New Delhi, Sept. 3 -- Italian fishermen for two years incinerated most of the invasive Atlantic blue crabs caught in the Po River Delta south of Venice. Few Italians had an appetite for the alien predator blamed for decimating their prized Manila clams.

While experiments in containment continue, including the release of tens of thousands of octopus predators, the industry's response has been shifting to find new markets for the crustaceans. The strategy is already salvaging the livelihood of some fishermen and, some hope, may even rehabilitate the much-maligned crab's image in Italy.

Fishermen pivot to salvage livelihoods

Like other members of his local cooperative, second-generation fisherman Federico Zago saw his income crash after t...