Route 17: 9 species in 2 games

Road 17: 9 species across 4 versions

Black and WhiteBlack 2 and White 2

Black and White: 9 species
Species	Method	Levels	Chance	Game page
Horsea	Fishing with a super rod	35 to 55	55%	All places
Seadra	Fishing in dark spots	35 to 60	40%	All places
Qwilfish	Fishing in dark spots	35 to 60	40%	All places
Kingdra	Fishing in dark spots	45 to 70	5%	All places
Finneon	Fishing with a super rod	35 to 55	45%	All places
Lumineon	Fishing in dark spots	35 to 70	15%	All places
Frillish	Surfing	5 to 15	100%	All places
Jellicent	Surfing in dark spots	5 to 20	5%	All places
Alomomola	Surfing in dark spots	5 to 20	95%	All places

Black 2 and White 2: 8 species
Species	Method	Levels	Chance	Game page
Horsea	Fishing with a super rod	50 to 60	40%	All places
Horsea	Fishing in dark spots	50 to 60	40%	All places
Seadra	Fishing in dark spots	60 to 70	15%	All places
Kingdra	Fishing in dark spots	60 to 70	5%	All places
Finneon	Fishing with a super rod	50 to 70	60%	All places
Lumineon	Fishing in dark spots	50 to 60	40%	All places
Frillish	Surfing	45 to 60	100%	All places
Jellicent	Surfing in dark spots	50 to 60	5%	All places
Alomomola	Surfing in dark spots	45 to 60	95%	All places