Sea Route 220: 10 species in 2 games

Road 220: 10 species across 3 versions

Diamond and PearlPlatinum

Diamond and Pearl: 10 species
Species	Method	Levels	Chance	Game page
Tentacool	Surfing	20 to 30	60%	All places
Tentacruel	Surfing	20 to 40	5%	All places
Magikarp	Fishing with a good rod	10 to 25	55%	All places
Magikarp	Fishing with an old rod	3 to 10	100%	All places
Gyarados	Fishing with a super rod	30 to 40	40%	All places
Chinchou	Fishing with a super rod	15 to 25	40%	All places
Lanturn	Fishing with a super rod	20 to 45	5%	All places
Wingull	Surfing	20 to 30	30%	All places
Pelipper	Surfing	20 to 40	5%	All places
Finneon	Fishing with a good rod	10 to 25	45%	All places
Lumineon	Fishing with a super rod	30 to 40	15%	All places

Platinum: 9 species
Species	Method	Levels	Chance	Game page
Tentacool	Surfing	20 to 30	60%	All places
Tentacruel	Surfing	20 to 40	9%	All places
Magikarp	Fishing with a good rod	10 to 25	55%	All places
Magikarp	Fishing with an old rod	3 to 15	100%	All places
Gyarados	Fishing with a super rod	30 to 55	40%	All places
Chinchou	Fishing with a super rod	20 to 50	15%	All places
Wingull	Surfing	20 to 30	30%	All places
Pelipper	Surfing	20 to 40	1%	All places
Finneon	Fishing with a good rod	15 to 20	40%	All places
Lumineon	Fishing with a good rod	25 to 35	5%	All places
Lumineon	Fishing with a super rod	30 to 55	45%	All places