Hybridisation between two cyprinid fishes in a novel habitat: genetics,morphology and life-history traits |
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| Authors: | Brian Hayden Domitilla Pulcini Mary Kelly-Quinn Martin O'Grady Joe Caffrey Aisling McGrath Stefano Mariani |
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| Affiliation: | (1) UCD School of Biology and Environmental Science, University College Dublin, Belfield, Dublin 4, Ireland;(2) Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome 'Tor Vergata', Via della Ricerca Scientifica s.n.c, 00133 Rome, Italy;(3) Central Fisheries Board, Swords Business Campus, Swords, Co. Dublin, Ireland |
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| Abstract: | Background The potential role hybridisation in adaptive radiation and the evolution of new lineages has received much recent attention. Hybridisation between roach (Rutilus rutilus L.) and bream (Abramis brama L.) is well documented throughout Europe, however hybrids in Ireland occur at an unprecedented frequency, often exceeding that of both parental species. Utilising an integrated approach, which incorporates geometric morphometrics, life history and molecular genetic analyses we identify the levels and processes of hybridisation present, while also determining the direction of hybridisation, through the analysis of mitochondrial DNA. |
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