78: Rapidash 80: Slowbro

Slowpoke

79: Slowpoke

Kanto

	FireRed	LeafGreen	Yellow	Red	Blue
Walking in tall grass or a cave
Berry Forest		5% L31
Bond Bridge		5% L31
Canyon Entrance		5% L41
Cape Brink		5% L31
Five Isle Meadow		5% L41
Icefall Cave entrance		5% L41
Icefall Cave waterfall		5% L41
Kindle Road		5% L34
Ruin Valley		5% L41
Seafoam Islands 1F		55% L26–33
Seafoam Islands 1F			15% L28–30	20% L30	5% L28
Seafoam Islands B1F		40% L29–31
Seafoam Islands B1F			10% L29	15% L28–30
Seafoam Islands B2F			4% L31	30% L30–32
Seafoam Islands B2F		40% L30–32
Seafoam Islands B3F				35% L31–33
Seafoam Islands B3F		20% L30–32
Seafoam Islands B4F		10% L32
Seafoam Islands B4F				15% L29–31
Treasure Beach		5% L31
Water Path		5% L41
	FireRed	LeafGreen	Yellow	Red	Blue
Fishing with a Super Rod
Berry Forest		5% L15–35
Bond Bridge		1% L25–35
Cape Brink		5% L15–35
Celadon City				50% L15	50% L15
Cerulean Cave 1F		5% L15–35
Cerulean Cave B1F		4% L15–25
Cerulean City		1% L25–35
Cinnabar Island		1% L25–35
Five Island		1% L25–35
Five Isle Meadow		1% L25–35
Four Island		5% L15–35
Fuchsia City		5% L15–35
Green Path		1% L25–35
Icefall Cave entrance		5% L15–35
Icefall Cave waterfall		1% L25–35
Kindle Road		1% L25–35
Memorial Pillar		1% L25–35
One Island		1% L25–35
Outcast Island		1% L25–35
Pallet Town		1% L25–35
Resort Gorgeous		1% L25–35
Route 10		1% L25–35
Route 10				50% L15	50% L15
Route 11		1% L25–35
Route 12		1% L25–35
Route 13		1% L25–35
Route 19		1% L25–35
Route 20		1% L25–35
Route 21		1% L25–35
Route 22		5% L15–35
Route 23		5% L15–35
Route 24		1% L25–35
Route 25		5% L15–35
Route 4		1% L25–35
Route 6		5% L15–35
Ruin Valley		5% L15–35
S.S. Anne		1% L25–35
Safari Zone Area 1, east		4% L15–35
Safari Zone Area 1, east				25% L15	25% L15
Safari Zone Area 2, north				25% L15	25% L15
Safari Zone Area 2, north		4% L15–35
Safari Zone Area 3, west		4% L15–35
Safari Zone Area 3, west				25% L15	25% L15
Safari Zone center		4% L15–35
Safari Zone middle				25% L15	25% L15
Seafoam Islands B3F		4% L15–25
Seafoam Islands B4F		4% L15–25
Tanoby Ruins		1% L25–35
Trainer Tower		1% L25–35
Treasure Beach		1% L25–35
Vermillion City		1% L25–35
Viridian City		5% L15–35
Water Labyrinth		1% L25–35
Water Path		1% L25–35
	FireRed	LeafGreen	Yellow	Red	Blue
Surfing
Berry Forest		95% L5–40
Cape Brink		95% L5–40
Celadon City		99% L5–40
Cerulean Cave 1F		65% L30–50
Cerulean Cave B1F		65% L40–60
Four Island		30% L5–35
Fuchsia City		100% L20–40
Icefall Cave entrance		30% L5–35
Route 12			95% L15
Route 13			95% L15
Route 22		100% L20–40
Route 23		100% L20–40
Route 25		100% L20–40
Route 6		100% L20–40
Safari Zone Area 1, east		100% L20–40
Safari Zone Area 2, north		100% L20–40
Safari Zone Area 3, west		100% L20–40
Safari Zone center		100% L20–40
Seafoam Islands B3F		4% L30–40
Seafoam Islands B4F		4% L30–40
Viridian City		100% L20–40

Johto

	HeartGold	SoulSilver
Walking in tall grass or a cave
Slowpoke Well 1F	15% L6–8	15% L6–8
Slowpoke Well B1F	15% L21–23	15% L21–23
Tohjo Falls	15% L21–23	15% L21–23
	HeartGold	SoulSilver
Surfing
Slowpoke Well 1F	100% L5–25	100% L5–25
Slowpoke Well B1F	90% L10–25	90% L10–25
Tohjo Falls	30% L20	30% L20

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Route 205 east, towards Eterna City	+22% L14–15		+22% L11–12