Cloyster

Cloyster is the Bivalve pokemon. Cloyster evolves from Shellder with the help of a water stone. Moves Shellder can learn that Cloyster can't- Tackle, Icicle Spear, Leer, Clamp, Ice Shard, Whirlpool, Iron Defense, Brine, Ice Beam. Moves Cloyster can learn that Shellder can't- Toxic Spikes, Spikes, Spike Cannon. Shellder is a water type. When Shellder evolves into a Cloyster it is a water and ice type.