The highly invasive Chinese mitten crab

Eriocheir sinensis is an invasive species that spread in European waters as the result of human activity. The captures from the Portuguese population took place in September 2013 in the Tagus Estuary and were dominated by the medium-sized individuals at the beginning of their reproducing cycle (n=192).Eriocheir sinensis is an invasive species that spread in European waters as the result of human activity. During September 2013 E. sinensis population in the Tagus Estuary (Portugal) was sampled using fyke nets (n = 192). The captures from the Portuguese population were dominated by medium size individuals at the beginning of their reproducing cycle