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Do starfish move?

Yes, starfish do move, but not in the way most animals do. They are Echinoderms, which means they have a unique water vascular system that helps them move. This system includes a series of fluid-filled canals and tube feet, which are small, flexible, and extendable appendages that work like tiny hydraulic legs. When starfish move, they use these tube feet to push off surfaces and crawl along the ocean floor. They can also use their tube feet to grip onto rocks and other surfaces to help them move or to anchor themselves in place.

Starfish move quite slowly compared to many other animals, but they are quite effective at navigating their underwater environment. The movement of starfish is also important for feeding, as they can use their tube feet to help manipulate food towards their mouth.

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By moving water from the vascular system into the tiny feet, the sea star can make a foot move by expanding it. This is how sea stars move around. Muscles within the feet are used to retract them. Each ray of a sea star has a light sensitive organ called an eyespot.read more >>