‘I’m always amazed that people hate slugs so much. I don’t know what a shell does to a snail to make it lovable,’ says Jon. Slugs actually do have a shell, but it’s internal. Their shell has been ...

Without it, the snail risks drying out ... Beyond the obvious (one has a shell, one doesn’t), slugs can be found in different habitats as a result of their differently shaped bodies.

Semi-slugs look somewhat between a snail and a slug due to their small external shells. Fully grown, the slugs are 2 inches long, according to MISC manager Adam Radford. The semi-slugs are an ...