Anyone hoping to celebrate Mardi Gras with a piping hot crawfish boil this year may be out of luck -- or have to pay more than double what they’re used to. Crawfish farmers in south Louisiana -- an ...

KAPLAN, La. — Josh Courville has harvested crawfish his whole life, but these days, he's finding a less welcome catch in some of the fields he manages in southern Louisiana. Snails. Big ones. For ...