You may have heard the phrase to lose your head, which means you’re not acting very sensibly. But this sea slug takes that saying to a whole new level. It quite literally separates its head from its body, then grows a new body, complete with a new heart. Scientists in Japan recently discovered this bizarre behavior, but they don’t yet know why the slugs do it. Check it out:
Did you know? The ‘tentacles’ on a sea slug’s head are used to smell and taste the water around them. source
Want to know more? Find out more about the sea’s most beautiful creatures at National Geographic Kids.