News Animals

Barnacles are famed for not budging. But one species roams its sea turtle hosts

Being mobile may help the barnacles access better feeding spots on their turtle taxis

four barnacles on the surface of a crab carapace

These turtle barnacles (Chelonibia testudinaria) have taken up residence on the carapace of a crab. Here, they extend their feeding legs to capture a meal.

B.K.K. Chan

By Jake Buehler

- More than 2 years ago

Barnacles aren’t exactly renowned for their athleticism, staying glued in place for much of their lives.