One barnacle species shows inclination for movement

2021-10-13

Barnacles are generally immovable once they attach themselves to something, but Chelonibia testudinaria, or the turtle barnacle, has exhibited the ability to move around, especially if it means improving its ability to eat, according to findings described in Proceedings of the Royal Society B. Researchers observed these barnacles, which typically reside on turtle shells, not only repositioning themselves for better water flow but moving in different directions, often moving closer to the turtle's head.

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