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March 13, 2026Aquatic Conservation Marine and Freshwater Ecosystems0 citationsOpen Access

Molecular Characterisation of Endangered White‐Clawed Crayfish in Switzerland

Molecular Characterisation of Endangered White‐Clawed Crayfish Populations in Southern Switzerland

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Authors

SPSebastian PratiCMChristophe MolinaDGDaniel Grabner

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Overview

Research investigates genetic diversity and distribution of threatened crayfish populations, indicating conservation needs.

Key Points

  • To characterize the genetic diversity and phylogeography of the endangered European White‐Clawed Crayfish in southern Switzerland and northern Italy.
  • Used mitochondrial (COI, 12S, 16S) and nuclear (28S) markers for genetic analysis.
  • Collected samples from main tributaries of the Po River basin in southern Switzerland.
  • Conducted phylogenetic analyses to examine genetic relationships.
  • Discovered 14 unique COI haplotypes in Canton Ticino, previously undocumented.
  • Revealed close genetic ties to Italian crayfish populations, supporting northward expansion theories.
  • Observed high haplotype diversity in southern Canton Ticino, with reduced diversity in northern populations.

Cite This Study

Prati et al. (2026) studied this question.

synapsesocial.com/papers/69b3aca302a1e69014cce808https://doi.org/10.1002/aqc.70349
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