Seafloor Cavern
Pokemon Ruby, Sapphire, and Emerald
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Golbat | 30-35 | Surfing | 5% |
| Golbat | 33-36 | Walking in tall grass or a cave | 10% |
 Magikarp | 10-30 | Fishing with a Good Rod | 60% |
| Magikarp | 5-10 | Fishing with an Old Rod | 70% |
 Tentacool | 5-10 | Fishing with an Old Rod | 30% |
| Tentacool | 10-30 | Fishing with a Good Rod | 20% |
| Tentacool | 5-35 | Surfing | 60% |
 Wailmer | 10-30 | Fishing with a Good Rod | 20% |
| Wailmer | 20-45 | Fishing with a Super Rod | 100% |
 Zubat | 5-35 | Surfing | 35% |
| Zubat | 28-35 | Walking in tall grass or a cave | 90% |