International Introductions of Chionoecetes opilio
Introductions as compiled by FAO
Main Ref. Dvoretsky, A.G. and V.G. Dvoretsky, 2015
To Barents Sea
FAO area Atlantic, Northeast
From unknown
FAO area
Year 1996
Range
Period 1975-present
Established in the Wild probably yes
Established in Aquaculture
Significant Ecological Interactions probably yes
Significant Socio-economic Effects
Introduced by
Reason ballast water
Other Reason
Comments The first records of Chionoecetes opilio were in 1996, captured by russian commercial fishing vessels. The suspected vector for introduction is ballast water. In the Barents Sea, C. opilio are mainly colleced as by-catch in bottom trawls, with no Russian show crab fishery being implemented. Quantity of crab bycatch in the northeastern and southeastern Barents Sea has increased since 2006. With the species biomass still increasing exponentially, the ecosystem has yet to demonstrate any negative effects, if any, as it may still be adjusting to the introduction.
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