Invasive Seaweed is Sheltering Local Crustaceans

Imagine spending another lovely day on the beach when, out of the blue, great forests of foreign seaweed wash ashore. The last thing you'd likely do is say, "hm, I think I'm going to live in this stuff!" Strangely, that's exactly what crabs and other crustaceans are doing, and it's working out really well for them.