Many marine organisms use camouflage or mimicry to survive. Barnacles, which are a type of crab, are often mistaken for mollusks. Sea squirts, which are invertebrates, are part of the same phylum ...

UC Berkeley researcher Larry Taylor knew that present-day barnacle shells take up differently weighted oxygen atoms from bodies of water. That creates a record of the oceans they’ve been in as ...

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. Chloe ...