Chromodoris reticulata, a raspberry-colored slug, has a disposable penis, which it can regrow—and use—within 24 hours. Each nudibranch, after its roll in the sea sponge, will then lay egg ...

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 ...