Cloyster 20/112
Pokemon card from FireRed & LeafGreen · released Sep 1, 2004
Cloyster is a Rare Water-type Stage 1 Pokemon card, number 20/112 in FireRed & LeafGreen (released Sep 1, 2004), illustrated by Aya Kusube. Its TCGplayer market price was ~$37.48 for the reverse holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Reverse Holofoil TCGplayer market price was about the same, near ~$37.48.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | ~$2.97 | ~$2.21 | ~$3.00 | CardNexuseBayBuy Normal on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$37.48 | ~$30.95 | ~$35.50 | CardNexuseBayBuy Reverse Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
Graded copies on eBay
Graded prices vary a lot by grade. These links search current listings.
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Sealed FireRed & LeafGreen products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.
Card details
| Set | FireRed & LeafGreen |
| Number | 20/112 |
| Rarity | Rare |
| Type | Water |
| HP | 70 |
| Stage | Stage 1 — evolves from Shellder |
| Artist | Aya Kusube |
| Format legality | Not legal in Standard or Expanded |
| Finishes | Normal · Reverse Holofoil |
What the codes mean
- Card number20/112Card 20 of the 112 in the main FireRed & LeafGreen list.
- Set symbol
The small FireRed & LeafGreen symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityRare: a black star.
- Illustrator“Illus. Aya Kusube” names the artist who made the art.
Attacks & abilities
Poke-BODY: ExoskeletonAny damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).
Double Bubble10xFlip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads, the Defending Pokémon is now Paralyzed.
Shell Attack50
Weakness: Lightning ×2 · Retreat cost: 1
Other Cloyster printings
More FireRed & LeafGreen cards
All Cloyster cards · FireRed & LeafGreen price list
Card data via TCGdex and pokemontcg.io, updated Oct 30, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.