Route 19: 6 species in 1 game

Road 19: 6 species across 2 versions

Black 2White 2

Black 2: 6 species
Species	Method	Levels	Chance	Game page
Poliwag	Fishing with a super rod	40 to 70	60%	All places
Poliwhirl	Fishing in dark spots	40 to 70	55%	All places
Politoed	Fishing in dark spots	50 to 70	5%	All places
Patrat	Walking in rustling grass	2 to 4	100%	All places
Patrat	Walking in tall grass or a cave	2 to 4	50%	All places
Purrloin	Walking in tall grass or a cave	2 to 4	50%	All places
Basculin	Fishing with a super rod	40 to 60	40%	All places
Basculin	Surfing	5 to 15	100%	All places

White 2: 6 species
Species	Method	Levels	Chance	Game page
Poliwag	Fishing with a super rod	40 to 70	60%	All places
Poliwhirl	Fishing in dark spots	40 to 70	55%	All places
Politoed	Fishing in dark spots	50 to 70	5%	All places
Patrat	Walking in rustling grass	2 to 4	100%	All places
Patrat	Walking in tall grass or a cave	2 to 4	50%	All places
Purrloin	Walking in tall grass or a cave	2 to 4	50%	All places
Basculin	Fishing in dark spots	40 to 60	40%	All places
Basculin	Surfing in dark spots	5 to 15	100%	All places