The Pokémon TCG hides Horsea in the background art of 7 cards. The cameos sit across 2000–2023, with Ken Sugimori, Naoyo Kimura and Atsushi Furusawa responsible for several of them.
Of the 7 cards, Scarlet & Violet BSP contributes the largest cluster. The illustrator most often responsible is Ken Sugimori, whose Horsea cameos appear in 1 of these cards.
7 cards with Horsea in the background spanning 2000–2023, with art by Ken Sugimori, Naoyo Kimura, Atsushi Furusawa and more.
Horsea appears as a background cameo across 7 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2000–2023 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.