Route 125: 6 species in 2 games

Road 125: 6 species across 3 versions

Ruby and SapphireEmerald

Ruby and Sapphire: 6 species
Species	Method	Levels	Chance	Game page
Tentacool	Fishing with a good rod	10 to 30	20%	All places
Tentacool	Fishing with an old rod	5 to 10	30%	All places
Tentacool	Surfing	5 to 35	60%	All places
Magikarp	Fishing with a good rod	10 to 30	60%	All places
Magikarp	Fishing with an old rod	5 to 10	70%	All places
Wingull	Surfing	10 to 30	35%	All places
Pelipper	Surfing	25 to 30	5%	All places
Sharpedo	Fishing with a super rod	30 to 35	40%	All places
Wailmer	Fishing with a good rod	10 to 30	20%	All places
Wailmer	Fishing with a super rod	25 to 45	60%	All places

Emerald: 6 species
Species	Method	Levels	Chance	Game page
Tentacool	Fishing with a good rod	10 to 30	20%	All places
Tentacool	Fishing with an old rod	5 to 10	30%	All places
Tentacool	Surfing	5 to 35	60%	All places
Magikarp	Fishing with a good rod	10 to 30	60%	All places
Magikarp	Fishing with an old rod	5 to 10	70%	All places
Wingull	Surfing	10 to 30	35%	All places
Pelipper	Surfing	25 to 30	5%	All places
Sharpedo	Fishing with a super rod	30 to 35	40%	All places
Wailmer	Fishing with a good rod	10 to 30	20%	All places
Wailmer	Fishing with a super rod	25 to 45	60%	All places