Linckia laevigata (Blue Sea Star)
Linckia laevigata—the blue sea star—is an ophidiasterid asteroid conspicuous on tropical Indo‑Pacific reefs.It is best known for its vivid blue coloration (purple/green/brown or mottled morphs occur) and its remarkableability for arm autotomy and regeneration, producing “comet” forms from d...
How Do Starfish Regrow Their Arms?
Starfish regrow lost arms through a process called regeneration. After an arm is injured or detached, the wound closes, cells near the injured area change their behavior, and new tissues gradually develop. Over time, the growing arm can rebuild its skeletal elements, muscles, nerves, and tube feet....