Route 4

	HeartGold	SoulSilver	Yellow	Red	Blue
Walking in tall grass or a cave
Arbok		5% L10
Bidoof	+20% L8	+20% L8
Buizel	+20% L5	+20% L5
Ekans		+20% L8		25% L6–12
Jigglypuff	10% L6	10% L6
Linoone	+20% L8	+20% L8
Mankey			15% L9
Rattata	5% L10 +20% L5 +20% L5 +5% L8 +10% L5 +10% L5 +20% L8	+20% L5 +20% L5 +25% L5–8 +10% L5 +10% L5 +10% L5	15% L10–12	40% L8–12	40% L8–12
Sandshrew			15% L8–10		25% L6–12
Spearow	20% L5 +5% L8 +5% L8 +10% L5 +20% L8 +20% L8	+25% L5–8 +25% L5–8 +10% L5 +10% L5	55% L8–12	35% L8–12	35% L8–12
Whismur	+20% L5	+20% L5
Zubat	+20% L5 +10% L5	+20% L5 +10% L5
	HeartGold	SoulSilver	Yellow	Red	Blue
Fishing with an Old Rod
Goldeen	15% L10	15% L10
Magikarp	85% L10	85% L10
	HeartGold	SoulSilver	Yellow	Red	Blue
Fishing with a Good Rod
Goldeen	60% L20	60% L20
Magikarp	40% L20	40% L20
	HeartGold	SoulSilver	Yellow	Red	Blue
Fishing with a Super Rod
Goldeen	70% L40	70% L40
Magikarp	20% L40	20% L40
Seaking	10% L40	10% L40
	HeartGold	SoulSilver	Yellow	Red	Blue
Surfing
Goldeen	90% L5–10	90% L5–10
Seaking	10% L10	10% L10

	FireRed	LeafGreen
Walking in tall grass or a cave
Ekans	25% L6–12
Mankey	5% L10–12	5% L10–12
Rattata	35% L8–12	35% L8–12
Sandshrew		25% L6–12
Spearow	35% L8–12	35% L8–12
	FireRed	LeafGreen
Fishing with an Old Rod
Magikarp	100% L5	100% L5
	FireRed	LeafGreen
Fishing with a Good Rod
Horsea	60% L5–15	20% L5–15
Krabby	20% L5–15	60% L5–15
Magikarp	20% L5–15	20% L5–15
	FireRed	LeafGreen
Fishing with a Super Rod
Gyarados	15% L15–25	15% L15–25
Horsea	84% L15–35
Krabby		84% L15–35
Psyduck	1% L25–35
Slowpoke		1% L25–35
	FireRed	LeafGreen
Surfing
Tentacool	100% L5–40	100% L5–40