Chelonibia testudinaria barnacle on turtle shell
Some Barnacles Can Move Around to Improve Feeding Position
The Scientist spoke with marine biologist and barnacle researcher John Zardus about why turtle barnacles—previously thought to be immobile—in fact slowly travel. He thinks the answer is food.
ABOVE: INATURALIST Quentin Groom
Some Barnacles Can Move Around to Improve Feeding Position
Some Barnacles Can Move Around to Improve Feeding Position

The Scientist spoke with marine biologist and barnacle researcher John Zardus about why turtle barnacles—previously thought to be immobile—in fact slowly travel. He thinks the answer is food.

The Scientist spoke with marine biologist and barnacle researcher John Zardus about why turtle barnacles—previously thought to be immobile—in fact slowly travel. He thinks the answer is food.

ABOVE: INATURALIST Quentin Groom
sea turtles
Three researchers with headlamps on stand around a loggerhead turtle on the beach while a man covers the turtle's face with a gloved hand
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