https://apnews.com/a3e09d1b1ebc44f48e6d3a51ab4b2742

BIDDEFORD, Maine (AP) — Canadians are known as friendly folks, but these crabby brutes migrating from Canadian waters are better suited for the hockey rink.

Green crabs from Nova Scotia are the same species as their cousins that already inhabit Maine waters, but are ornerier and angrier, threatening to accelerate harm to the coastal ecosystem by gobbling up soft-shell clams and destroying native eel grass, a researcher said.