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General | Location | Attacks | Stats |
| Gen VI Dex | Gen V Dex | Gen IV Dex | Gen III Dex | Gen II Dex | Gen I Dex |
| Image | Name | Type | Capture Rate | ||
| Shellder | ![]() |
190 |
| Pokémon Gold | |||||
| Location | Method | Time | Rarity | Min. Level | Max Level |
| New Bark Town | Good Rod | All | 10% | 20 | 20 |
| New Bark Town | Super Rod | All | 30% | 40 | 40 |
| Olivine City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Olivine City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Union Cave - B2F | Good Rod | All | 10% | 20 | 20 |
| Union Cave - B2F | Super Rod | All | 30% | 40 | 40 |
| Route 26 | Good Rod | All | 10% | 20 | 20 |
| Route 26 | Super Rod | All | 30% | 40 | 40 |
| Route 27 | Good Rod | All | 10% | 20 | 20 |
| Route 27 | Super Rod | All | 30% | 40 | 40 |
| Pallet Town | Good Rod | All | 10% | 20 | 20 |
| Pallet Town | Super Rod | All | 30% | 40 | 40 |
| Vermilion City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Vermilion City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Vermilion City | Good Rod | All | 10% | 20 | 20 |
| Vermilion City | Super Rod | All | 30% | 40 | 40 |
| Pokémon Silver | |||||
| Location | Method | Time | Rarity | Min. Level | Max Level |
| New Bark Town | Good Rod | All | 10% | 20 | 20 |
| New Bark Town | Super Rod | All | 30% | 40 | 40 |
| Olivine City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Olivine City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Union Cave - B2F | Good Rod | All | 10% | 20 | 20 |
| Union Cave - B2F | Super Rod | All | 30% | 40 | 40 |
| Route 26 | Good Rod | All | 10% | 20 | 20 |
| Route 26 | Super Rod | All | 30% | 40 | 40 |
| Route 27 | Good Rod | All | 10% | 20 | 20 |
| Route 27 | Super Rod | All | 30% | 40 | 40 |
| Pallet Town | Good Rod | All | 10% | 20 | 20 |
| Pallet Town | Super Rod | All | 30% | 40 | 40 |
| Vermilion City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Vermilion City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Vermilion City | Good Rod | All | 10% | 20 | 20 |
| Vermilion City | Super Rod | All | 30% | 40 | 40 |
| Pokémon Crystal | |||||
| Location | Method | Time | Rarity | Min. Level | Max Level |
| New Bark Town | Good Rod | All | 10% | 20 | 20 |
| New Bark Town | Super Rod | All | 30% | 40 | 40 |
| Olivine City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Olivine City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Union Cave - B2F | Good Rod | All | 10% | 20 | 20 |
| Union Cave - B2F | Super Rod | All | 30% | 40 | 40 |
| Route 26 | Good Rod | All | 10% | 20 | 20 |
| Route 26 | Super Rod | All | 30% | 40 | 40 |
| Route 27 | Good Rod | All | 10% | 20 | 20 |
| Route 27 | Super Rod | All | 30% | 40 | 40 |
| Pallet Town | Good Rod | All | 10% | 20 | 20 |
| Pallet Town | Super Rod | All | 30% | 40 | 40 |
| Vermilion City - Harbor | Good Rod | All | 10% | 20 | 20 |
| Vermilion City - Harbor | Super Rod | All | 30% | 40 | 40 |
| Vermilion City | Good Rod | All | 10% | 20 | 20 |
| Vermilion City | Super Rod | All | 30% | 40 | 40 |
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