Which Pokémon are in the Water 3 egg group?

There are 6 Pokémon in the Water 3 egg group, including Tentacool, Tentacruel, Shellder, Cloyster, Staryu, and more.

Can Water 3 group Pokémon breed with other groups?

Pokémon in the Water 3 group can only breed with other Pokémon in the same group (or with Ditto).

Invertebrate aquatic Pokémon like shellfish, crustaceans, and other sea creatures.

6 Pokémon belong to the Water 3 egg group.