Gold: The BERRIES it stores in its vase-like shell decompose and become a gooey liquid.
Silver / FireRed: It stores BERRIES inside its shell. To avoid attacks, it hides beneath rocks and remains completely still.
Crystal: The fluid secreted by its toes carves holes in rocks for nesting and can be mixed with BERRIES to make a drink.
Ruby / Sapphire: SHUCKLE quietly hides itself under rocks, keeping its body concealed inside its hard shell while eating berries it has stored away. The berries mix with its body fluids to become a juice.
Emerald: A SHUCKLE hides under rocks, keeping its body concealed inside its shell while eating stored berries. The berries mix with its body fluids to become a juice.
LeafGreen: The BERRIES it stores in its vaselike shell decompose and become a gooey liquid.
Diamond +4: It stores berries in its shell. The berries eventually ferment to become delicious juices.
HeartGold: The berries it stores in its vase-like shell decompose and become a gooey liquid.
SoulSilver +2: It stores berries inside its shell. To avoid attacks, it hides beneath rocks and remains completely still.
Black 2 +2: The berries stored in its vaselike shell eventually become a thick, pulpy juice.
X: The berries stored in its jar-like shell eventually become a thick, pulpy juice.
Omega Ruby / Alpha Sapphire: Shuckle quietly hides itself under rocks, keeping its body concealed inside its hard shell while eating berries it has stored away. The berries mix with its body fluids to become a juice.