Abstract
The potential for genetic contamination of stocks arising from translocation and subsequent release or escape of translocated and/or genetically mixed stocks may be a significant risk to wild populations. In this context, we undertook a population genetic survey of stocks of lumpfish (Cyclopterus lumpus) along the Norwegian coast to establish the existing genetic population structure, which will aid the development of policy of the species’ use as cleaner fish in salmonid aquaculture. This was done by using 14 microsatellite loci and 287 specimens collected at five fishing grounds, covering most of the Norwegian coastline from south to north, with additional 18 samples of first-generation reared fish from a fish farm outside Tromsø (North Norway). Overall, there was no indication of significant spatial genetic structuring or of positive correlation between geographic and genetic distance among the wild lumpfish samples. These results suggest that, should translocated individuals escape from aquaculture in Norway, this will probably have little to no impact on the genetic composition of the local fish population.
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26 October 2017
A correction to this article has been published.
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Acknowledgements
We are grateful to Mr. Thor Jonassen, Mr. Thor Arne Hangstad and Mrs. Mette Remen at Akvaplan-niva, Norway, and Mrs. Caroline Durif and Mr. Nola Velimir at Marine Research Institute, Bergen, Norway, for their assistance in sampling the biological samples of lumpfish. Financial support was provided by the Regional Research Fund of Northern Norway (grants 220615, POPKJEKS, and 239135, AVLUS).
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A correction to this article is available online at https://doi.org/10.1007/s10499-017-0197-z.
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Jónsdóttir, Ó.D.B., Schregel, J., Hagen, S.B. et al. Population genetic structure of lumpfish along the Norwegian coast: aquaculture implications. Aquacult Int 26, 49–60 (2018). https://doi.org/10.1007/s10499-017-0194-2
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DOI: https://doi.org/10.1007/s10499-017-0194-2