Seaking #21

Ruby & Sapphire was released in 2003. Series classification for this set is EX.

The checklist contains 109 cards, placing it in a mid-size expansion range. As of 2026, the set is 23 years old and fits a legacy-era profile.

Seaking (#21) is one of the Rare prints in this expansion.

Seaking appears in Ruby & Sapphire, released in 2003. Its card type is Pokémon.

The rarity label is Rare. Printed HP is 70.

Energy typing is Water. Seaking evolves from Goldeen.

Attack line includes "Water Arrow" and "Fast Stream". Lightning weakness applies to this print.

Seaking from Ruby & Sapphire is currently trading around $0.79. Price action is stable over 7 days, moving only 0.0%.

It now sits 3.9% above its 30-day average of $0.76. The 90-day window shows a floor near $0.72 and a peak around $0.79 (9% total spread), which maps to low-volatility movement.

The listed rarity for this print is Rare.

Other Seaking printings create a useful comparison set for Seaking. Comparable entries in this snapshot: 6 cards, 6 distinct sets.

Observed alternatives run from $0.07 to $0.26 (271% spread). The current card sits +464% versus the sampled alternative average of $0.14.

Notable alternatives include Seaking #28 (BREAKthrough) at $0.19, Seaking #47 (Sword & Shield) at $0.11, Seaking #21 (Prismatic Evolutions) at $0.12, and Seaking #45 (Twilight Masquerade) at $0.07.

Collector-focused market read: The latest week is near flat (0.0%), suggesting consolidation rather than breakout behavior. Observed 90-day bounds of $0.72 and $0.79 create a 9% band, matching a low-volatility profile.

Versus the 30-day average ($0.76), the card is trading 3.9% higher. This sample does not include a stable graded benchmark, which means active listings remain the best condition-adjusted reference.