Your search for "Rare Fish OP03-EN026" revealed the following:
Rare Fish - OP03-EN026 - Common - Unlimited from OTS Tournament Pack 3, available at 401 Games Canada. Rarity: Common Card Text:"Fusionist" + "Enchanting Mermaid"
Charlotte Katakuri (Reprint) - OP03-123 - Secret Rare (No Pencil Mark) from OP-PRB01 Premium Booster: The Best, available at 401 Games Canada. Rarity: Secret Rare Finish: Foil Artist: Studio Vigor Co.,Ltd Card Text:[On Play] Add up to 1 Character with...
Zeff - OP03-047 - Rare from OP-03 Booster Pack: Pillars of Strength, available at 401 Games Canada. Rarity: Rare Finish: Foil Card Text:[DON!! x1] When this Character's attack deals damage to your opponent's Life, you may trash 7 cards from...
Sogeking (Alternate Art) (Manga) (No Star) - OP03-122 - Secret Rare from OP-03 Booster Pack: Pillars of Strength, available at 401 Games Canada. Rarity: Secret Rare Finish: Foil Card Text:Also treat this card's name as [Usopp] according to the rules.[On...