Generation Iii
Swift Swim
Raises SPEED in rain.
Detailed Effect
This Pokémon's Speed is doubled during rain. This bonus does not count as a stat modifier.
Pokémon With Swift Swim
48 canonical Pokémon forms can have this Ability.
Regular Ability 35 Pokémon
#0116
Horsea
#0118
Goldeen
#0119
Seaking
#0129
Magikarp
#0138
Omanyte 
#0139
Omastar 
#0140
Kabuto 
#0141
Kabutops 
#0211
Qwilfish 
#0226
Mantine 
#0230
Kingdra 
#0270
Lotad 
#0271
Lombre 
#0272
Ludicolo 
#0283
Surskit 
#0349
Feebas
#0367
Huntail
#0368
Gorebyss
#0369
Relicanth 
#0370
Luvdisc
#0418
Buizel
#0419
Floatzel
#0456
Finneon
#0457
Lumineon
#0458
Mantyke 
#0535
Tympole
#0536
Palpitoad 
#0537
Seismitoad 
#0846
Arrokuda
#0847
Barraskewda
#0902
Basculegion Male 
#0904
Overqwil 
#10064
Mega Swampert 
#10234
Hisuian Qwilfish 
#10248
Basculegion Female 
Horsea
#0118
Goldeen
#0119
Seaking
#0129
Magikarp
#0138
Omanyte
#0139
Omastar
#0140
Kabuto
#0141
Kabutops
#0211
Qwilfish 
Mantine 
Kingdra 
Lotad 
Lombre 
Ludicolo 
Surskit
#0349
Feebas
#0367
Huntail
#0368
Gorebyss
#0369
Relicanth 
Luvdisc
#0418
Buizel
#0419
Floatzel
#0456
Finneon
#0457
Lumineon
#0458
Mantyke 
Tympole
#0536
Palpitoad 
#0537
Seismitoad 
#0846
Arrokuda
#0847
Barraskewda
#0902
Basculegion Male 
Overqwil
Mega Swampert 
#10234
Hisuian Qwilfish
Basculegion Female 

Psyduck
Golduck
Poliwag
Poliwhirl
Poliwrath 
Anorith
Armaldo
Tirtouga
Carracosta
Beartic
Chewtle
Drednaw
Drednaw Gmax