Pokémon Sword & Shield: How To Find & Evolve Shellder Into Cloyster

Cloyster is still a decent defensive Ice-type in Sword & Shield, and Shellder evolves easily with a Water Stone.

What is Cloyster evolution chart? - Quora

Evolution Chart: How to Evolve Every Pokemon

Pokemon Sword & Shield Evolution Stones: Which Stones Evolve Which Pokemon? - GameSpot

Pokemon Sword & Shield Evolutionary Items: where to find every evolution item and which Pokemon they work on

Pokemon Sword & Shield Evolution Stones & Items locations & evolve list

Pokémon of the Week - Cloyster

Shellder (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Pokemon Sword & Shield Evolution Stones & Items locations & evolve list

Poketips: How to evolve every new pokemon on Galar (By level, stones, strategies, trading, gender, items, and more) : r/PokemonSwordAndShield

Pokemon Sword and Shield: How to Catch & Find Shellder and Cloyster

How to Catch Shellder - Pokemon Sword & Shield