Starfish move using hundreds of tiny tube feet located on the underside of their arms. These tube feet operate through a hydraulic system, allowing starfish to grip and crawl along surfaces, even though they lack a centralized brain.
Starfish move using hundreds of tiny tube feet located on the underside of their arms. These tube feet operate through a hydraulic system, allowing starfish to grip and crawl along surfaces, even though they lack a centralized brain.