where in the world are sea urchins found
A sensitive sea urchin covers itself with hard pink algae to protect itself from the sun's rays. A sea urchin protects itself from the sun's rays. A sensitive sea urchin covers itself with hard pink algae to protect itself from the sun's rays. A sea urchin protects itself from the sun's rays. A sensitive sea urchin covers itself with hard pink algae to protect itself from the sun's rays. Distribution The Sea urchins can be found in a number of locations including: Great Barrier Reef. Find out more about these places and what else lives there.
Sea urchins. Sea urchins are a class of marine animals that live on the seabed or burrow into the sand. Those that live on rocky seabeds are spherical and have prominent, protective spines. Those that live on, or burrowed into, soft sand are heart-shaped or flattened, like the sand dollar, and have short spines that make them look furry.