Route 12

Pokemon Red

PokemonLevelsMethodRarity
044Gloom28-30Walking in tall grass or a cave5%
118Goldeen10Fishing with a Good Rod50%
118Goldeen15Fishing with a Super Rod25%
098Krabby15Fishing with a Super Rod25%
129Magikarp5Fishing with an Old Rod100%
129Magikarp15Fishing with a Super Rod25%
043Oddish22-26Walking in tall grass or a cave35%
016Pidgey23-27Walking in tall grass or a cave40%
060Poliwag10Fishing with a Good Rod50%
072Tentacool5Fishing with a Super Rod25%
048Venonat24-26Walking in tall grass or a cave20%

Pokemon Blue

PokemonLevelsMethodRarity
069Bellsprout22-26Walking in tall grass or a cave35%
118Goldeen10Fishing with a Good Rod50%
118Goldeen15Fishing with a Super Rod25%
098Krabby15Fishing with a Super Rod25%
129Magikarp5Fishing with an Old Rod100%
129Magikarp15Fishing with a Super Rod25%
016Pidgey23-27Walking in tall grass or a cave40%
060Poliwag10Fishing with a Good Rod50%
072Tentacool5Fishing with a Super Rod25%
048Venonat24-26Walking in tall grass or a cave20%
070Weepinbell28-30Walking in tall grass or a cave5%

Pokemon Yellow

PokemonLevelsMethodRarity
069Bellsprout25-27Walking in tall grass or a cave30%
083Farfetch'd26-31Walking in tall grass or a cave5%
044Gloom29Walking in tall grass or a cave5%
118Goldeen10Fishing with a Good Rod50%
116Horsea20-25Fishing with a Super Rod70%
129Magikarp5Fishing with an Old Rod100%
043Oddish25-27Walking in tall grass or a cave30%
017Pidgeotto28Walking in tall grass or a cave10%
016Pidgey28Walking in tall grass or a cave15%
060Poliwag10Fishing with a Good Rod50%
117Seadra25-35Fishing with a Super Rod30%
080Slowbro15-20Surfing5%
079Slowpoke15Surfing95%
070Weepinbell29Walking in tall grass or a cave5%

Pokemon FireRed

PokemonLevelsMethodRarity
044Gloom28-30Walking in tall grass or a cave5%
130Gyarados15-25Fishing with a Super Rod15%
116Horsea15-35Fishing with a Super Rod84%
116Horsea5-15Fishing with a Good Rod60%
098Krabby5-15Fishing with a Good Rod20%
129Magikarp5Fishing with an Old Rod100%
129Magikarp5-15Fishing with a Good Rod20%
043Oddish22-26Walking in tall grass or a cave35%
016Pidgey23-27Walking in tall grass or a cave30%
054Psyduck25-35Fishing with a Super Rod1%
072Tentacool5-40Surfing100%
048Venonat24-26Walking in tall grass or a cave30%

Pokemon LeafGreen

PokemonLevelsMethodRarity
069Bellsprout22-26Walking in tall grass or a cave35%
130Gyarados15-25Fishing with a Super Rod15%
116Horsea5-15Fishing with a Good Rod20%
098Krabby15-35Fishing with a Super Rod84%
098Krabby5-15Fishing with a Good Rod60%
129Magikarp5Fishing with an Old Rod100%
129Magikarp5-15Fishing with a Good Rod20%
016Pidgey23-27Walking in tall grass or a cave30%
079Slowpoke25-35Fishing with a Super Rod1%
072Tentacool5-40Surfing100%
048Venonat24-26Walking in tall grass or a cave30%
070Weepinbell28-30Walking in tall grass or a cave5%

Pokemon HeartGold and SoulSilver

PokemonLevelsMethodRarity
129Magikarp20Fishing with a Good Rod40%
129Magikarp10Fishing with an Old Rod85%
129Magikarp40Fishing with a Super Rod20%
195Quagsire25Surfing30%
211Qwilfish40Fishing with a Super Rod10%
369Relicanth20Fishing with a Good Rod65%
369Relicanth10Fishing with an Old Rod15%
369Relicanth40Fishing with a Super Rod100%
072Tentacool10Fishing with an Old Rod15%
072Tentacool25Surfing60%
072Tentacool20Fishing with a Good Rod60%
072Tentacool40Fishing with a Super Rod70%
073Tentacruel25Surfing10%