Pallet Town

Pokemon Red and Blue

PokemonLevelsMethodRarity
118Goldeen10Fishing with a Good Rod50%
129Magikarp5Fishing with an Old Rod100%
060Poliwag15Fishing with a Super Rod50%
060Poliwag10Fishing with a Good Rod50%
072Tentacool15Fishing with a Super Rod50%

Pokemon Yellow

PokemonLevelsMethodRarity
118Goldeen10Fishing with a Good Rod50%
129Magikarp5Fishing with an Old Rod100%
060Poliwag10Fishing with a Good Rod50%
120Staryu5-10Fishing with a Super Rod60%
072Tentacool10-20Fishing with a Super Rod40%

Pokemon FireRed

PokemonLevelsMethodRarity
130Gyarados15-25Fishing with a Super Rod15%
116Horsea5-15Fishing with a Good Rod60%
116Horsea15-25Fishing with a Super Rod40%
098Krabby5-15Fishing with a Good Rod20%
129Magikarp5-15Fishing with a Good Rod20%
129Magikarp5-10Fishing with an Old Rod100%
054Psyduck25-35Fishing with a Super Rod1%
117Seadra25-35Fishing with a Super Rod4%
090Shellder15-25Fishing with a Super Rod40%
072Tentacool5-40Surfing100%

Pokemon LeafGreen

PokemonLevelsMethodRarity
130Gyarados15-25Fishing with a Super Rod15%
116Horsea5-15Fishing with a Good Rod20%
099Kingler25-35Fishing with a Super Rod4%
098Krabby5-15Fishing with a Good Rod60%
098Krabby15-25Fishing with a Super Rod40%
129Magikarp5-15Fishing with a Good Rod20%
129Magikarp5-10Fishing with an Old Rod100%
079Slowpoke25-35Fishing with a Super Rod1%
120Staryu15-25Fishing with a Super Rod40%
072Tentacool5-40Surfing100%

Pokemon HeartGold and SoulSilver

PokemonLevelsMethodRarity
170Chinchou20Fishing with a Good Rod20%
170Chinchou40Fishing with a Super Rod40%
171Lanturn40Fishing with a Super Rod10%
129Magikarp10Fishing with an Old Rod85%
129Magikarp20Fishing with a Good Rod40%
090Shellder20Fishing with a Good Rod10%
090Shellder40Fishing with a Super Rod30%
072Tentacool10Fishing with an Old Rod15%
072Tentacool20Fishing with a Good Rod30%
072Tentacool30-35Surfing90%
073Tentacruel40Fishing with a Super Rod20%
073Tentacruel35Surfing10%