55: Golduck

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Walking in tall grass or a cave
Cape Brink			5% L37–40
Seafoam Islands 1F	+10% L32	+10% L32							1% L38
Seafoam Islands B1F	4% L32 +10% L34	4% L32 +10% L34	5% L33–35
Seafoam Islands B2F	4% L33 +10% L35	4% L33 +10% L35	10% L32–34							1% L37
Seafoam Islands B3F	4% L34 +10% L36	4% L34 +10% L36	15% L32–34
Seafoam Islands B4F	4% L37 +10% L38	4% L37 +10% L38	15% L32–34							4% L39
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Surfing
Berry Forest			5% L35–40
Cape Brink			5% L35–40
Cerulean Cave 1F	10% L40	10% L40	35% L40–55
Cerulean Cave 2F	10% L40	10% L40
Cerulean Cave B1F	10% L40	10% L40	35% L50–65
Route 6	10% L10	10% L10			10% L10–14	10% L10–14	10% L10–14	5% L15–20
Seafoam Islands B3F			1% L35–40
Seafoam Islands B4F			1% L35–40

Johto

	HeartGold	SoulSilver	Crystal	Gold	Silver
Walking in tall grass or a cave
Mt. Silver 1F top	+10% L48	+10% L48
Mt. Silver 2F	+10% L48	+10% L48	+30% L48	+30% L48 +30% L48 +30% L48	+30% L48 +30% L48 +30% L48
Mt. Silver 3F	20% L48	20% L48
Mt. Silver 4F	20% L48 +10% L48	20% L48 +10% L48
Mt. Silver mountainside	5% L51	5% L51
Mt. Silver top	20% L48 +10% L48 +10% L48	20% L48 +10% L48 +10% L48	+5% L45	5% L51	5% L51
	HeartGold	SoulSilver	Crystal	Gold	Silver
Surfing
Ilex Forest	10% L10–20	10% L10–20	10% L15–19	10% L15–19	10% L15–19
Mt. Silver 2F			30% L40–44
Route 35	10% L15–31	10% L15–31	10% L20–24	10% L20–24	10% L20–24

	Emerald	Ruby	Sapphire
Surfing
Safari Zone NW/mach bike area	5% L25–40	5% L25–40	5% L25–40

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Lake Acuity	15% L39–40
Lake Valor	5% L41 +10% L40
Sea Route 226		10% L51–53	10% L51–53
Sea Route 230		10% L52	10% L52
Sendoff Spring		20% L53–54	20% L53–54
	Platinum	Diamond	Pearl
Surfing
Celestic Town	10% L20–40	10% L20–40	10% L20–40
Eterna City	10% L20–40	10% L20–40	10% L20–40
Lake Acuity	10% L20–40	10% L20–40	10% L20–40
Lake Valor	10% L20–40	10% L20–40	10% L20–40
Lake Verity after Galactic intervention	10% L20–40	10% L20–40	10% L20–40
Lake Verity before Galactic intervention	10% L20–40	10% L20–40	10% L20–40
Oreburgh Gate B1F	5% L20–40	5% L20–40	5% L20–40
Ravaged Path	5% L20–40	5% L20–40	5% L20–40
Resort Area	90% L35–55	100% L40–55	100% L40–55
Route 203	10% L20–40	10% L20–40	10% L20–40
Route 204 north, towards Floaroma Town	10% L20–40	10% L20–40	10% L20–40
Route 204 south, towards Jubilife City	10% L20–40	10% L20–40	10% L20–40
Route 205 east, towards Eterna City	10% L20–40	10% L20–40	10% L20–40
Route 208	10% L20–40	10% L20–40	10% L20–40
Route 209	10% L20–40	10% L20–40	10% L20–40
Route 210 west, towards Celestic Town	10% L20–40	10% L20–40	10% L20–40
Route 212 north, towards Hearthome City	10% L20–40	10% L20–40	10% L20–40
Route 214	10% L20–40	10% L20–40	10% L20–40
Route 225	90% L35–55	70% L40–55	70% L40–55
Sendoff Spring	100% L20–40	100% L40–55	100% L40–55
Twinleaf Town	10% L20–40	10% L20–40	10% L20–40

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Abundant Shrine	10% L34	10% L34
Nature Sanctuary	10% L57	10% L57
Route 11	20% L36	20% L36	20% L47	20% L47
Route 14	25% L34–35	25% L34–35	20% L47	20% L47
Route 22	10% L40	10% L40
Route 23	10% L50	10% L50
Seaside Cave 1F	35% L34–36	35% L34–36
Seaside Cave B1F	20% L40	20% L40
Village Bridge	35% L36–38	35% L36–38	25% L47–49	25% L47–49
	Black 2	White 2	Black	White
Walking in dark grass
Abundant Shrine	10% L38	10% L38
Nature Sanctuary	10% L65	10% L65
Route 11	20% L40	20% L40	20% L57	20% L57
Route 14	25% L37–39	25% L38–39	20% L57	20% L57
Route 22	10% L45	10% L45
Route 23	10% L55	10% L55
Village Bridge	35% L40–42	35% L40–42	25% L57–59	25% L57–59