Route 12
Pokemon Red
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Gloom | 28-30 | Walking in tall grass or a cave | 5% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Goldeen | 15 | Fishing with a Super Rod | 25% | 
 Krabby | 15 | Fishing with a Super Rod | 25% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 15 | Fishing with a Super Rod | 25% | 
 Oddish | 22-26 | Walking in tall grass or a cave | 35% | 
 Pidgey | 23-27 | Walking in tall grass or a cave | 40% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Tentacool | 5 | Fishing with a Super Rod | 25% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 20% | 
Pokemon Blue
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 22-26 | Walking in tall grass or a cave | 35% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Goldeen | 15 | Fishing with a Super Rod | 25% | 
 Krabby | 15 | Fishing with a Super Rod | 25% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 15 | Fishing with a Super Rod | 25% | 
 Pidgey | 23-27 | Walking in tall grass or a cave | 40% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Tentacool | 5 | Fishing with a Super Rod | 25% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 20% | 
 Weepinbell | 28-30 | Walking in tall grass or a cave | 5% | 
Pokemon Yellow
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 25-27 | Walking in tall grass or a cave | 30% | 
 Farfetch'd | 26-31 | Walking in tall grass or a cave | 5% | 
 Gloom | 29 | Walking in tall grass or a cave | 5% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Horsea | 20-25 | Fishing with a Super Rod | 70% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Oddish | 25-27 | Walking in tall grass or a cave | 30% | 
 Pidgeotto | 28 | Walking in tall grass or a cave | 10% | 
 Pidgey | 28 | Walking in tall grass or a cave | 15% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Seadra | 25-35 | Fishing with a Super Rod | 30% | 
 Slowbro | 15-20 | Surfing | 5% | 
 Slowpoke | 15 | Surfing | 95% | 
 Weepinbell | 29 | Walking in tall grass or a cave | 5% | 
Pokemon FireRed
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Gloom | 28-30 | Walking in tall grass or a cave | 5% | 
 Gyarados | 15-25 | Fishing with a Super Rod | 15% | 
 Horsea | 15-35 | Fishing with a Super Rod | 84% | 
 Horsea | 5-15 | Fishing with a Good Rod | 60% | 
 Krabby | 5-15 | Fishing with a Good Rod | 20% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 5-15 | Fishing with a Good Rod | 20% | 
 Oddish | 22-26 | Walking in tall grass or a cave | 35% | 
 Pidgey | 23-27 | Walking in tall grass or a cave | 30% | 
 Psyduck | 25-35 | Fishing with a Super Rod | 1% | 
 Tentacool | 5-40 | Surfing | 100% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 30% | 
Pokemon LeafGreen
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 22-26 | Walking in tall grass or a cave | 35% | 
 Gyarados | 15-25 | Fishing with a Super Rod | 15% | 
 Horsea | 5-15 | Fishing with a Good Rod | 20% | 
 Krabby | 15-35 | Fishing with a Super Rod | 84% | 
 Krabby | 5-15 | Fishing with a Good Rod | 60% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 5-15 | Fishing with a Good Rod | 20% | 
 Pidgey | 23-27 | Walking in tall grass or a cave | 30% | 
 Slowpoke | 25-35 | Fishing with a Super Rod | 1% | 
 Tentacool | 5-40 | Surfing | 100% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 30% | 
 Weepinbell | 28-30 | Walking in tall grass or a cave | 5% | 
Pokemon HeartGold and SoulSilver
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Magikarp | 20 | Fishing with a Good Rod | 40% | 
 Magikarp | 10 | Fishing with an Old Rod | 85% | 
 Magikarp | 40 | Fishing with a Super Rod | 20% | 
 Quagsire | 25 | Surfing | 30% | 
 Qwilfish | 40 | Fishing with a Super Rod | 10% | 
 Relicanth | 20 | Fishing with a Good Rod | 65% | 
 Relicanth | 10 | Fishing with an Old Rod | 15% | 
 Relicanth | 40 | Fishing with a Super Rod | 100% | 
 Tentacool | 10 | Fishing with an Old Rod | 15% | 
 Tentacool | 25 | Surfing | 60% | 
 Tentacool | 20 | Fishing with a Good Rod | 60% | 
 Tentacool | 40 | Fishing with a Super Rod | 70% | 
 Tentacruel | 25 | Surfing | 10% | 

Gloom
Goldeen
Krabby
Magikarp
Oddish
Pidgey
Poliwag
Tentacool
Venonat
Bellsprout
Weepinbell
Farfetch'd
Horsea
Pidgeotto
Seadra
Slowbro
Slowpoke
Gyarados
Psyduck
Quagsire
Qwilfish
Relicanth
Tentacruel