FusionDex

Castata is highly adaptable, changing form to suit its climate. Once native only to Kanto, it spread worldwide by stowing away on ships during the rise of international trade.

Castata's tails are incredibly sensitive to the weather, allowing them to predict storms days before they happen. By looking at how much food a Castata has stockpiled, researchers have been able to tell exactly how long the winter will last.

A Castata is cautious in the extreme. It alters its form depending on the weather.