Sea Route 20

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Fishing with an Old Rod
Tentacool	15% L10	15% L10			15% L10	15% L10	15% L10
Magikarp	85% L10	85% L10	100% L5	100% L5	85% L10	85% L10	85% L10	100% L5	100% L5	100% L5
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Fishing with a Good Rod
Poliwag								50% L10	50% L10	50% L10
Tentacool	30% L20	30% L20			35% L20	35% L20	35% L20
Shellder	10% L20	10% L20			10% L20	10% L20	10% L20
Krabby			20% L5–15	60% L5–15
Horsea			60% L5–15	20% L5–15
Goldeen								50% L10	50% L10	50% L10
Magikarp	40% L20	40% L20	20% L5–15	20% L5–15	35% L20	35% L20	35% L20
Chinchou	20% L20	20% L20			20% L20	20% L20	20% L20
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Fishing with a Super Rod
Psyduck			1% L25–35
Tentacool								40% L20
Tentacruel	20% L40	20% L40			20% L40	20% L40	20% L40	40% L20–40
Slowpoke				1% L25–35
Shellder	30% L40	30% L40			30% L40	30% L40	30% L40		25% L15	25% L15
Krabby				80% L15–25
Kingler				4% L25–35
Horsea			80% L15–25						25% L15	25% L15
Seadra			4% L25–35
Goldeen									25% L15	25% L15
Staryu								20% L30	25% L15	25% L15
Gyarados			15% L15–25	15% L15–25
Chinchou	40% L40	40% L40			40% L40	40% L40	40% L40
Lanturn	10% L40	10% L40			10% L40	10% L40	10% L40
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Surfing
Tentacool	90% L30–35	90% L30–35	100% L5–40	100% L5–40	90% L30–39	90% L30–39	90% L30–39	100% L5–40	100% L5–40	100% L5–40
Tentacruel	10% L35	10% L35			10% L35–39	10% L35–39	10% L35–39