Clamperl

“CLAMPERL’s sturdy shell is not only good for protection - it is also used for clamping and catching prey. A fully grown CLAMPERL’s shell will be scored with nicks and scratches all over.”

— Pokémon Ruby

“CLAMPERL grows while being protected by its rock-hard shell. When its body becomes too large to fit inside the shell, it is sure evidence that this POKéMON is getting close to evolution.”

— Pokémon Sapphire

“A CLAMPERL slams its shell closed on prey to prevent escape. The pearl it creates upon evolution is said to be infused with a mysterious energy.”

— Pokémon Emerald