It is a garden pest, and in 1992, the Hogwarts Gamekeeper Rubeus Hagrid explained to Harry Potter that Flesh-Eating Slugs were ruining all of the school cabbages. The only known way to get rid of these slugs is by using a specific repellent that can be bought in Knockturn Alley.
- Harry Potter and the Chamber of Secrets (Mentioned only)
- Harry Potter and the Chamber of Secrets (film) (Illustration on a Flesh-Eating Slug Repellent container)
- Harry Potter and the Chamber of Secrets (video game)
- Harry Potter and the Prisoner of Azkaban (First appearance)