They can voluntarily shed their arms (a process called autotomy ) to escape predators and grow them back later.

Meet the —the agile, "brainless," and incredibly resilient cousin of the starfish. While they might look similar to sea stars at first glance, these marine invertebrates are in a class all their own, known for their rapid snake-like movement and unique survival tactics. 🌊 Quick Facts

They are essential ecosystem engineers, stirring up seafloor sediment and recycling nutrients.