Well if it is the same or similar to what we call the European green crab here, that would be quite interesting! That species has invaded North America but is widely seen as unsuitable for eating here, while the blue crab is highly over-harvested for its delectable flavor. I suppose there is no accounting for taste but the rest of the world has a great appreciation for these so I think Italy can come around to it.

For a perspective from this side of the Atlantic, see: https://www.thebaltimorebanner.com/community/climate-environment/blue-crab-italy-invasion-M2IX2UR6AFD23AIP3UJNUMQEDU/