The Genetic Variation of the
Fiddler Crab Found Only Taiwan
Previous studies have indicated that the population of the
endemic fiddler crab X. formosensis
was large and stable in the past. However, recent anthropogenic
activities have led to a rapid decline in population and suitable
habitat along Taiwan's western coast. Therefore, it is imperative to
comprehend the genetic variation of X.
formosensis for effective conservation strategies. We examined
the genetic structure of seven X.
formosensis populations using DNA fingerprinting and COI analysis. The result revealed
over 90% genetic variation within populations, along with a weak
population genetic structure. Additionally, we unexpectedly discovered
that X. formosensis exhibits
relatively high nucleotide and genetic diversity, suggesting the
potential for population recovery given suitable habitat conservation
measures. Overall, our research aims to protect and manage this
endangered crab species, establishing a foundation to prevent further
genetic loss.

Read the full article, published by Zoological
Studies, here
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