– Manuscript – Scientists say a small parasite is the cause of death of many sea urchins in the Caribbean Sea. Sea urchins are simple animals that have long spines. Last year, the long-spined sea urchins, also known as Diadema antillarum, started getting sick. They were losing their spines and their sticky feet were losing their grip on the coral reefs. The loss of … [Read more...] about Scientists Learn What Killed Caribbean Sea Urchins