Some fakemon evolves for the mighty shuckle (and also a shuckle)

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Second stage:

Shuckuoy, the flotsam Pokemon (water/rock)

Shuckles evolve into this second stage when they are driven from their rocky, mountainous homes and into the surrounding sea. Effortlessly buoyant, shuckuoy float aimlessly on ocean currents, just below the waves.

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Third stage:



Shuckliosaur, the tidal Pokemon (dragon/rock)

When the waters grow cold during winter, shuckuoy fall into a dormant state and sink to the bottom of the ocean where they’re buried by the sand. During the next full moon, driven by the tides, shuckuoy evolve into shuckliosaurs. The armor of a shuckliosaur cannot compare to its prior stages, but the speed this aquatic Pokemon exhibits rivals any in the sea.