Route 42
Pokemon HeartGold
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Bidoof | 14 | Walking in tall grass or a cave | 20% |
 Buizel | 13-15 | Walking in tall grass or a cave | 20% |
 Flaaffy | 15-17 | Walking in tall grass or a cave | 10% |
 Goldeen | 10 | Fishing with an Old Rod | 15% |
| Goldeen | 20 | Fishing with a Good Rod | 60% |
| Goldeen | 10-25 | Surfing | 90% |
| Goldeen | 40 | Fishing with a Super Rod | 70% |
 Linoone | 14 | Walking in tall grass or a cave | 20% |
 Magikarp | 40 | Fishing with a Super Rod | 20% |
| Magikarp | 20 | Fishing with a Good Rod | 40% |
| Magikarp | 10 | Fishing with an Old Rod | 85% |
 Mankey | 15 | Walking in tall grass or a cave | 30% |
 Mareep | 13 | Walking in tall grass or a cave | 30% |
 Seaking | 15-25 | Surfing | 10% |
| Seaking | 40 | Fishing with a Super Rod | 10% |
 Spearow | 14-16 | Walking in tall grass or a cave | 60% |
 Whismur | 13-15 | Walking in tall grass or a cave | 20% |
 Zubat | 14-16 | Walking in tall grass or a cave | 30% |
Pokemon SoulSilver
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Bidoof | 15 | Walking in tall grass or a cave | 20% |
| Buizel | 13-14 | Walking in tall grass or a cave | 20% |
| Flaaffy | 15-17 | Walking in tall grass or a cave | 10% |
| Goldeen | 10 | Fishing with an Old Rod | 15% |
| Goldeen | 40 | Fishing with a Super Rod | 70% |
| Goldeen | 20 | Fishing with a Good Rod | 60% |
| Goldeen | 10-25 | Surfing | 90% |
| Linoone | 15 | Walking in tall grass or a cave | 20% |
| Magikarp | 40 | Fishing with a Super Rod | 20% |
| Magikarp | 20 | Fishing with a Good Rod | 40% |
| Magikarp | 10 | Fishing with an Old Rod | 85% |
| Mareep | 13-15 | Walking in tall grass or a cave | 50% |
| Seaking | 15-25 | Surfing | 10% |
| Seaking | 40 | Fishing with a Super Rod | 10% |
| Spearow | 14-16 | Walking in tall grass or a cave | 80% |
| Whismur | 13-14 | Walking in tall grass or a cave | 20% |
| Zubat | 14-16 | Walking in tall grass or a cave | 40% |