Scientists discover a new pink Sea Anemone that builds and expands shells for hermit crabs

Scientists found a new sea anemone species off Japan's coast. This anemone, named Paracalliactis tsukisome, builds shell-like homes for hermit crabs. The anemone gets stability and mobility. The crab gets a permanent, growing home. This partnership shows how species cooperate in deep-sea environments. The discovery highlights surprising ingenuity in marine life.