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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| http://dx.doi.org/10.1016/j.margen.2016.04.008 | DOI Listing |
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Article Synopsis
- Interspecific hybridization can result in hybrids that outperform their parent species, particularly in response to climate change and new environmental challenges.* -
- In a study of the blue mussel complex (genus Mytilus), researchers found that hybrid mussels exhibited unique gene expression responses to temperature changes, with a notable proportion showing transgressive expression plasticity.* -
- The research indicates that these transgressive hybrids might be crucial for survival as temperatures rise due to climate change, highlighting the need to understand their role in natural ecosystems.*
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