies diversity. |
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