Ability: Weak Armor/Swift Swim
- Shelfish grow unusually large set of scales that resemble a seashell. These act as armor for Shelfish, protecting its body from attacks. Evolution of this Pokémon was a mystery, as no visual accounts have been made of what Shelfish evolves into, until recently.
Shelfish >Lv45> Nesshell >Lv52> Lochrash