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Mistys Cloyster — Gym Heroes Pokémon card

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Mistys CloysterGym Heroes #29 Pokémon Card

Gym Heroes·#29·2000

Misty's Cloyster is a Water-type Bivalve Pokémon, evolving from Shellder, first introduced in Generation I, and is famously associated with the Water-type Gym Leader Misty. This particular card from the 2000 Gym Heroes set is a non-Holo Rare, notable for its unique Pokémon Power that embodies a defensive strategy. Here, you'll find comprehensive details, from its Pokédex lore and powerful Shell Armor ability to its energy costs and weakness, alongside its rich edition history.

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Card Number
#29
Release Date
August 13, 2000
Language
EN
Set Code
gym-heroes

Cloyster, the Bivalve Pokémon, is a Water-type creature known for its incredibly hard shell, which is said to be tougher than diamonds. It evolves from Shellder when exposed to a Water Stone, a process that transforms the small bivalve into a formidable, spiky mollusk. Introduced in Generation I, Cloyster is renowned for its high Defense stat, making it a sturdy opponent in battles. Its natural habitat is the ocean, where it typically anchors itself to the seabed, waiting for prey. When it opens its shell, it reveals a soft, vulnerable interior, which it protects fiercely. In the anime, Cloyster has appeared alongside trainers like Misty, showcasing its powerful Water-type attacks. Its unique design, resembling a clam or oyster with a menacing pearl-like eye, has made it a memorable Pokémon since its debut. Cloyster’s ability to withstand powerful blows and retaliate with icy attacks makes it a strategic choice for many trainers, embodying both resilience and offensive capability.

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Last updated: April 7, 2026

Frequently Asked Questions about Mistys Cloyster