How do barnacles EAT? @WHOI
How do barnacles EAT?  @WHOI
Uploaded May 2025 | Updated September 2026, 2 hours ago
🐚 Imagine spending most of your life standing on your head and collecting food with your feet!🤸🏽‍♀

Barnacles are little crustacean filter feeders, with a clever trick up their shells. When the tide comes in, barnacles open their plates and extend feathery appendages, called cirri, to sweep plankton and bits of food right out of the water. It’s like casting a net… with your legs! 🌊🍴

While movement is a great way to capture food and avoid becoming someone else's meal, some animals survive and thrive without moving locations. Do you know what this class of animals is called? Leave your guess in the comments! ⤵️

📸 Brady Clarke
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Woods Hole Oceanographic Institution |

How do barnacles EAT?

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