What are barnacles on crabs?

Online Answer
Barnacles (balanus glandula) are sticky little crustaceans related to crabs, lobsters, and shrimps. Those aren't dragon claws—they're gooseneck barnacles! These filter feeders are found in the rocky tide pools of Olympic Coast National Marine Sanctuary.
Related Questions 📌
Barnacles (balanus glandula) are sticky little crustaceans related to crabs, lobsters, and shrimps. Those aren't dragon claws—they're gooseneck barnacles! These filter feeders are found in the rocky tide pools of Olympic Coast National Marine Sanctuary.