They're agile swimmers while in water, but out of water, they just waddle about clumsily. It's said that they're related to mighty sea dragons, in terms of data similarities.In-game description
The Crystatus is the Stage 2 balanced form of the Tsunami group.
Crystatuses cannot be found in the wild. They are not used by any enemy signers, except for those participating in the Random Tournament.
A Crystatus can be evolved from a Dogrop. In the alpha version it cannot evolve again.