I couldn't find their most reasonable slaughter methods easily. Perhaps https://www.instructables.com/Live-Crab-How-To-Kill-Instantly-and-Humanely-Cooki/ https

I couldn't find their most reasonable slaughter methods easily. Perhaps https://www.instructables.com/Live-Crab-How-To-Kill-Instantly-and-Humanely-Cooki/ https://www.instructables.com/Live-Crab-How-To-Kill-Instantl... for crabs