| Type | water | 
| Category | Physical | 
| Power | 75 | 
| Accuracy | 95 | 
| PP | 10 | 
| Introduced | Generation 5 | 
Razor Shell deals damage and has a 50% chance of lowering the target's Defense by one stage.
Stats can be lowered to a minimum of -6 stages each.
When a Pokémon is holding Waterium Z and uses its Z-Power, Razor Shell turns into Hydro Vortex and has base power 140.
| Black White Black 2 White 2 | The user cuts its target with sharp shells. This attack may also lower the target’s Defense stat. | 
| X Y O.Ruby A.Sapphire | The user cuts its target with sharp shells. This may also lower the target’s Defense stat. | 
| Sun Moon Ultra Sun Ultra Moon | The user cuts its target with sharp shells. This may also lower the target’s Defense stat. | 
| Sword Shield B.Diamond S.Pearl | The user cuts its target with sharp shells. This may also lower the target’s Defense stat. | 
| English | Razor Shell | 
|---|---|
| Spanish | Concha Filo | 
| Italian | Conchilama | 
| Japanese | シェルブレード (Shell Blade) | 
| German | Kalkklinge | 
| French | Coquilame |