The first record of a natural hybrid of the roach Rutilus rutilus and nase Chondrostoma nasus in the Danube River Basin, Czech Republic: morphological, karyological and molecular characteristics

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Authors

VETEŠNÍK Lukáš HALAČKA Karel PAPOUŠEK Ivo MENDEL Jan VETEŠNÍKOVÁ ŠIMKOVÁ Andrea

Year of publication 2009
Type Article in Periodical
Magazine / Source Journal of Fish Biology
MU Faculty or unit

Faculty of Science

Citation
Field Zoology
Keywords chromosomes; cyprinids; meristic traits; microsatellites
Description Morphological (meristic and morphometric traits), karyological and molecular (microsatellites, cytochrome b) analyses were performed to characterize a hybrid of the roach Rutilus rutilus and nase Chondrostoma nasus. Meristic and morphometric traits were different between hybrid and both parental species. The number of chromosomes found in hybrid specimen indicated that this individual represents the post-F-1 generation of hybrids and the microsatellite analysis of the hybrid showed the presence of variants typical for R. rutilus and C. nasus.
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