Moonfish's Quirk allows him to enlarge, shape, and control his teeth to form powerful blades. The teeth seem to be quite strong, as they were capable of breaking through Todoroki's ice. They can also help Moonfish at mobility and in evading attacks.
- ↑ Boku no Hero Academia Manga: Chapter 81, Page 2
- ↑ Boku no Hero Academia Manga: Chapter 78, Pages 6-8