Route 20

Pokémon

Surfing

Red (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Green (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Blue (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Yellow (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Combined (Full)
Slot	Rate
0	20%	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5
1	20%	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10
2	15%	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15
3	10%	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5
4	10%	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10
5	10%	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15
6	5%	Tentacool	lv. 20	Tentacool	lv. 20	Tentacool	lv. 20	Tentacool	lv. 20
7	5%	Tentacool	lv. 30	Tentacool	lv. 30	Tentacool	lv. 30	Tentacool	lv. 30
8	4%	Tentacool	lv. 35	Tentacool	lv. 35	Tentacool	lv. 35	Tentacool	lv. 35
9	1%	Tentacool	lv. 40	Tentacool	lv. 40	Tentacool	lv. 40	Tentacool	lv. 40

Red (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Green (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Blue (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Yellow (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Combined (Compressed)
Pokémon		Red		Green		Blue		Yellow
	Tentacool	100%	lv. 5, 10, 15, 20, 30, 35, 40	100%	lv. 5, 10, 15, 20, 30, 35, 40	100%	lv. 5, 10, 15, 20, 30, 35, 40	100%	lv. 5, 10, 15, 20, 30, 35, 40

Fishing

Red (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	25%	Super	Staryu	15
1	25%	Super	Horsea	15
2	25%	Super	Shellder	15
3	25%	Super	Goldeen	15

Green (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	25%	Super	Staryu	15
1	25%	Super	Horsea	15
2	25%	Super	Shellder	15
3	25%	Super	Goldeen	15

Blue (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	25%	Super	Staryu	15
1	25%	Super	Horsea	15
2	25%	Super	Shellder	15
3	25%	Super	Goldeen	15

Yellow (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	40%	Super	Tentacool	20
1	30%	Super	Tentacruel	20
2	20%	Super	Staryu	30
3	10%	Super	Tentacruel	40

Combined (Full)
Slot	Rate	Rod	Red			Green			Blue			Yellow
0	100%	Old		Magikarp	lv. 5		Magikarp	lv. 5		Magikarp	lv. 5		Magikarp	lv. 5
0	50%	Good		Goldeen	lv. 10		Goldeen	lv. 10		Goldeen	lv. 10		Goldeen	lv. 10
1	50%	Good		Poliwag	lv. 10		Poliwag	lv. 10		Poliwag	lv. 10		Poliwag	lv. 10
0	25%	Super		Staryu	lv. 15		Staryu	lv. 15		Staryu	lv. 15	N/A
1	25%	Super		Horsea	lv. 15		Horsea	lv. 15		Horsea	lv. 15	N/A
2	25%	Super		Shellder	lv. 15		Shellder	lv. 15		Shellder	lv. 15	N/A
3	25%	Super		Goldeen	lv. 15		Goldeen	lv. 15		Goldeen	lv. 15	N/A
0	40%	Super	N/A			N/A			N/A				Tentacool	lv. 20
1	30%	Super	N/A			N/A			N/A				Tentacruel	lv. 20
2	20%	Super	N/A			N/A			N/A				Staryu	lv. 30
3	10%	Super	N/A			N/A			N/A				Tentacruel	lv. 40

Red (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Staryu	25%	15
Super	Horsea	25%	15
Super	Shellder	25%	15
Super	Goldeen	25%	15

Green (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Staryu	25%	15
Super	Horsea	25%	15
Super	Shellder	25%	15
Super	Goldeen	25%	15

Blue (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Staryu	25%	15
Super	Horsea	25%	15
Super	Shellder	25%	15
Super	Goldeen	25%	15

Yellow (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Tentacool	40%	20
Super	Tentacruel	40%	20, 40
Super	Staryu	20%	30

Combined (Compressed)
Rod		Red		Green		Blue		Yellow
Old	Magikarp	100%	lv. 5	100%	lv. 5	100%	lv. 5	100%	lv. 5
Good	Goldeen	50%	lv. 10	50%	lv. 10	50%	lv. 10	50%	lv. 10
Good	Poliwag	50%	lv. 10	50%	lv. 10	50%	lv. 10	50%	lv. 10
Super	Staryu	25%	lv. 15	25%	lv. 15	25%	lv. 15	20%	lv. 30
Super	Horsea	25%	lv. 15	25%	lv. 15	25%	lv. 15	N/A
Super	Shellder	25%	lv. 15	25%	lv. 15	25%	lv. 15	N/A
Super	Goldeen	25%	lv. 15	25%	lv. 15	25%	lv. 15	N/A
Super	Tentacool	N/A		N/A		N/A		40%	lv. 20
Super	Tentacruel	N/A		N/A		N/A		40%	lv. 20, 40

Pokémon

Surfing

Red (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Blue (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Yellow (Full)
Slot	Rate		Level
0	20%	Tentacool	5
1	20%	Tentacool	10
2	15%	Tentacool	15
3	10%	Tentacool	5
4	10%	Tentacool	10
5	10%	Tentacool	15
6	5%	Tentacool	20
7	5%	Tentacool	30
8	4%	Tentacool	35
9	1%	Tentacool	40

Combined (Full)
Slot	Rate
0	20%	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5
1	20%	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10
2	15%	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15
3	10%	Tentacool	lv. 5	Tentacool	lv. 5	Tentacool	lv. 5
4	10%	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10
5	10%	Tentacool	lv. 15	Tentacool	lv. 15	Tentacool	lv. 15
6	5%	Tentacool	lv. 20	Tentacool	lv. 20	Tentacool	lv. 20
7	5%	Tentacool	lv. 30	Tentacool	lv. 30	Tentacool	lv. 30
8	4%	Tentacool	lv. 35	Tentacool	lv. 35	Tentacool	lv. 35
9	1%	Tentacool	lv. 40	Tentacool	lv. 40	Tentacool	lv. 40

Red (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Blue (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Yellow (Compressed)
Pokémon	Rate	Level
	Tentacool	100%	5, 10, 15, 20, 30, 35, 40

Combined (Compressed)
Pokémon		Red		Blue		Yellow
	Tentacool	100%	lv. 5, 10, 15, 20, 30, 35, 40	100%	lv. 5, 10, 15, 20, 30, 35, 40	100%	lv. 5, 10, 15, 20, 30, 35, 40

Fishing

Red (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	25%	Super	Staryu	15
1	25%	Super	Horsea	15
2	25%	Super	Shellder	15
3	25%	Super	Goldeen	15

Blue (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	25%	Super	Staryu	15
1	25%	Super	Horsea	15
2	25%	Super	Shellder	15
3	25%	Super	Goldeen	15

Yellow (Full)
Slot	Rate	Rod		Level
0	100%	Old	Magikarp	5
0	50%	Good	Goldeen	10
1	50%	Good	Poliwag	10
0	40%	Super	Tentacool	20
1	30%	Super	Tentacruel	20
2	20%	Super	Staryu	30
3	10%	Super	Tentacruel	40

Combined (Full)
Slot	Rate	Rod	Red			Blue			Yellow
0	100%	Old		Magikarp	lv. 5		Magikarp	lv. 5		Magikarp	lv. 5
0	50%	Good		Goldeen	lv. 10		Goldeen	lv. 10		Goldeen	lv. 10
1	50%	Good		Poliwag	lv. 10		Poliwag	lv. 10		Poliwag	lv. 10
0	25%	Super		Staryu	lv. 15		Staryu	lv. 15	N/A
1	25%	Super		Horsea	lv. 15		Horsea	lv. 15	N/A
2	25%	Super		Shellder	lv. 15		Shellder	lv. 15	N/A
3	25%	Super		Goldeen	lv. 15		Goldeen	lv. 15	N/A
0	40%	Super	N/A			N/A				Tentacool	lv. 20
1	30%	Super	N/A			N/A				Tentacruel	lv. 20
2	20%	Super	N/A			N/A				Staryu	lv. 30
3	10%	Super	N/A			N/A				Tentacruel	lv. 40

Red (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Staryu	25%	15
Super	Horsea	25%	15
Super	Shellder	25%	15
Super	Goldeen	25%	15

Blue (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Staryu	25%	15
Super	Horsea	25%	15
Super	Shellder	25%	15
Super	Goldeen	25%	15

Yellow (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Goldeen	50%	10
Good	Poliwag	50%	10
Super	Tentacool	40%	20
Super	Tentacruel	40%	20, 40
Super	Staryu	20%	30

Combined (Compressed)
Rod		Red		Blue		Yellow
Old	Magikarp	100%	lv. 5	100%	lv. 5	100%	lv. 5
Good	Goldeen	50%	lv. 10	50%	lv. 10	50%	lv. 10
Good	Poliwag	50%	lv. 10	50%	lv. 10	50%	lv. 10
Super	Staryu	25%	lv. 15	25%	lv. 15	20%	lv. 30
Super	Horsea	25%	lv. 15	25%	lv. 15	N/A
Super	Shellder	25%	lv. 15	25%	lv. 15	N/A
Super	Goldeen	25%	lv. 15	25%	lv. 15	N/A
Super	Tentacool	N/A		N/A		40%	lv. 20
Super	Tentacruel	N/A		N/A		40%	lv. 20, 40

Pokémon

Wild Shellder have a 23% chance of holding a Pearl and a 2% chance of holding a Big Pearl.

Surfing

Gold (Full)
Slot	Rate	Level
0	60%	Tentacool	35-39
1	30%	Tentacool	30-34
2	10%	Tentacruel	35-39

Silver (Full)
Slot	Rate	Level
0	60%	Tentacool	35-39
1	30%	Tentacool	30-34
2	10%	Tentacruel	35-39

Crystal (Full)
Slot	Rate	Level
0	60%	Tentacool	35-39
1	30%	Tentacool	30-34
2	10%	Tentacruel	35-39

Combined (Full)
Slot	Rate
0	60%	Tentacool	lv. 35-39	Tentacool	lv. 35-39	Tentacool	lv. 35-39
1	30%	Tentacool	lv. 30-34	Tentacool	lv. 30-34	Tentacool	lv. 30-34
2	10%	Tentacruel	lv. 35-39	Tentacruel	lv. 35-39	Tentacruel	lv. 35-39

Gold (Compressed)
Pokémon	Rate	Level
	Tentacool	90%	30-39
	Tentacruel	10%	35-39

Silver (Compressed)
Pokémon	Rate	Level
	Tentacool	90%	30-39
	Tentacruel	10%	35-39

Crystal (Compressed)
Pokémon	Rate	Level
	Tentacool	90%	30-39
	Tentacruel	10%	35-39

Combined (Compressed)
Pokémon		Gold		Silver		Crystal
	Tentacool	90%	lv. 30-39	90%	lv. 30-39	90%	lv. 30-39
	Tentacruel	10%	lv. 35-39	10%	lv. 35-39	10%	lv. 35-39

Fishing

Gold (Full)
Slot	Rate	Rod		Level
0	70%	Old	Magikarp	10
1	15%	Old	Magikarp	10
2	15%	Old	Tentacool	10
0	35%	Good	Magikarp	20
1	35%	Good	Tentacool	20
2	20%	Good	Chinchou	20
3	10%	Good	Shellder	20
0	40%	Super	Chinchou	40
1	30%	Super	Shellder	40
2	20%	Super	Tentacruel	40
3	10%	Super	Lanturn	40

Silver (Full)
Slot	Rate	Rod		Level
0	70%	Old	Magikarp	10
1	15%	Old	Magikarp	10
2	15%	Old	Tentacool	10
0	35%	Good	Magikarp	20
1	35%	Good	Tentacool	20
2	20%	Good	Chinchou	20
3	10%	Good	Shellder	20
0	40%	Super	Chinchou	40
1	30%	Super	Shellder	40
2	20%	Super	Tentacruel	40
3	10%	Super	Lanturn	40

Crystal (Full)
Slot	Rate	Rod		Level
0	70%	Old	Magikarp	10
1	15%	Old	Magikarp	10
2	15%	Old	Tentacool	10
0	35%	Good	Magikarp	20
1	35%	Good	Tentacool	20
2	20%	Good	Chinchou	20
3	10%	Good	Shellder	20
0	40%	Super	Chinchou	40
1	30%	Super	Shellder	40
2	20%	Super	Tentacruel	40
3	10%	Super	Lanturn	40

Combined (Full)
Slot	Rate	Rod
0	70%	Old	Magikarp	lv. 10	Magikarp	lv. 10	Magikarp	lv. 10
1	15%	Old	Magikarp	lv. 10	Magikarp	lv. 10	Magikarp	lv. 10
2	15%	Old	Tentacool	lv. 10	Tentacool	lv. 10	Tentacool	lv. 10
0	35%	Good	Magikarp	lv. 20	Magikarp	lv. 20	Magikarp	lv. 20
1	35%	Good	Tentacool	lv. 20	Tentacool	lv. 20	Tentacool	lv. 20
2	20%	Good	Chinchou	lv. 20	Chinchou	lv. 20	Chinchou	lv. 20
3	10%	Good	Shellder	lv. 20	Shellder	lv. 20	Shellder	lv. 20
0	40%	Super	Chinchou	lv. 40	Chinchou	lv. 40	Chinchou	lv. 40
1	30%	Super	Shellder	lv. 40	Shellder	lv. 40	Shellder	lv. 40
2	20%	Super	Tentacruel	lv. 40	Tentacruel	lv. 40	Tentacruel	lv. 40
3	10%	Super	Lanturn	lv. 40	Lanturn	lv. 40	Lanturn	lv. 40

Gold (Compressed)
Rod		Rate	Level
Old	Magikarp	85%	10
Old	Tentacool	15%	10
Good	Magikarp	35%	20
Good	Tentacool	35%	20
Good	Chinchou	20%	20
Good	Shellder	10%	20
Super	Chinchou	40%	40
Super	Shellder	30%	40
Super	Tentacruel	20%	40
Super	Lanturn	10%	40

Silver (Compressed)
Rod		Rate	Level
Old	Magikarp	85%	10
Old	Tentacool	15%	10
Good	Magikarp	35%	20
Good	Tentacool	35%	20
Good	Chinchou	20%	20
Good	Shellder	10%	20
Super	Chinchou	40%	40
Super	Shellder	30%	40
Super	Tentacruel	20%	40
Super	Lanturn	10%	40

Crystal (Compressed)
Rod		Rate	Level
Old	Magikarp	85%	10
Old	Tentacool	15%	10
Good	Magikarp	35%	20
Good	Tentacool	35%	20
Good	Chinchou	20%	20
Good	Shellder	10%	20
Super	Chinchou	40%	40
Super	Shellder	30%	40
Super	Tentacruel	20%	40
Super	Lanturn	10%	40

Combined (Compressed)
Rod		Gold		Silver		Crystal
Old	Magikarp	85%	lv. 10	85%	lv. 10	85%	lv. 10
Old	Tentacool	15%	lv. 10	15%	lv. 10	15%	lv. 10
Good	Magikarp	35%	lv. 20	35%	lv. 20	35%	lv. 20
Good	Tentacool	35%	lv. 20	35%	lv. 20	35%	lv. 20
Good	Chinchou	20%	lv. 20	20%	lv. 20	20%	lv. 20
Good	Shellder	10%	lv. 20	10%	lv. 20	10%	lv. 20
Super	Chinchou	40%	lv. 40	40%	lv. 40	40%	lv. 40
Super	Shellder	30%	lv. 40	30%	lv. 40	30%	lv. 40
Super	Tentacruel	20%	lv. 40	20%	lv. 40	20%	lv. 40
Super	Lanturn	10%	lv. 40	10%	lv. 40	10%	lv. 40

Pokémon

Surfing

Combined (Full)
Slot	Rate
0	60%	Tentacool	lv. 5-10	Tentacool	lv. 5-10
1	30%	Tentacool	lv. 10-20	Tentacool	lv. 10-20
2	5%	Tentacool	lv. 20-30	Tentacool	lv. 20-30
3	4%	Tentacool	lv. 30-35	Tentacool	lv. 30-35
4	1%	Tentacool	lv. 35-40	Tentacool	lv. 35-40

Combined (Compressed)
Pokémon		FireRed		LeafGreen
	Tentacool	100%	lv. 5-40	100%	lv. 5-40

Fishing

FireRed (Full)
Slot	Rate	Rod		Level
0	70%	Old	Magikarp	5
1	30%	Old	Magikarp	5
0	60%	Good	Horsea	5-15
1	20%	Good	Magikarp	5-15
2	20%	Good	Krabby	5-15
0	40%	Super	Horsea	15-25
1	40%	Super	Horsea	15-25
2	15%	Super	Gyarados	15-25
3	4%	Super	Seadra	25-35
4	1%	Super	Psyduck	25-35

LeafGreen (Full)
Slot	Rate	Rod		Level
0	70%	Old	Magikarp	5
1	30%	Old	Magikarp	5
0	60%	Good	Krabby	5-15
1	20%	Good	Magikarp	5-15
2	20%	Good	Horsea	5-15
0	40%	Super	Krabby	15-25
1	40%	Super	Krabby	15-25
2	15%	Super	Gyarados	15-25
3	4%	Super	Kingler	25-35
4	1%	Super	Slowpoke	25-35

Combined (Full)
Slot	Rate	Rod
0	70%	Old	Magikarp	lv. 5	Magikarp	lv. 5
1	30%	Old	Magikarp	lv. 5	Magikarp	lv. 5
0	60%	Good	Horsea	lv. 5-15	Krabby	lv. 5-15
1	20%	Good	Magikarp	lv. 5-15	Magikarp	lv. 5-15
2	20%	Good	Krabby	lv. 5-15	Horsea	lv. 5-15
0	40%	Super	Horsea	lv. 15-25	Krabby	lv. 15-25
1	40%	Super	Horsea	lv. 15-25	Krabby	lv. 15-25
2	15%	Super	Gyarados	lv. 15-25	Gyarados	lv. 15-25
3	4%	Super	Seadra	lv. 25-35	Kingler	lv. 25-35
4	1%	Super	Psyduck	lv. 25-35	Slowpoke	lv. 25-35

FireRed (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Horsea	60%	5-15
Good	Krabby	20%	5-15
Good	Magikarp	20%	5-15
Super	Horsea	80%	15-25
Super	Gyarados	15%	15-25
Super	Seadra	4%	25-35
Super	Psyduck	1%	25-35

LeafGreen (Compressed)
Rod		Rate	Level
Old	Magikarp	100%	5
Good	Krabby	60%	5-15
Good	Horsea	20%	5-15
Good	Magikarp	20%	5-15
Super	Krabby	80%	15-25
Super	Gyarados	15%	15-25
Super	Kingler	4%	25-35
Super	Slowpoke	1%	25-35

Combined (Compressed)
Rod		FireRed		LeafGreen
Old	Magikarp	100%	lv. 5	100%	lv. 5
Good	Horsea	60%	lv. 5-15	20%	lv. 5-15
Good	Krabby	20%	lv. 5-15	60%	lv. 5-15
Good	Magikarp	20%	lv. 5-15	20%	lv. 5-15
Super	Gyarados	15%	lv. 15-25	15%	lv. 15-25
Super	Horsea	80%	lv. 15-25	N/A
Super	Seadra	4%	lv. 25-35	N/A
Super	Psyduck	1%	lv. 25-35	N/A
Super	Krabby	N/A		80%	lv. 15-25
Super	Kingler	N/A		4%	lv. 25-35
Super	Slowpoke	N/A		1%	lv. 25-35

Pokémon

Wild Tentacool and Tentacruel have a 5% chance of holding a Poison Barb.
Wild Chinchou and Lanturn have a 5% chance of holding a DeepSeaScale.
Wild Shellder have a 50% chance of holding a Pearl and a 5% chance of holding a Big Pearl.

Surfing

Combined (Full)
Slot	Rate
0	60%	Tentacool	lv. 35	Tentacool	lv. 35
1	30%	Tentacool	lv. 30	Tentacool	lv. 30
2	5%	Tentacruel	lv. 35	Tentacruel	lv. 35
3	4%	Tentacruel	lv. 35	Tentacruel	lv. 35
4	1%	Tentacruel	lv. 35	Tentacruel	lv. 35

Combined (Compressed)
Pokémon		HeartGold		SoulSilver
	Tentacool	90%	lv. 30, 35	90%	lv. 30, 35
	Tentacruel	10%	lv. 35	10%	lv. 35

Fishing

HeartGold (Full)
Slot	Rate	Rod		Level
0	40%	Old	Magikarp	10
1	30%	Old	Magikarp	10
2	15%	Old	Magikarp	10
3	10%	Old	Tentacool	10
4	5%	Old	Tentacool	10
0	40%	Good	Magikarp	20
1	30%	Good	Tentacool	20
2	15%	Good	Chinchou	20
3	10%	Good	Shellder	20
4	5%	Good	Chinchou	20
0	40%	Super	Chinchou	40
1	30%	Super	Shellder	40
2	15%	Super	Tentacruel	40
3	10%	Super	Lanturn	40
4	5%	Super	Tentacruel	40

SoulSilver (Full)
Slot	Rate	Rod		Level
0	40%	Old	Magikarp	10
1	30%	Old	Magikarp	10
2	15%	Old	Magikarp	10
3	10%	Old	Tentacool	10
4	5%	Old	Tentacool	10
0	40%	Good	Magikarp	20
1	30%	Good	Tentacool	20
2	15%	Good	Chinchou	20
3	10%	Good	Shellder	20
4	5%	Good	Chinchou	20
0	40%	Super	Chinchou	40
1	30%	Super	Shellder	40
2	15%	Super	Tentacruel	40
3	10%	Super	Lanturn	40
4	5%	Super	Tentacruel	40

Combined (Full)
Slot	Rate	Rod
0	40%	Old	Magikarp	lv. 10	Magikarp	lv. 10
1	30%	Old	Magikarp	lv. 10	Magikarp	lv. 10
2	15%	Old	Magikarp	lv. 10	Magikarp	lv. 10
3	10%	Old	Tentacool	lv. 10	Tentacool	lv. 10
4	5%	Old	Tentacool	lv. 10	Tentacool	lv. 10
0	40%	Good	Magikarp	lv. 20	Magikarp	lv. 20
1	30%	Good	Tentacool	lv. 20	Tentacool	lv. 20
2	15%	Good	Chinchou	lv. 20	Chinchou	lv. 20
3	10%	Good	Shellder	lv. 20	Shellder	lv. 20
4	5%	Good	Chinchou	lv. 20	Chinchou	lv. 20
0	40%	Super	Chinchou	lv. 40	Chinchou	lv. 40
1	30%	Super	Shellder	lv. 40	Shellder	lv. 40
2	15%	Super	Tentacruel	lv. 40	Tentacruel	lv. 40
3	10%	Super	Lanturn	lv. 40	Lanturn	lv. 40
4	5%	Super	Tentacruel	lv. 40	Tentacruel	lv. 40

HeartGold (Compressed)
Rod		Rate	Level
Old	Magikarp	85%	10
Old	Tentacool	15%	10
Good	Magikarp	40%	20
Good	Tentacool	30%	20
Good	Chinchou	20%	20
Good	Shellder	10%	20
Super	Chinchou	40%	40
Super	Shellder	30%	40
Super	Tentacruel	20%	40
Super	Lanturn	10%	40

SoulSilver (Compressed)
Rod		Rate	Level
Old	Magikarp	85%	10
Old	Tentacool	15%	10
Good	Magikarp	40%	20
Good	Tentacool	30%	20
Good	Chinchou	20%	20
Good	Shellder	10%	20
Super	Chinchou	40%	40
Super	Shellder	30%	40
Super	Tentacruel	20%	40
Super	Lanturn	10%	40

Combined (Compressed)
Rod		HeartGold		SoulSilver
Old	Magikarp	85%	lv. 10	85%	lv. 10
Old	Tentacool	15%	lv. 10	15%	lv. 10
Good	Magikarp	40%	lv. 20	40%	lv. 20
Good	Tentacool	30%	lv. 20	30%	lv. 20
Good	Chinchou	20%	lv. 20	20%	lv. 20
Good	Shellder	10%	lv. 20	10%	lv. 20
Super	Chinchou	40%	lv. 40	40%	lv. 40
Super	Shellder	30%	lv. 40	30%	lv. 40
Super	Tentacruel	20%	lv. 40	20%	lv. 40
Super	Lanturn	10%	lv. 40	10%	lv. 40

Pokémon

Sea Skim (West)

Combined (Full)
Rate
45%	Magikarp	lv. 39-44	Magikarp	lv. 39-44
45%	Tentacool	lv. 39-44	Tentacool	lv. 39-44
5%	Tentacruel	lv. 39-44	Tentacruel	lv. 39-44
5%	Gyarados	lv. 39-44	Gyarados	lv. 39-44

Combined (Compressed)
	Let's Go Pikachu		Let's Go Eevee
Magikarp	45%	lv. 39-44	45%	lv. 39-44
Tentacool	45%	lv. 39-44	45%	lv. 39-44
Tentacruel	5%	lv. 39-44	5%	lv. 39-44
Gyarados	5%	lv. 39-44	5%	lv. 39-44

Rare Spawn (Sea Skim, West)

Normally, Rare Spawns have a 0.5% chance of appearing. This rate can be boosted with a Catch Combo, to a maximum of 50% with a combo of 11+ Pokémon.

All Versions
Pokémon		Level	Games
	Lapras	39-44	LGP	LGE

Sea Skim (East)

Combined (Full)
Rate
45%	Magikarp	lv. 37-42	Magikarp	lv. 37-42
45%	Tentacool	lv. 37-42	Tentacool	lv. 37-42
5%	Tentacruel	lv. 37-42	Tentacruel	lv. 37-42
5%	Gyarados	lv. 37-42	Gyarados	lv. 37-42

Combined (Compressed)
	Let's Go Pikachu		Let's Go Eevee
Magikarp	45%	lv. 37-42	45%	lv. 37-42
Tentacool	45%	lv. 37-42	45%	lv. 37-42
Tentacruel	5%	lv. 37-42	5%	lv. 37-42
Gyarados	5%	lv. 37-42	5%	lv. 37-42

Rare Spawn (Sea Skim, East)

Normally, Rare Spawns have a 0.5% chance of appearing. This rate can be boosted with a Catch Combo, to a maximum of 50% with a combo of 11+ Pokémon.

All Versions
Pokémon		Level	Games
	Lapras	37-42	LGP	LGE

Flying

Combined (Compressed)
	Let's Go Pikachu		Let's Go Eevee
Pidgey	60%	lv. 3-56	60%	lv. 3-56
Pidgeotto	35%	lv. 3-56	35%	lv. 3-56
Pidgeot	5%	lv. 3-56	5%	lv. 3-56

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Route 20

Pokémon

Surfing

Fishing

Pokémon

Surfing

Fishing

Pokémon

Surfing

Fishing

Pokémon

Surfing

Fishing

Pokémon

Surfing

Fishing

Pokémon

Sea Skim (West)

Rare Spawn (Sea Skim, West)

Sea Skim (East)

Rare Spawn (Sea Skim, East)

Flying

Items

Items

Items

Trainers

Trainers

Trainers

Trainers

Rematches

Trainers

Trainers

Master Trainers

Slot	Rate		Level
0	60%	Tentacool	5-10
1	30%	Tentacool	10-20
2	5%	Tentacool	20-30
3	4%	Tentacool	30-35
4	1%	Tentacool	35-40

Item	Games		Location	Notes
Stardust	HG	SS	On the northeast corner tile of the sandbar at the edge of Cinnabar Island	Hidden.
DeepSeaTooth	HG	SS	East of the entrance to the Seafoam Islands	Hidden.
DeepSeaScale	HG	SS	North of the Seafoam Islands	Hidden.

Item	Games		Location	Notes
Revive	LGP	LGE	On a rock southwest of Swimmer Darrin, on the eastern half of the route	Hidden. Regenerates daily.
Heart Scale	LGP	LGE	East of Picnicker Irene, on the western half of the route
Revive	LGP	LGE	On a lone rock northeast of the island with Bird Keeper Roger, on the western half of the route	Hidden. Regenerates daily.
Revive	LGP	LGE	On a rock west of Swimmer Dean, on the western half of the route	Hidden. Regenerates daily.
Ultra Ball (3x)	LGP	LGE	On the island with Bird Keeper Roger, on the western half of the route
Max Repel	LGP	LGE	On the large island on the western half of the route
Stardust	LGP	LGE	Just west of Ace Trainer Marty on the western half of the route	Hidden. Regenerates daily.

Trainer	Games				Party	Notes
かいパンやろう (Swimmer)	R	G	B	Y	Shellder lv.31 Cloyster lv.31	East of the Seafoam Islands.
かいパンやろう (Swimmer)	R	G	B	Y	Horsea lv.28 Horsea lv.28 Seadra lv.28 Horsea lv.28	East of the Seafoam Islands.
おとなのおねえさん (Beauty)	R	G	B	Y	Seadra lv.30 Horsea lv.30 Seadra lv.30	East of the Seafoam Islands.
おとなのおねえさん (Beauty)	R	G	B	Y	Seaking lv.35	East of the Seafoam Islands.
ガールスカウト (Jr. Trainer♀)	R	G	B	Y	Tentacool lv.30 Horsea lv.30 Seel lv.30	West of the Seafoam Islands.
かいパンやろう (Swimmer)	R	G	B	Y	Staryu lv.35	West of the Seafoam Islands.
とりつかい (Bird Keeper)	R	G	B	Y	Fearow lv.30 Fearow lv.30 Pidgeotto lv.30	West of the Seafoam Islands.
おとなのおねえさん (Beauty)	R	G	B	Y	Shellder lv.30 Shellder lv.30 Cloyster lv.30	West of the Seafoam Islands.
ガールスカウト (Jr. Trainer♀)	R	G	B	Y	Goldeen lv.31 Seaking lv.31	West of the Seafoam Islands.
おとなのおねえさん (Beauty)	R	G	B	Y	Poliwag lv.31 Seaking lv.31	West of Seafoam Islands.

Trainer	Games			Party	Notes
Swimmer	R	B	Y	Shellder lv.31 Cloyster lv.31	East of the Seafoam Islands.
Swimmer	R	B	Y	Horsea lv.28 Horsea lv.28 Seadra lv.28 Horsea lv.28	East of the Seafoam Islands.
Beauty	R	B	Y	Seadra lv.30 Horsea lv.30 Seadra lv.30	East of the Seafoam Islands.
Beauty	R	B	Y	Seaking lv.35	East of the Seafoam Islands.
Jr. Trainer♀	R	B	Y	Tentacool lv.30 Horsea lv.30 Seel lv.30	West of the Seafoam Islands.
Swimmer	R	B	Y	Staryu lv.35	West of the Seafoam Islands.
Bird Keeper	R	B	Y	Fearow lv.30 Fearow lv.30 Pidgeotto lv.30	West of the Seafoam Islands.
Beauty	R	B	Y	Shellder lv.30 Shellder lv.30 Cloyster lv.30	West of the Seafoam Islands.
Jr. Trainer♀	R	B	Y	Goldeen lv.31 Seaking lv.31	West of the Seafoam Islands.
Beauty	R	B	Y	Poliwag lv.31 Seaking lv.31	West of the Seafoam Islands.

Trainer	Games			Party
Swimmer♂ Cameron	G	S	C	Marill lv.34
Swimmer♀ Lori	G	S	C	Starmie lv.32 Starmie lv.32
Swimmer♀ Nicole	G	S	C	Marill lv.29 Marill lv.29 Lapras lv.32

Trainer	Games		Party	Notes
Swimmer♂ Barry	FR	LG	Shellder lv.31 Cloyster lv.31	East of the Seafoam Islands.
Swimmer♂ Darrin	FR	LG	Horsea lv.28 Horsea lv.28 Horsea lv.28 Seadra lv.28	East of the Seafoam Islands. He can have a higher-leveled team if rematched with the VS Seeker.
Swimmer♀ Shirley	FR	LG	Seadra lv.30 Horsea lv.30 Seadra lv.30	East of the Seafoam Islands.
Swimmer♀ Tiffany	FR	LG	Seaking lv.35	East of the Seafoam Islands.
Picnicker Irene	FR	LG	Tentacool lv.30 Horsea lv.30 Seel lv.30	West of the Seafoam Islands.
Bird Keeper Roger	FR	LG	Fearow lv.30 Fearow lv.30 Pidgeotto lv.30	West of the Seafoam Islands.
Swimmer♀ Nora	FR	LG	Shellder lv.30 Shellder lv.30 Cloyster lv.30	West of the Seafoam Islands.
Swimmer♂ Dean	FR	LG	Staryu lv.35	West of the Seafoam Islands.
Picnicker Missy	FR	LG	Goldeen lv.31 Seaking lv.31	West of the Seafoam Islands. She can have a higher-leveled team if rematched with the VS Seeker.
Swimmer♀ Melissa	FR	LG	Poliwag lv.31 Seaking lv.31	West of the Seafoam Islands. She can have a higher-leveled team if rematched with the VS Seeker.

Trainer	Games		Party	Notes
Swimmer♂ Darrin	FR	LG	Seadra lv.52 Seadra lv.52 Seadra lv.52 Seadra lv.52	West of the Seafoam Islands. Only after restoring the Network Machine on One Island.
Picnicker Missy	FR	LG	Seaking lv.49 Seaking lv.49	East of the Seafoam Islands. Only after defeating the Elite Four.
Picnicker Missy	FR	LG	Seaking lv.54 Seaking lv.54	East of the Seafoam Islands. Only after restoring the Network Machine on One Island.
Swimmer♀ Melissa	FR	LG	Poliwhirl lv.49 Seaking lv.49	East of the Seafoam Islands. Only after defeating the Elite Four.

Trainer	Games		Party	Notes
Swimmer♂ Frankie	HG	SS	Azumarill lv.44	West of the Seafoam Islands.
Bird Keeper Bert	HG	SS	Wingull lv.46 Fearow lv.43	West of the Seafoam Islands.
Swimmer♀ Mina	HG	SS	Luvdisc lv.38 Luvdisc lv.39 Luvdisc lv.41	West of the Seafoam Islands.
Picnicker Cheyenne	HG	SS	Shinx lv.45	West of the Seafoam Islands.
Bird Keeper Ernie	HG	SS	Starly lv.48	West of the Seafoam Islands.
Swimmer♀ Leona	HG	SS	Bidoof lv.44	West of the Seafoam Islands.
Picnicker Adrian	HG	SS	Shroomish lv.45	West of the Seafoam Islands.
Swimmer♂ Luis	HG	SS	Seadra lv.46 Quagsire lv.42	East of the Seafoam Islands.
Camper Pedro	HG	SS	Linoone lv.45	East of the Seafoam Islands. His Linoone holds a Sitrus Berry.
Swimmer♂ Elmo	HG	SS	Poliwhirl lv.46 Tentacruel lv.42	East of the Seafoam Islands.
Swimmer♀ Lori	HG	SS	Starmie lv.42 Starmie lv.42 Starmie lv.42	East of the Seafoam Islands.
Swimmer♀ Nicole	HG	SS	Marill lv.39 Marill lv.39 Lapras lv.42	East of the Seafoam Islands.

Trainer	Games		Party	Notes
Swimmer Douglas	LGP	LGE	Gyarados lv.42	East of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Swimmer Darrin	LGP	LGE	Golduck lv.44 Gyarados lv.44	East of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Beauty Shirley	LGP	LGE	Wartortle lv.41 Starmie lv.41	East of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Picnicker Irene	LGP	LGE	Marowak lv.43 Gloom lv.43 Wigglytuff lv.43	West of the Seafoam Islands. The player will receive 2 Great Balls after the battle.
Beauty Hansol	LGP	LGE	Slowbro lv.43	West of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Bird Keeper Roger	LGP	LGE	Fearow lv.45 Dodrio lv.45 Pidgeot lv.45	West of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Swimmer Dean	LGP	LGE	Starmie lv.44 Tentacruel lv.44 Kingler lv.44	West of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Picnicker Missy	LGP	LGE	Jolteon lv.41	West of the Seafoam Islands. The player will receive 2 Great Balls after the battle.
Beauty Nora	LGP	LGE	Cloyster lv.41	West of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Beauty Melissa	LGP	LGE	Seaking lv.43 Jynx lv.43	West of the Seafoam Islands. The player will receive 3 Poké Balls after the battle.
Ace Trainer Marty	LGP	LGE	Golem lv.45 Pinsir lv.46	West of the Seafoam Islands. The player will receive 5 Ultra Balls after the battle.

Trainer		Level	Nature	Moves				HP	Atk	Def	SpA	SpD	Spe
Beauty Tessa (Eastern half of the route)	Blastoise	80	Careful	Fake Out	Rock Slide	Dark Pulse	Substitute	361	212	339	198	366	254
Beauty Tessa (Eastern half of the route)	Blastoise	80	Careful					361	212	339	198	366	254
Scientist Francis (Eastern half of the route)	Tentacool	75	Careful	Barrier	Headbutt	Hydro Pump	N/A	218	88	180	92	245	133
Scientist Francis (Eastern half of the route)	Tentacool	75	Careful				N/A	218	88	180	92	245	133
Beauty Rose (Western half of the route)	Cloyster	75	Bold	Barrier	Toxic	Protect	Rest	383	132	527	132	72	213
Beauty Rose (Western half of the route)	Cloyster	75	Bold					383	132	527	132	72	213
Beauty Prita (Western half of the route)	Wartortle	75	Careful	Headbutt	Rock Slide	Skull Bash	N/A	284	164	258	155	271	207
Beauty Prita (Western half of the route)	Wartortle	75	Careful				N/A	284	164	258	155	271	207
Scientist Melvin (Western half of the route)	Tentacruel	80	Careful	Wrap	Screech	Barrier	Headbutt	362	291	183	119	393	189
Scientist Melvin (Western half of the route)	Tentacruel	80	Careful					362	291	183	119	393	189