| Set | No. | Name | Rarity | |
|---|---|---|---|---|
| Fossil | 49 | Horsea | Common | |
| Gym Heroes | 86 | Misty's Horsea | Common | |
| Gym Challenge | 87 | Misty's Horsea | Common | |
| Aquapolis | 84 | Horsea | Common | |
| Aquapolis | 85 | Horsea | Common | |
| Dragon | 33 | Horsea | Uncommon | |
| Dragon | 58 | Horsea | Common | |
| Team Rocket Returns | 58 | Horsea | Common | |
| Holon Phantoms | 66 | Horsea δ | Common | |
| Dragon Frontiers | 31 | Horsea δ | Uncommon | |
| Dragon Frontiers | 50 | Horsea δ | Common | |
| Legends Awakened | 102 | Horsea | Common | |
| HS—Unleashed | 49 | Horsea | Common | |
| Plasma Freeze | 18 | Horsea | Common | |
| Primal Clash | 30 | Horsea | Common | |
| Burning Shadows | 29 | Horsea | Common | |
| Dragon Majesty | 15 | Horsea | Common | |
| Dragon Majesty | 16 | Horsea | Common | |
| McDonald's Collection 2018 | 3 | Horsea | ||
| Shining Fates | 20 | Horsea | Common | |
| Battle Styles | 31 | Horsea | Common | |
| Lost Origin | 35 | Horsea | Common | |
| Scarlet & Violet Black Star Promos | 137 | Horsea | Promo | |
| 151 | 116 | Horsea | Common | |
| Paradox Rift | 30 | Horsea | Common | |
| Shrouded Fable | 10 | Horsea | Common | |
| Shrouded Fable | 67 | Horsea | Illustration Rare | |
| EX Battle Stadium | 58 | Horsea | ||
| Neo Genesis | 62 | Horsea | Common |