It's been over 20 years since researchers were first dazzled by a strange, glowing creature with vibrant organs and a fringed tail floating in the waters near Monterey Bay, California. They had no ...

reveals that this small sea slug is both remarkably heat-tolerant and genetically diverse across its wide range — key traits that make it an ideal partner for climate-resilient coastal restoration.

Biology researcher Sayaka Mitoh said she loves studying Japanese sea slugs because they are small, cute and weird. They can even briefly photosynthesize like a plant drawing food from the sun.

The stings can lead to painful health issues and allergic reactions. The sea slugs are known to lay nearly two dozen eggs at a time on debris or carcasses of animals they encounter in the ocean ...