Crystal Shark [Secret Rare] #RA03-EN031
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Crystal Shark [Secret Rare] #RA03-EN031 collector guide
About Crystal Shark
Crystal Shark is an Effect Monster, printed as RA03-EN031 in Quarter Century Bonanza (2024) as a Secret Rare. It is a Level 5 WATER Fish monster with 1,100 ATK and 800 DEF. At its Level it needs one Tribute to Normal Summon. Quarter Century Bonanza, released in late 2024, mixes classic cards from the original series with modern staples, each in several rarities including Quarter Century Secret Rare and Platinum Secret Rare. Ungraded, this printing ranks 390th of the 968 Quarter Century Bonanza cards we track. The top card is Blue-Eyes White Dragon at €192.99.
Character and collecting appeal
Fish monsters are a small Type that often works with water Field Spells. In play, it is a card for banishing cards and Special Summoning. Its once-per-turn limits are typical of modern card design.
Version and identification
Check the code printed below the artwork on the right: it should read RA03-EN031. RA03-EN031 is the English printing. Other languages use their own letters in place of EN, such as DE or FR, and are priced separately. It is the Secret Rare version. Secret Rares have a rainbow-foil name and diagonal holographic artwork. Quarter Century Bonanza has 6 other printings of Crystal Shark: RA03-EN031 Collector's Rare (€1.06), RA03-EN031 Platinum Secret Rare (€1.42), RA03-EN031 Quarter Century Secret Rare (€0.20), RA03-EN031 Super Rare (€0.07), RA03-EN031 Ultimate Rare (€0.09) and RA03-EN031 Ultra Rare (€0.09). Each has its own price, so match the code, edition and rarity exactly.
Price history
Today an ungraded copy of this printing sells for about €2.85. Our monthly prices for it go back to November 2024. Over the last 12 months ungraded copies are up 113%, and flat in the last month. The current price is its high point on our records. PSA 10 copies have moved up 23% over the same 12 months. Of the 7 printings of Crystal Shark we track, this is the most valuable ungraded. The cheapest is Quarter Century Bonanza RA03-EN031 Super Rare at €0.07.
Investment potential
In its favour: steady demand, with ungraded prices up 113% in a year. Against it: large modern print runs, which tend to cap prices unless a card becomes iconic. Treat this as background, not a prediction or financial advice.
Before you buy
Expect to pay around €2.85 for a clean ungraded copy; played copies sell for less. Ask the seller to show the code RA03-EN031 and the Secret Rare finish clearly in the photos, as listing titles often mix up printings. Modern foils can be scratched or curled straight from the pack, so check the surface under a light if you plan to grade.
Card details and image from YGOPRODeck. Yu-Gi-Oh! is a trademark of Konami; Search Cards is not affiliated with Konami.
Most popular Quarter Century Bonanza cards
How much is Crystal Shark [Secret Rare] #RA03-EN031 (Quarter Century Bonanza) worth?
As of , an ungraded copy of Crystal Shark [Secret Rare] #RA03-EN031 from Quarter Century Bonanza sells for about €2.85 (about $3.20). These values are based on 9 recent completed sales, the latest on 18 Oct 2026. Ungraded values are up 113% over the last 12 months and PSA 10 values are up 23%.
Prices are market values from completed sales, shown in euros (converted from US dollars) and updated every few hours.
Crystal Shark [Secret Rare] #RA03-EN031 FAQ
How much is Crystal Shark [Secret Rare] #RA03-EN031 (Quarter Century Bonanza) worth?
Ungraded, Crystal Shark [Secret Rare] #RA03-EN031 (Quarter Century Bonanza) is worth about €2.85 (about $3.20). Based on recent completed sales as of 23 Oct 2026.
Is Crystal Shark [Secret Rare] #RA03-EN031 (Quarter Century Bonanza) going up in value?
Ungraded Crystal Shark [Secret Rare] #RA03-EN031 values are up 113% over the last 12 months and unchanged over the last month. The highest monthly ungraded value was €2.85 in March 2026.
When was Crystal Shark [Secret Rare] #RA03-EN031 (Quarter Century Bonanza) released?
Crystal Shark [Secret Rare] #RA03-EN031 was released on November 7, 2024 as part of Quarter Century Bonanza.