Seafoam Islands: 28 species in 6 games

Red and Green (Japan)Red and Blue Yellow FireRed and LeafGreen HeartGold and SoulSilver Let's Go, Pikachu and Eevee

Area 1 of 5

Seafoam Islands (1F): 18 species across 11 versions

Red (Japan): 8 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	21	10%	All places
Golbat	29	5%	All places
Psyduck	28	5%	All places
Golduck	38	1%	All places
Slowpoke	30	20%	All places
Seel	30	20%	All places
Shellder	28 to 30	19%	All places
Horsea	28 to 30	20%	All places

Green (Japan): 8 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	21	10%	All places
Golbat	29	5%	All places
Psyduck	30	20%	All places
Slowpoke	28	5%	All places
Slowbro	38	1%	All places
Seel	30	20%	All places
Krabby	28 to 30	20%	All places
Staryu	28 to 30	19%	All places

Red: 8 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	21	10%	All places
Golbat	29	5%	All places
Psyduck	28	5%	All places
Golduck	38	1%	All places
Slowpoke	30	20%	All places
Seel	30	20%	All places
Shellder	28 to 30	19%	All places
Horsea	28 to 30	20%	All places

Blue: 8 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	21	10%	All places
Golbat	29	5%	All places
Psyduck	30	20%	All places
Slowpoke	28	5%	All places
Slowbro	38	1%	All places
Seel	30	20%	All places
Krabby	28 to 30	20%	All places
Staryu	28 to 30	19%	All places

Yellow: 4 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	9 to 36	45%	All places
Golbat	27 to 36	5%	All places
Slowpoke	28 to 30	15%	All places
Krabby	25 to 27	35%	All places

FireRed and LeafGreen: 3 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	22 to 26	34%	All places
Golbat	26 to 30	11%	All places
Psyduck	26 to 33	55%	All places

HeartGold and SoulSilver: 8 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	26 to 28	30%	All places
Golbat	30 to 32	up to 20%	All places
Psyduck	26 to 29	up to 20%	All places
Golduck	32	10%	All places
Makuhita	30 to 32	20%	All places
Absol	28 to 29	20%	All places
Chingling	30 to 32	20%	All places
Bronzor	28 to 29	20%	All places

Let's Go, Pikachu and Eevee: 8 species
Species	Method	Levels	Chance	Game page
Squirtle	Rare spawn in grass with lure or catch combo	39 to 44	100%	All places
Zubat	Walking in the overworld	39 to 44	100%	All places
Golbat	Walking in the overworld	39 to 44	100%	All places
Slowpoke	Walking in the overworld	39 to 44	100%	All places
Slowbro	Walking in the overworld	39 to 44	100%	All places
Seel	Walking in the overworld	39 to 44	100%	All places
Dewgong	Walking in the overworld	39 to 44	100%	All places
Jynx	Walking in the overworld	39 to 44	100%	All places

Area 2 of 5

Seafoam Islands (B1F): 20 species across 11 versions

Green (Japan): 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Psyduck	28 to 30	15%	All places
Seel	28 to 30	15%	All places
Dewgong	38	4%	All places
Shellder	30	20%	All places
Krabby	30 to 32	30%	All places
Kingler	37	1%	All places
Staryu	32	15%	All places

Red (Japan): 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Slowpoke	28 to 30	15%	All places
Seel	28 to 30	15%	All places
Dewgong	38	4%	All places
Shellder	32	15%	All places
Horsea	30 to 32	30%	All places
Seadra	37	1%	All places
Staryu	30	20%	All places

Blue: 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Psyduck	28 to 30	15%	All places
Seel	28 to 30	15%	All places
Dewgong	38	4%	All places
Shellder	30	20%	All places
Krabby	30 to 32	30%	All places
Kingler	37	1%	All places
Staryu	32	15%	All places

Red: 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Slowpoke	28 to 30	15%	All places
Seel	28 to 30	15%	All places
Dewgong	38	4%	All places
Shellder	32	15%	All places
Horsea	30 to 32	30%	All places
Seadra	37	1%	All places
Staryu	30	20%	All places

Yellow: 6 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	18 to 36	40%	All places
Golbat	27	10%	All places
Slowpoke	29	10%	All places
Seel	22 to 26	5%	All places
Krabby	26 to 28	30%	All places
Kingler	28	5%	All places

FireRed and LeafGreen: 5 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	22 to 26	34%	All places
Golbat	26 to 30	11%	All places
Psyduck	29 to 31	40%	All places
Golduck	33 to 35	5%	All places
Seel	28	10%	All places

HeartGold and SoulSilver: 9 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	28 to 29	10%	All places
Golbat	32 to 34	up to 20%	All places
Psyduck	26 to 28	up to 10%	All places
Golduck	32 to 34	up to 10%	All places
Seel	32 to 34	up to 20%	All places
Makuhita	32 to 34	20%	All places
Absol	28 to 34	20%	All places
Chingling	32 to 34	20%	All places
Bronzor	28 to 34	20%	All places

Let's Go, Pikachu and Eevee: 8 species
Species	Method	Levels	Chance	Game page
Squirtle	Rare spawn in grass with lure or catch combo	39 to 44	100%	All places
Zubat	Walking in the overworld	39 to 44	100%	All places
Golbat	Walking in the overworld	39 to 44	100%	All places
Slowpoke	Walking in the overworld	39 to 44	100%	All places
Slowbro	Walking in the overworld	39 to 44	100%	All places
Seel	Walking in the overworld	39 to 44	100%	All places
Dewgong	Walking in the overworld	39 to 44	100%	All places
Jynx	Walking in the overworld	39 to 44	100%	All places

Area 3 of 5

Seafoam Islands (B2F): 19 species across 11 versions

Red (Japan): 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Golbat	30	4%	All places
Slowpoke	30 to 32	30%	All places
Slowbro	37	1%	All places
Seel	30 to 32	35%	All places
Shellder	28	5%	All places
Horsea	28 to 30	15%	All places
Staryu	30	10%	All places

Green (Japan): 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Golbat	30	4%	All places
Psyduck	30 to 32	30%	All places
Golduck	37	1%	All places
Seel	30 to 32	35%	All places
Shellder	30	10%	All places
Krabby	28 to 30	15%	All places
Staryu	28	5%	All places

Red: 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Golbat	30	4%	All places
Slowpoke	30 to 32	30%	All places
Slowbro	37	1%	All places
Seel	30 to 32	35%	All places
Shellder	28	5%	All places
Horsea	28 to 30	15%	All places
Staryu	30	10%	All places

Blue: 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Golbat	30	4%	All places
Psyduck	30 to 32	30%	All places
Golduck	37	1%	All places
Seel	30 to 32	35%	All places
Shellder	30	10%	All places
Krabby	28 to 30	15%	All places
Staryu	28	5%	All places

Yellow: 7 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	27 to 36	35%	All places
Golbat	27 to 36	15%	All places
Slowpoke	31	4%	All places
Slowbro	31	1%	All places
Seel	24	10%	All places
Krabby	27 to 29	25%	All places
Kingler	28	10%	All places

FireRed and LeafGreen: 5 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	22 to 24	20%	All places
Golbat	26 to 30	10%	All places
Psyduck	30 to 32	40%	All places
Golduck	32 to 34	10%	All places
Seel	30 to 32	20%	All places

HeartGold and SoulSilver: 9 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	29 to 30	10%	All places
Golbat	33 to 35	up to 20%	All places
Psyduck	27 to 30	up to 10%	All places
Golduck	33 to 35	up to 10%	All places
Seel	33 to 35	up to 20%	All places
Makuhita	33 to 35	20%	All places
Absol	30 to 35	20%	All places
Chingling	33 to 35	20%	All places
Bronzor	30 to 35	20%	All places

Let's Go, Pikachu and Eevee: 8 species
Species	Method	Levels	Chance	Game page
Squirtle	Rare spawn in grass with lure or catch combo	39 to 44	100%	All places
Zubat	Walking in the overworld	39 to 44	100%	All places
Golbat	Walking in the overworld	39 to 44	100%	All places
Slowpoke	Walking in the overworld	39 to 44	100%	All places
Slowbro	Walking in the overworld	39 to 44	100%	All places
Seel	Walking in the overworld	39 to 44	100%	All places
Dewgong	Walking in the overworld	39 to 44	100%	All places
Jynx	Walking in the overworld	39 to 44	100%	All places

Area 4 of 5

Seafoam Islands (B3F): 27 species across 11 versions

Red and Green (Japan): 11 species
Species	Method	Levels	Chance	Game page
Psyduck	Walking in tall grass or a cave	31 to 33	35%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Seel	Walking in tall grass or a cave	31 to 33	30%	All places
Dewgong	Walking in tall grass or a cave	37	1%	All places
Shellder	Fishing with a super rod	15	25%	All places
Krabby	Walking in tall grass or a cave	29 to 31	15%	All places
Kingler	Walking in tall grass or a cave	39	4%	All places
Horsea	Fishing with a super rod	15	25%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Staryu	Walking in tall grass or a cave	29 to 31	15%	All places
Magikarp	Fishing with an old rod	5	100%	All places

Red and Blue: 11 species
Species	Method	Levels	Chance	Game page
Psyduck	Walking in tall grass or a cave	31 to 33	35%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Seel	Walking in tall grass or a cave	31 to 33	30%	All places
Dewgong	Walking in tall grass or a cave	37	1%	All places
Shellder	Fishing with a super rod	15	25%	All places
Krabby	Walking in tall grass or a cave	29 to 31	15%	All places
Kingler	Walking in tall grass or a cave	39	4%	All places
Horsea	Fishing with a super rod	15	25%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Staryu	Walking in tall grass or a cave	29 to 31	15%	All places
Magikarp	Fishing with an old rod	5	100%	All places

Yellow: 11 species
Species	Method	Levels	Chance	Game page
Zubat	Walking in tall grass or a cave	27 to 36	30%	All places
Golbat	Walking in tall grass or a cave	27	20%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Tentacool	Surfing	20 to 40	70%	All places
Seel	Walking in tall grass or a cave	26 to 30	15%	All places
Dewgong	Walking in tall grass or a cave	28 to 32	5%	All places
Krabby	Fishing with a super rod	25	40%	All places
Krabby	Walking in tall grass or a cave	29 to 31	20%	All places
Kingler	Fishing with a super rod	35	20%	All places
Kingler	Walking in tall grass or a cave	30	10%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Staryu	Fishing with a super rod	20 to 40	40%	All places
Staryu	Surfing	30	30%	All places
Magikarp	Fishing with an old rod	5	100%	All places

FireRed: 10 species
Species	Method	Levels	Chance	Game page
Zubat	Walking in tall grass or a cave	24	10%	All places
Golbat	Walking in tall grass or a cave	26 to 30	10%	All places
Psyduck	Fishing with a super rod	15 to 25	4%	All places
Psyduck	Surfing	30 to 40	4%	All places
Psyduck	Walking in tall grass or a cave	30 to 32	20%	All places
Golduck	Surfing	35 to 40	1%	All places
Golduck	Walking in tall grass or a cave	32 to 34	15%	All places
Seel	Surfing	25 to 35	60%	All places
Seel	Walking in tall grass or a cave	30 to 32	40%	All places
Dewgong	Surfing	35 to 40	5%	All places
Dewgong	Walking in tall grass or a cave	32 to 34	5%	All places
Krabby	Fishing with a good rod	5 to 15	20%	All places
Horsea	Fishing with a good rod	5 to 15	60%	All places
Horsea	Fishing with a super rod	15 to 30	80%	All places
Horsea	Surfing	25 to 30	30%	All places
Magikarp	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Gyarados	Fishing with a super rod	15 to 35	16%	All places

LeafGreen: 10 species
Species	Method	Levels	Chance	Game page
Zubat	Walking in tall grass or a cave	24	10%	All places
Golbat	Walking in tall grass or a cave	26 to 30	10%	All places
Slowpoke	Fishing with a super rod	15 to 25	4%	All places
Slowpoke	Surfing	30 to 40	4%	All places
Slowpoke	Walking in tall grass or a cave	30 to 32	20%	All places
Slowbro	Surfing	35 to 40	1%	All places
Slowbro	Walking in tall grass or a cave	32 to 34	15%	All places
Seel	Surfing	25 to 35	60%	All places
Seel	Walking in tall grass or a cave	30 to 32	40%	All places
Dewgong	Surfing	35 to 40	5%	All places
Dewgong	Walking in tall grass or a cave	32 to 34	5%	All places
Krabby	Fishing with a good rod	5 to 15	60%	All places
Krabby	Fishing with a super rod	15 to 30	80%	All places
Krabby	Surfing	25 to 30	30%	All places
Horsea	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Gyarados	Fishing with a super rod	15 to 35	16%	All places

HeartGold and SoulSilver: 10 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Zubat	31 to 32	10%	All places
Golbat	34 to 36	up to 20%	All places
Psyduck	31 to 32	up to 10%	All places
Golduck	34 to 36	up to 10%	All places
Seel	34	10%	All places
Dewgong	35 to 36	24%	All places
Makuhita	34 to 36	20%	All places
Absol	32 to 34	20%	All places
Chingling	34 to 36	20%	All places
Bronzor	32 to 34	20%	All places

Let's Go, Pikachu and Eevee: 13 species
Species	Method	Levels	Chance	Game page
Squirtle	Rare spawn in grass with lure or catch combo	39 to 44	100%	All places
Zubat	Walking in the overworld	39 to 44	100%	All places
Golbat	Walking in the overworld	39 to 44	100%	All places
Tentacool	Surfing in the overworld	39 to 44	100%	All places
Tentacruel	Surfing in the overworld	39 to 44	100%	All places
Slowpoke	Walking in the overworld	39 to 44	100%	All places
Slowbro	Walking in the overworld	39 to 44	100%	All places
Seel	Walking in the overworld	39 to 44	100%	All places
Dewgong	Walking in the overworld	39 to 44	100%	All places
Shellder	Surfing in the overworld	39 to 44	100%	All places
Cloyster	Surfing in the overworld	39 to 44	100%	All places
Jynx	Walking in the overworld	39 to 44	100%	All places
Magikarp	Surfing in the overworld	39 to 44	100%	All places

Area 5 of 5

Seafoam Islands (B4F): 28 species across 11 versions

Red (Japan): 11 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	32	1%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Slowpoke	Walking in tall grass or a cave	29 to 31	15%	All places
Slowbro	Walking in tall grass or a cave	39	4%	All places
Seel	Walking in tall grass or a cave	29 to 31	15%	All places
Shellder	Fishing with a super rod	15	25%	All places
Shellder	Walking in tall grass or a cave	31 to 33	30%	All places
Horsea	Fishing with a super rod	15	25%	All places
Horsea	Walking in tall grass or a cave	31 to 33	35%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Articuno	Static encounter	50	100%	All places

Green (Japan): 12 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	32	1%	All places
Psyduck	Walking in tall grass or a cave	29 to 31	15%	All places
Golduck	Walking in tall grass or a cave	39	4%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Seel	Walking in tall grass or a cave	29 to 31	15%	All places
Shellder	Fishing with a super rod	15	25%	All places
Krabby	Walking in tall grass or a cave	31 to 33	35%	All places
Horsea	Fishing with a super rod	15	25%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Staryu	Walking in tall grass or a cave	31 to 33	30%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Articuno	Static encounter	50	100%	All places

Red: 11 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	32	1%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Slowpoke	Walking in tall grass or a cave	29 to 31	15%	All places
Slowbro	Walking in tall grass or a cave	39	4%	All places
Seel	Walking in tall grass or a cave	29 to 31	15%	All places
Shellder	Fishing with a super rod	15	25%	All places
Shellder	Walking in tall grass or a cave	31 to 33	30%	All places
Horsea	Fishing with a super rod	15	25%	All places
Horsea	Walking in tall grass or a cave	31 to 33	35%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Articuno	Static encounter	50	100%	All places

Blue: 12 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	32	1%	All places
Psyduck	Walking in tall grass or a cave	29 to 31	15%	All places
Golduck	Walking in tall grass or a cave	39	4%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Seel	Walking in tall grass or a cave	29 to 31	15%	All places
Shellder	Fishing with a super rod	15	25%	All places
Krabby	Walking in tall grass or a cave	31 to 33	35%	All places
Horsea	Fishing with a super rod	15	25%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Goldeen	Fishing with a super rod	15	25%	All places
Staryu	Fishing with a super rod	15	25%	All places
Staryu	Walking in tall grass or a cave	31 to 33	30%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Articuno	Static encounter	50	100%	All places

Yellow: 12 species
Species	Method	Levels	Chance	Game page
Zubat	Walking in tall grass or a cave	36 to 45	25%	All places
Golbat	Walking in tall grass or a cave	27 to 36	25%	All places
Poliwag	Fishing with a good rod	10	50%	All places
Tentacool	Surfing	20 to 40	70%	All places
Seel	Walking in tall grass or a cave	28 to 32	20%	All places
Dewgong	Walking in tall grass or a cave	30 to 34	5%	All places
Krabby	Fishing with a super rod	25	40%	All places
Krabby	Walking in tall grass or a cave	30	15%	All places
Kingler	Fishing with a super rod	35	20%	All places
Kingler	Walking in tall grass or a cave	32	10%	All places
Goldeen	Fishing with a good rod	10	50%	All places
Staryu	Fishing with a super rod	20 to 40	40%	All places
Staryu	Surfing	30	30%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Articuno	Static encounter	50	100%	All places

FireRed: 10 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	26 to 30	15%	All places
Psyduck	Fishing with a super rod	15 to 25	4%	All places
Psyduck	Surfing	30 to 40	4%	All places
Psyduck	Walking in tall grass or a cave	32	10%	All places
Golduck	Surfing	35 to 40	1%	All places
Golduck	Walking in tall grass or a cave	32 to 34	15%	All places
Seel	Surfing	25 to 35	60%	All places
Seel	Walking in tall grass or a cave	30 to 34	50%	All places
Dewgong	Surfing	35 to 40	5%	All places
Dewgong	Walking in tall grass or a cave	34 to 36	10%	All places
Krabby	Fishing with a good rod	5 to 15	20%	All places
Horsea	Fishing with a good rod	5 to 15	60%	All places
Horsea	Fishing with a super rod	15 to 30	80%	All places
Horsea	Surfing	25 to 30	30%	All places
Magikarp	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Gyarados	Fishing with a super rod	15 to 35	16%	All places
Articuno	Static encounter	50	100%	All places

LeafGreen: 10 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	26 to 30	15%	All places
Slowpoke	Fishing with a super rod	15 to 25	4%	All places
Slowpoke	Surfing	30 to 40	4%	All places
Slowpoke	Walking in tall grass or a cave	32	10%	All places
Slowbro	Surfing	35 to 40	1%	All places
Slowbro	Walking in tall grass or a cave	32 to 34	15%	All places
Seel	Surfing	25 to 35	60%	All places
Seel	Walking in tall grass or a cave	30 to 34	50%	All places
Dewgong	Surfing	35 to 40	5%	All places
Dewgong	Walking in tall grass or a cave	34 to 36	10%	All places
Krabby	Fishing with a good rod	5 to 15	60%	All places
Krabby	Fishing with a super rod	15 to 30	80%	All places
Krabby	Surfing	25 to 30	30%	All places
Horsea	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with a good rod	5 to 15	20%	All places
Magikarp	Fishing with an old rod	5	100%	All places
Gyarados	Fishing with a super rod	15 to 35	16%	All places
Articuno	Static encounter	50	100%	All places

HeartGold and SoulSilver: 18 species
Species	Method	Levels	Chance	Game page
Golbat	Walking in tall grass or a cave	38 to 40	30%	All places
Psyduck	Fishing with a good rod	20	30%	All places
Psyduck	Walking in tall grass or a cave	34	10%	All places
Golduck	Walking in tall grass or a cave	37 to 38	up to 10%	All places
Slowbro	Surfing	35 to 50	10%	All places
Seel	Surfing	30 to 40	60%	All places
Seel	Walking in tall grass or a cave	34	10%	All places
Dewgong	Walking in tall grass or a cave	37 to 38	24%	All places
Krabby	Fishing with a good rod	20	20%	All places
Krabby	Fishing with an old rod	10	15%	All places
Kingler	Fishing with a super rod	40	15%	All places
Horsea	Fishing with a good rod	20	10%	All places
Horsea	Fishing with a super rod	40	30%	All places
Horsea	Surfing	30 to 40	30%	All places
Seadra	Fishing with a super rod	40	15%	All places
Jynx	Walking in tall grass or a cave	38 to 40	up to 10%	All places
Magikarp	Fishing with a good rod	20	40%	All places
Magikarp	Fishing with an old rod	10	85%	All places
Gyarados	Fishing with a super rod	40	40%	All places
Articuno	Static encounter	50	100%	All places
Makuhita	Walking in tall grass or a cave	38	20%	All places
Absol	Walking in tall grass or a cave	34	20%	All places
Chingling	Walking in tall grass or a cave	38	20%	All places
Bronzor	Walking in tall grass or a cave	34	20%	All places

Let's Go, Pikachu and Eevee: 14 species
Species	Method	Levels	Chance	Game page
Squirtle	Rare spawn in grass with lure or catch combo	39 to 44	100%	All places
Zubat	Walking in the overworld	39 to 44	100%	All places
Golbat	Walking in the overworld	39 to 44	100%	All places
Tentacool	Surfing in the overworld	39 to 44	100%	All places
Tentacruel	Surfing in the overworld	39 to 44	100%	All places
Slowpoke	Walking in the overworld	39 to 44	100%	All places
Slowbro	Walking in the overworld	39 to 44	100%	All places
Seel	Walking in the overworld	39 to 44	100%	All places
Dewgong	Walking in the overworld	39 to 44	100%	All places
Shellder	Surfing in the overworld	39 to 44	100%	All places
Cloyster	Surfing in the overworld	39 to 44	100%	All places
Jynx	Walking in the overworld	39 to 44	100%	All places
Magikarp	Surfing in the overworld	39 to 44	100%	All places
Articuno	Static encounter	50	100%	All places