Italians are fighting an invasion of predatory blue crabs with an attitude borne of centuries of culinary making do: If you can’t beat them, eat them.
Fishermen, lobbying groups and environmentalists have sounded the alarm about the risks from a summer surge in the population of the fast-reproducing invasive species. The crabs are devouring stocks of eels, clams and mussels and wreaking havoc on fishing nets.
