Seaking
Ruby & Sapphire · #21

Seaking

Seaking is a Rare Pokémon TCG printing from Ruby & Sapphire (#21). Cactaur's latest catalog snapshot shows a TCGPlayer market reference near $12.69 for ungraded copies. The set released in 2003. Compare recent sold listings for the same set, number, and finish before buying.

Ruby & Sapphire set collectorsEvolution line completers Unlimited
TCGPlayer market $12.69
Cardmarket trend €0.86
Rarity Rare
App coming soon

Market

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Market $12.69
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Who is this card for?

Seaking suits collectors working on Ruby & Sapphire who need the Rare slot. Compare listing photos to your target finish; skip impulse buys when variant or wear is unclear. This printing is from Ruby & Sapphire.

What is Seaking from Ruby & Sapphire?

Seaking is a Pokémon card in Ruby & Sapphire numbered 21. It evolves from Goldeen. National Pokédex #119. This printing is from Ruby & Sapphire. Collector number 21 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare. The set released in 2003.

What is Seaking worth today?

Cactaur tracks a TCGPlayer market reference near $12.69 for Seaking. Low and high spread runs $6.00 to $97.20. Per-finish references: Reverse Holofoil: $12.69; Normal: $0.91. This printing is from Ruby & Sapphire. Collector number 21 distinguishes this printing from same-name cards in other sets.

SetRuby & Sapphire
Number21
RarityRare
TCGPlayer USD$12.69
Cardmarket EUR€0.86
Reverse Holofoil $12.69
Normal $0.91

Gameplay stats

HP70
TypesWater
Evolves fromGoldeen
Water Arrow Water Choose 1 of your opponent's Pokémon. This attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Fast Stream ColorlessColorless 30 Move 1 Energy card attached to the Defending Pokémon to the other Defending Pokémon. (Ignore this effect if your opponent has only 1 Defending Pokémon.)
WeaknessLightning ×2

How collectible is Seaking?

Seaking is listed as Rare in Ruby & Sapphire. Set collectors, type collectors, and art buyers may value this card differently — confirm variant before paying chase premiums. This printing is from Ruby & Sapphire. Collector number 21 distinguishes this printing from same-name cards in other sets.

What are the key details for Seaking?

Catalog fields: set Ruby & Sapphire, rarity Rare. Illustrated by Hajime Kusajima. Cross-check holo pattern and language when buying online. This printing is from Ruby & Sapphire. Collector number 21 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare.

Cactaur's take

Seaking from Ruby & Sapphire should be evaluated with set context, finish, and condition together.

Pros

  • Seaking is catalogued as Rare printing in Ruby & Sapphire, making set and number verification straightforward.
  • Public market data shows a TCGPlayer reference near $12.69 across finishes (Reverse Holofoil: $12.69; Normal: $0.91).

Cons

  • Raw market prices vary by condition, language, and holo variant — NM estimates are not slab grades.

Verdict: Use $12.69 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

How much is Seaking worth?

Cactaur's catalog shows a TCGPlayer market reference near $12.69 for ungraded Seaking from Ruby & Sapphire. Actual value depends on condition, language, and finish such as holo or reverse holo.

What set is Seaking from?

Seaking is listed in Ruby & Sapphire (EX) as card #21. Always match both name and collector number because many Pokémon share names across sets.

How rare is Seaking?

Our catalog lists Seaking as Rare in Ruby & Sapphire. Rarity guides pull rates but does not alone determine price — chase art, demand, and condition matter.

Is Seaking good for collectors or players?

Seaking includes gameplay stats in Ruby & Sapphire. Players should review format legality; collectors often prioritize set symbol, number, and visual variant over raw power.

What is the difference between holo and reverse holo Seaking?

Finish variants of Seaking carry separate market listings. Reverse Holofoil: $12.69; Normal: $0.91 before buying — sellers often mix up reverse holo and non-holo photos.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-16. Last updated: 2026-06-10.