Stationary marine organisms that don’t ply the ocean, but spend their lives rooted in one spot, have evolved impressive ways to capture prey. The sea anemone Nematostella, for instance, burrows into salt marsh sediments and stays there for life. But it has specialized ‘stinging cells’ that hurl toxins into passing prey, immobilizing the morsel so the anemone can snatch it with its tentacles.
Click here for original story, Current marsh pollution has dramatic, negative effects on sea anemone’s survival
Source: Phys.org