Green sea urchin (Strongylocentrotus droebachiensis) are often found covering themselves with the shells of hermit crabs, rocks, and other debris. Scientists don’t fully understand why they do so. – WTF Fun Facts
Green sea urchin (Strongylocentrotus droebachiensis) are often found covering themselves with the shells of hermit crabs, rocks, and other debris. Scientists don’t fully understand why they do so. – WTF Fun Facts