Seafoam Islands
Pokemon Red
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Dewgong | 37-38 | Walking in tall grass or a cave | 5% |
 Golbat | 29-32 | Walking in tall grass or a cave | 10% |
 Goldeen | 10 | Fishing with a Good Rod | 100% |
| Goldeen | 15 | Fishing with a Super Rod | 50% |
 Golduck | 38 | Walking in tall grass or a cave | 1% |
 Horsea | 28-33 | Walking in tall grass or a cave | 115% |
| Horsea | 15 | Fishing with a Super Rod | 50% |
 Magikarp | 5 | Fishing with an Old Rod | 200% |
 Poliwag | 10 | Fishing with a Good Rod | 100% |
 Psyduck | 28 | Walking in tall grass or a cave | 5% |
 Seadra | 37-39 | Walking in tall grass or a cave | 5% |
 Seel | 28-33 | Walking in tall grass or a cave | 115% |
 Shellder | 15 | Fishing with a Super Rod | 50% |
| Shellder | 28-33 | Walking in tall grass or a cave | 84% |
 Slowbro | 37-39 | Walking in tall grass or a cave | 5% |
 Slowpoke | 28-33 | Walking in tall grass or a cave | 115% |
 Staryu | 15 | Fishing with a Super Rod | 50% |
| Staryu | 30 | Walking in tall grass or a cave | 30% |
 Zubat | 21 | Walking in tall grass or a cave | 10% |
Pokemon Blue
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Dewgong | 37-38 | Walking in tall grass or a cave | 5% |
| Golbat | 29-32 | Walking in tall grass or a cave | 10% |
| Goldeen | 10 | Fishing with a Good Rod | 100% |
| Goldeen | 15 | Fishing with a Super Rod | 50% |
| Golduck | 37-39 | Walking in tall grass or a cave | 5% |
| Horsea | 15 | Fishing with a Super Rod | 50% |
 Kingler | 37-39 | Walking in tall grass or a cave | 5% |
 Krabby | 28-33 | Walking in tall grass or a cave | 115% |
| Magikarp | 5 | Fishing with an Old Rod | 200% |
| Poliwag | 10 | Fishing with a Good Rod | 100% |
| Psyduck | 28-33 | Walking in tall grass or a cave | 115% |
| Seel | 28-33 | Walking in tall grass or a cave | 115% |
| Shellder | 15 | Fishing with a Super Rod | 50% |
| Shellder | 30 | Walking in tall grass or a cave | 30% |
| Slowbro | 38 | Walking in tall grass or a cave | 1% |
| Slowpoke | 28 | Walking in tall grass or a cave | 5% |
| Staryu | 15 | Fishing with a Super Rod | 50% |
| Staryu | 28-33 | Walking in tall grass or a cave | 84% |
| Zubat | 21 | Walking in tall grass or a cave | 10% |
Pokemon Yellow
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Dewgong | 28-34 | Walking in tall grass or a cave | 10% |
| Golbat | 27-36 | Walking in tall grass or a cave | 75% |
| Goldeen | 10 | Fishing with a Good Rod | 100% |
| Kingler | 28-32 | Walking in tall grass or a cave | 35% |
| Kingler | 35 | Fishing with a Super Rod | 40% |
| Krabby | 25 | Fishing with a Super Rod | 80% |
| Krabby | 25-31 | Walking in tall grass or a cave | 125% |
| Magikarp | 5 | Fishing with an Old Rod | 200% |
| Poliwag | 10 | Fishing with a Good Rod | 100% |
| Seel | 22-32 | Walking in tall grass or a cave | 50% |
| Slowbro | 31 | Walking in tall grass or a cave | 1% |
| Slowpoke | 28-31 | Walking in tall grass or a cave | 29% |
| Staryu | 30 | Surfing | 60% |
| Staryu | 20-40 | Fishing with a Super Rod | 80% |
 Tentacool | 20-40 | Surfing | 140% |
| Zubat | 9-45 | Walking in tall grass or a cave | 175% |
Pokemon FireRed
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Dewgong | 32-36 | Walking in tall grass or a cave | 15% |
| Dewgong | 35-40 | Surfing | 10% |
| Golbat | 26-30 | Walking in tall grass or a cave | 57% |
| Golduck | 32-35 | Walking in tall grass or a cave | 45% |
| Golduck | 35-40 | Surfing | 2% |
 Gyarados | 15-35 | Fishing with a Super Rod | 32% |
| Horsea | 5-15 | Fishing with a Good Rod | 120% |
| Horsea | 15-30 | Fishing with a Super Rod | 160% |
| Horsea | 25-30 | Surfing | 60% |
| Krabby | 5-15 | Fishing with a Good Rod | 40% |
| Magikarp | 5-15 | Fishing with a Good Rod | 40% |
| Magikarp | 5 | Fishing with an Old Rod | 200% |
| Psyduck | 30-40 | Surfing | 8% |
| Psyduck | 26-33 | Walking in tall grass or a cave | 165% |
| Psyduck | 15-25 | Fishing with a Super Rod | 8% |
| Seel | 28-34 | Walking in tall grass or a cave | 120% |
| Seel | 25-35 | Surfing | 120% |
| Zubat | 22-26 | Walking in tall grass or a cave | 98% |
Pokemon LeafGreen
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Dewgong | 32-36 | Walking in tall grass or a cave | 15% |
| Dewgong | 35-40 | Surfing | 10% |
| Golbat | 26-30 | Walking in tall grass or a cave | 57% |
| Gyarados | 15-35 | Fishing with a Super Rod | 32% |
| Horsea | 5-15 | Fishing with a Good Rod | 40% |
| Krabby | 15-30 | Fishing with a Super Rod | 160% |
| Krabby | 5-15 | Fishing with a Good Rod | 120% |
| Krabby | 25-30 | Surfing | 60% |
| Magikarp | 5-15 | Fishing with a Good Rod | 40% |
| Magikarp | 5 | Fishing with an Old Rod | 200% |
| Seel | 28-34 | Walking in tall grass or a cave | 120% |
| Seel | 25-35 | Surfing | 120% |
| Slowbro | 32-35 | Walking in tall grass or a cave | 45% |
| Slowbro | 35-40 | Surfing | 2% |
| Slowpoke | 30-40 | Surfing | 8% |
| Slowpoke | 26-33 | Walking in tall grass or a cave | 165% |
| Slowpoke | 15-25 | Fishing with a Super Rod | 8% |
| Zubat | 22-26 | Walking in tall grass or a cave | 98% |
Pokemon HeartGold and SoulSilver
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Absol | 28-35 | Walking in tall grass or a cave | 100% |
 Bronzor | 28-35 | Walking in tall grass or a cave | 100% |
 Chingling | 30-38 | Walking in tall grass or a cave | 100% |
| Dewgong | 35-38 | Walking in tall grass or a cave | 48% |
| Golbat | 30-40 | Walking in tall grass or a cave | 150% |
| Golduck | 32-38 | Walking in tall grass or a cave | 66% |
| Gyarados | 40 | Fishing with a Super Rod | 40% |
| Horsea | 40 | Fishing with a Super Rod | 30% |
| Horsea | 30-40 | Surfing | 30% |
| Horsea | 20 | Fishing with a Good Rod | 10% |
 Jynx | 38-40 | Walking in tall grass or a cave | 12% |
| Kingler | 40 | Fishing with a Super Rod | 15% |
| Krabby | 10 | Fishing with an Old Rod | 15% |
| Krabby | 20 | Fishing with a Good Rod | 20% |
| Magikarp | 20 | Fishing with a Good Rod | 40% |
| Magikarp | 10 | Fishing with an Old Rod | 85% |
 Makuhita | 30-38 | Walking in tall grass or a cave | 100% |
| Psyduck | 26-34 | Walking in tall grass or a cave | 84% |
| Psyduck | 20 | Fishing with a Good Rod | 30% |
| Seadra | 40 | Fishing with a Super Rod | 15% |
| Seel | 32-35 | Walking in tall grass or a cave | 80% |
| Seel | 30-40 | Surfing | 60% |
| Slowbro | 35-50 | Surfing | 10% |
| Zubat | 26-32 | Walking in tall grass or a cave | 60% |