Pokémon Red and Blue/Encounter Rates
Here you will find a centralized list of which Pokémon can be found in the various locations in the game.
Route 1
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 55% encounter rate
- Pokémon Blue: 55% encounter rate
- 019 - Rattata
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
Route 2
editIn the tall grass
- 010 - Caterpie
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 013 - Weedle
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 016 - Pidgey
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rate
- 019 - Rattata
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
Route 3
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 50% encounter rate
- Pokémon Blue: 50% encounter rate
- 021 - Spearow
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rate
- 039 - Jigglypuff
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
Route 4
editIn the tall grass
- 019 - Rattata
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
- 021 - Spearow
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 023 - Ekans
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 027 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
Route 5 & Route 6
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 35% encounter rate
- 043 - Oddish
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 052 - Meowth
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 056 - Mankey
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
Route 7
editIn the tall grass
- 026 - Pidgey
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 35% encounter rate
- 037 - Vulpix
- Pokémon Red: Does not appear
- Pokémon Blue: 10% encounter rate
- 043 - Oddish
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 052 - Meowth
- Pokémon Red: Does not appear
- Pokémon Blue: 30% encounter rate
- 056 - Mankey
- Pokémon Red: 30% encounter rate
- Pokémon Blue: Does not appear
- 058 - Growlithe
- Pokémon Red: 10% encounter rate
- Pokémon Blue: Does not appear
Route 8
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 35% encounter rate
- 023 - Ekans
- Pokémon Red: 20% encounter rate
- Pokémon Blue: Does not appear
- 027 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 20% encounter rate
- 037 - Vulpix
- Pokémon Red: Does not appear
- Pokémon Blue: 20% encounter rate
- 052 - Meowth
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 056 - Mankey
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 058 - Growlithe
- Pokémon Red: 20% encounter rate
- Pokémon Blue: Does not appear
Route 9
editIn the tall grass
- 021 - Spearow
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 019 - Rattata
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
- 023 - Ekans
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 027 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
Route 10
editIn the tall grass
- 021 - Spearow
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 023 - Ekans
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 027 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 100 - Voltorb
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
Route 11
editIn the tall grass
- 021 - Spearow
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 023 - Ekans
- Pokémon Red: 45% encounter rate
- Pokémon Blue: Does not appear
- 027 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 45% encounter rate
- 096 - Drowzee
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 12
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 35% encounter rate
- 047 - Venonat
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounte rate
- 043 - Oddish
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 044 - Gloom
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
- 070 - Weepinbell
- Pokémon Red: Does not appear
- Pokémon Blue: 5% encounter rate
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 072 - Tentacool
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 098 - Krabby
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 118 - Goldeen
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 127 - Magikarp
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 13
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 047 - Venonat
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
- 070 - Weepinbell
- Pokémon Red: Does not appear
- Pokémon Blue: 5% encounter rate
- 043 - Oddish
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 044 - Gloom
- Pokémon Red: 5% encounter rate
- Pokémon Blue: Does not appear
- 132 - Ditto
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 072 - Tentacool
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 089 - Krabby
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 118 - Goldeen
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 129 - Magikarp
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 14 & Route 15
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 043 - Oddish
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 044 - Gloom
- Pokémon Red: 5% encounter rate
- Pokémon Blue: Does not appear
- 047 - Venonat
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
- 070 - Weepinbell
- Pokémon Red: 5% encounter rate
- Pokémon Blue: Does not appear
- 132 - Ditto
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
Route 16
editIn the tall grass
- 019 - Rattata
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 020 - Raticate
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 021 - Spearow
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rate
Route 17
editIn the tall grass
- 020 - Raticate
- Pokémon Red: 30% encounter rate
- Pokémon Blue: 30% encounter rate
- 021 - Spearow
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rare
- 022 - Fearow
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 084 - Doduo
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 18
editIn the tall grass
- 020 - Raticate
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 021 - Spearow
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 022 - Fearow
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 084 - Doduo
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 072 - Tentacool
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 098 - Krabby
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 118 - Goldeen
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 129 - Magikarp
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 19 & Route 20
edit- 072 - Tentacool
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Route 21
editIn the tall grass
- 016 - Pidgey
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 019 - Rattata
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 35% encounter rate
- 020 - Radicate
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 114 - Tangela
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
On the water surface
- 072 - Tentacool
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 090 - Shellder
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 116 - Horsea
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 118 - Goldeen
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 120 - Staryu
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Route 22
editIn the tall grass
- 010 - Caterpie
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 013 - Weedle
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 016 - Pidgey
- Pokémon Red: 45% encounter rate
- Pokémon Blue: 45% encounter rate
- 019 - Rattata
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rate
Route 24
editIn the tall grass
- 010 - Caterpie
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 011 - Metapod
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 013 - Weedle
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 014 - Kakuna
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 016 - Pidgey
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 063 - Abra
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Route 25
editIn the tall grass
- 010 - Caterpie
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 20% encounter rate
- 011 - Metapod
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 20% encounter rate
- 013 - Weedle
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 1% encounter rate
- 014 - Kakuna
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 4% encounter rate
- 016 - Pidgey
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 043 - Oddish
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 063 - Abra
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 069 - Bellsprout
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
Diglett’s Cave
editAnywhere
- 050 - Diglett
- Pokémon Red: 95% encounter rate
- Pokémon Blue: 95% encounter rate
- 051 - Dugtrio
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
Mt. Moon
editFirst floor (anywhere)
- 035 - Clefairy
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 041 - Zubat
- Pokémon Red: 79% encounter rate
- Pokémon Blue: 79% encounter rate
- 046 - Paras
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 074 - Geodude
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
Connecting tunnels (anywhere)
- 035 - Clefairy
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 041 - Zubat
- Pokémon Red: 60% encounter rate
- Pokémon Blue: 60% encounter rate
- 046 - Paras
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 074 - Geodude
- Pokémon Red: 26% encounter rate
- Pokémon Blue: 26% encounter rate
Deepest floor (anywhere)
- 035 - Clefairy
- Pokémon Red: 6% encounter rate
- Pokémon Blue: 6% encounter rate
- 041 - Zubat
- Pokémon Red: 54% encounter rate
- Pokémon Blue: 54% encounter rate
- 046 - Paras
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 074 - Geodude
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Pokémon Tower
editThird floor (anywhere)
- 092 - Gastly
- Pokémon Red: 90% encounter rate
- Pokémon Blue: 90% encounter rate
- 093 - Haunter
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 104 - Cubone
- Pokémon Red: 9% encounter rate
- Pokémon Blue: 9% encounter rate
Fourth floor (anywhere)
- 092 - Gastly
- Pokémon Red: 86% encounter rate
- Pokémon Blue: 86% encounter rate
- 093 - Haunter
- Pokémon Red: 9% encounter rate
- Pokémon Blue: 9% encounter rate
- 104 - Cubone
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
Fifth floor (anywhere)
- 092 - Gastly
- Pokémon Red: 86% encounter rate
- Pokémon Blue: 86% encounter rate
- 093 - Haunter
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 104 - Cubone
- Pokémon Red: 9% encounter rate
- Pokémon Blue: 9% encounter rate
Sixth floor (anywhere)
- 092 - Gastly
- Pokémon Red: 85% encounter rate
- Pokémon Blue: 85% encounter rate
- 093 - Haunter
- Pokémon Red: 6% encounter rate
- Pokémon Blue: 6% encounter rate
- 104 - Cubone
- Pokémon Red: 9% encounter rate
- Pokémon Blue: 9% encounter rate
Seventh floor (anywhere)
- 092 - Gastly
- Pokémon Red: 75% encounter rate
- Pokémon Blue: 75% encounter rate
- 093 - Haunter
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 104 - Cubone
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
Rock Tunnel
editUpper floor (anywhere)
- 041 - Zubat
- Pokémon Red: 55% encounter rate
- Pokémon Blue 55% encounter rate
- 066 - Machop
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 074 - Geodude
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 095 - Onix
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
Lower floor (anywhere)
- 041 - Zubat
- Pokémon Red: 50% encounter rate
- Pokémon Blue 50% encounter rate
- 066 - Machop
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 074 - Geodude
- Pokémon Red: 26% encounter rate
- Pokémon Blue: 26% encounter rate
- 095 - Onix
- Pokémon Red: 9% encounter rate
- Pokémon Blue: 9% encounter rate
Safari Zone – Entrance
editIn the tall grass
- 029 - Nidoran ♀
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 10% encounter rate
- 030 - Nidorina
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 029 - Nidoran ♂︎
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 033 - Nidorino
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 102 - Exeggcute
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 047 - Parasect
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 047 - Venonat
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 111 - Rhyhorn
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 113 - Chansey
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 123 - Scyther
- Pokémon Red: 4% encounter rate
- Pokémon Blue: Does not appear
Fishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 089 - Krabby
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 054 - Psyduck
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 079 - Slowpoke
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 147 - Dratini
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
Safari Zone – East Area
editIn the tall grass
- 029 - Nidoran ♀
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 25% encounter rate
- 030 - Nidorina
- Pokémon Red: Does not appear
- Pokémon Blue: 10% encounter rate
- 032 - Nidoran ♂
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 033 - Nidorino
- Pokémon Red: 10% encounter rate
- Pokémon Blue: Does not appear
- 046 - Paras
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 084 - Doduo
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 102 - Exeggcute
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 115 - Kangaskhan
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 123 - Scyther
- Pokémon Red: 1% encounter rate
- Pokémon Blue: Does not appear
- 127 - Pinsir
- Pokémon Red: Does not appear
- Pokémon Blue: 1% encounter rate
Safari Zone – North Area
editIn the tall grass
- 029 - Nidoran ♀
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 030 - Nidorina
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 10% encounter rate
- 032 - Nidoran ♂
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 033 - Nidorino
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 5% encounter rate
- 046 - Paras
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 049 - Venomoth
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 102 - Exeggcute
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 111 - Rhyhorn
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 113 - Chansey
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 128 - Tauros
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
Safari Zone – West Area
editIn the tall grass
- 029 - Nidoran ♀
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 25% encounter rate
- 030 - Nidorina
- Pokémon Red: Does not appear
- Pokémon Blue: 10% encounter rate
- 032 - Nidoran ♂
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 033 - Nidorino
- Pokémon Red: 10% encounter rate
- Pokémon Blue: Does not appear
- 102 - Exeggcute
- Pokémon Red: 20% encounter rate
- Pokémon Blue: 20% encounter rate
- 084 - Doduo
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 048 - Venonat
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 115 - Kangaskhan
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 128 - Tauros
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
Seafoam Island
editGround floor (anywhere)
- 041 - Zubat
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 042 - Golbat
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 054 - Psyduck
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 15% encounter rate
- 055 - Golduck
- Pokémon Red: 1% encounter rate
- Pokémon Blue: Does not appear
- 079 - Slowpoke
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 5% encounter rate
- 086 - Seel
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 090 - Shellder
- Pokémon Red: 19% encounter rate
- Pokémon Blue: Does not appear
- 098 - Krabby
- Pokémon Red: Does not appear
- Pokémon Blue: 20% encounter rate
- 116 - Horsea
- Pokémon Red: 20% encounter rate
- Pokémon Blue: Does not appear
- 120 - Staryu
- Pokémon Red: Does not appear
- Pokémon Blue: 19% encounter rate
Basement 1 (anywhere)
- 054 - Psyduck
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 079 - Slowpoke
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 086 - Seel
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 087 - Dewgong
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 090 - Shellder
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 15% encounter rate
- 098 - Krabby
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 099 - Kingler
- Pokémon Red: Does not appear
- Pokémon Blue: 1% encounter rate
- 116 - Horsea
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 117 - Seadra
- Pokémon Red: 1% encounter rate
- Pokémon Blue: Does not appear
- 120 - Staryu
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 25% encounter rate
Basement 2 (anywhere)
- 042 - Golbat
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 054 - Psyduck
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
- 055 - Golduck
- Pokémon Red: Does not appear
- Pokémon Blue: 1% encounter rate
- 079 - Slowpoke
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 080 - Slowbro
- Pokémon Red: 1% encounter rate
- Pokémon Blue: Does not appear
- 086 - Seel
- Pokémon Red: 40% encounter rate
- Pokémon Blue: 40% encounter rate
- 090 - Shellder
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 10% encounter rate
- 098 - Krabby
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 116 - Horsea
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 120 - Staryu
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 5% encounter rate
Basement 3 (anywhere)
- 054 - Psyduck
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
- 079 - Slowpoke
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 086 - Seel
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 087 - Dewgong
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 090 - Shellder
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 098 - Krabby
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 099 - Kingler
- Pokémon Red: Does not appear
- Pokémon Blue: 4% encounter rate
- 116 - Horsea
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 117 - Seadra
- Pokémon Red: 4$ encounter rate
- Pokémon Blue: Does not appear
- 120 - Staryu
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
Basement 4 (anywhere)
- 042 - Golbat
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
- 054 - Psyduck
- Pokémon Red: Does not appear
- Pokémon Blue: 15% encounter rate
- 055 - Golduck
- Pokémon Red: Does not appear
- Pokémon Blue: 4% encounter rate
- 079 - Slowpoke
- Pokémon Red: 15% encounter rate
- Pokémon Blue: Does not appear
- 080 - Slowbro
- Pokémon Red: 4% encounter rate
- Pokémon Blue: Does not appear
- 086 - Seel
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 090 - Shellder
- Pokémon Red: 25% encounter rate
- Pokémon Blue: Does not appear
- 098 - Krabby
- Pokémon Red: Does not appear
- Pokémon Blue: 40% encounter rate
- 116 - Horsea
- Pokémon Red: 40% encounter rate
- Pokémon Blue: Does not appear
- 120 - Staryu
- Pokémon Red: Does not appear
- Pokémon Blue: 25% encounter rate
Unknown Dungeon
editFirst floor (anywhere)
- 024 - Arbok
- Pokémon Red: 10% encounter rate
- Pokémon Blue: Does not appear
- 026 - Raichu
- Pokémon Red: 4% encounter rate
- Pokémon Blue: 4% encounter rate
- 028 - Sandshrew
- Pokémon Red: Does not appear
- Pokémon Blue: 10% encounter rate
- 042 - Golbat
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 047 - Parasect
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 049 - Venomoth
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 064 - Kadabra
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 5% encounter rate
- 082 - Magniton
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 085 - Dodrio
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 097 - Hypno
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 132 - Ditto
- Pokémon Red: 1% encounter rate
- Pokémon Blue: 1% encounter rate
Second floor (anywhere)
- 040 - Wigglytuff
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 049 - Venomoth
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 064 - Kadabra
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 085 - Dodrio
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 105 - Marowak
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 112 - Rhydon
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 113 - Chansey
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
- 132 - Ditto
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
Basement (anywhere)
- 024 - Arbok
- Pokémon Red: 5% encounter rate
- Pokémon Blue: Does not appear
- 026 - Raichu
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 028 - Sandslash
- Pokémon Red: Does not appear
- Pokémon Blue: 5% encounter rate
- 047 - Parasect
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 101 - Electrode
- Pokémon Red: 15% encounter rate
- Pokémon Blue: 15% encounter rate
- 106 - Marowak
- Pokémon Red: 15% encounter rate
- Pokémon Blue 15% encounter rate
- 112 - Rhydon
- Pokémon Red: 25% encounter rate
- Pokémon Blue: 25% encounter rate
- 113 - Chansey
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
- 132 - Ditto
- Pokémon Red: 10% encounter rate
- Pokémon Blue: 10% encounter rate
Viridian City
editFishing with the Old Rod
- 129 - Magikarp
- Pokémon Red: 100% encounter rate
- Pokémon Blue: 100% encounter rate
Fishing with the Super Rod
- 060 - Poliwag
- Pokémon Red: 50% encounter rate
- Pokémon Blue: 50% encounter rate
- 072 - Tentacool
- Pokémon Red: 50% encounter rate
Viridian Forest
editIn the tall grass
- 010 - Caterpie
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 50% encounter rate
- 011 - Metapod
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 35% encounter rate
- 013 - Weedle
- Pokémon Red: 50% encounter rate
- Pokémon Blue: 5% encounter rate
- 014 - Kakuna
- Pokémon Red: 35% encounter rate
- Pokémon Blue: 5% encounter rate
- 025 - Pikachu
- Pokémon Red: 5% encounter rate
- Pokémon Blue: 5% encounter rate
References
editThe statistics in this page were compiled from the StrategyWiki version of this guide.