Mytilus hybridisation and impact on aquaculture: A minireview

Michalek, Kati, Ventura, Alexander and Sanders, Trystan (2016) Mytilus hybridisation and impact on aquaculture: A minireview. Marine Genomics, 27, 3-7. (doi:10.1016/j.margen.2016.04.008).

Record type: Article

Abstract

The three species in the blue mussel complex (Mytilus edulis, Mytilus galloprovincialis and Mytilus trossulus) show varying levels of hybridisation wherever they occur sympatrically. The spatial variation in hybridisation patterns is potentially governed by environmental conditions, larval dispersal and aquaculture practices. Commercial mussel cultivation has been shown to increase hybridisation through introduction of non-native species or spat transfer. There is evidence that mussel cultivation may promote commercially less desirable phenotypes (e.g. fragile shells), however, to what extent hybridisation impacts aquaculture is currently not clear. The aim of this review is to summarize the available information on Mytilus hybridisation patterns in Europe and their promotion through aquaculture practices in order to shed light on the overall implications for the aquaculture industry.

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