Unknown; all Poliwag

Pokemon	Levels	Method	Rarity
Magikarp	40	Fishing with a Super Rod	40%
Magikarp	20	Fishing with a Good Rod	10%
Magikarp	10	Fishing with an Old Rod	10%
Poliwag	30-35	Surfing	100%
Poliwag	40	Fishing with a Super Rod	120%
Poliwag	20	Fishing with a Good Rod	90%
Poliwag	10	Fishing with an Old Rod	90%