Brittle Star <VALIDATED>

Class Ophiuroidea (from the Greek "ophis" for snake and "ura" for tail).

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

They are essential ecosystem engineers, stirring up seafloor sediment and recycling nutrients. Class Ophiuroidea (from the Greek "ophis" for snake