washingtonpost.com – Scientists identify a deadly virus that has wiped out tens of thousands of sea stars along North America’s Pacific coast. (Reuters) Starfish — or “sea stars,” as they’re known to scientists who point out they aren’t actually fish — don’t inspire much excitement. They have no brains. They have no blood. Occasionally, they pry open a clam or an oyster and devour it, or regenerate a lost limb. And that’s about it.