Expedition Base Set

Cloyster

42/165 80 HP · Water · Rare

English card price

97.55 € 30-day average · general reference

We do not have the Near Mint average for the English print yet. Meanwhile this is the Cardmarket 30-day average, which mixes every language and condition (updated 02/11/2026).

See listings on Cardmarket ↗ What makes a card more valuable?

Number	42/165
Rarity	Rare
Category	Pokemon
Stage	Stage1
Evolves from	Shellder
Type	Water
Weakness	Metal x2
Retreat cost	2
Legality	Standard: No · Expanded: No
Finishes	Normal · Reverse holo
Illustrator	Kyoko Umemoto

What to know about this card

It is card 42 of the 165 in the official Expedition Base Set checklist. If you are completing the set, mark it in your collection to keep track.
Rarity: Rare. The symbol in the bottom corner confirms it at a glance, as explained in Pokémon card rarities explained.
It exists in several finishes (Normal, Reverse holo). Each one has its own price; the average above is for the regular version.
Artwork by Kyoko Umemoto. Some collectors chase every card by the same artist: how to start (in Spanish).
Given its price, check it before buying: see how to spot a fake card and whether grading is worth it.