Water Types

Water Type Pokémon are strong against Fire, Ground, and Rock, this means that water types will deal more damage against said types

Water Type Pokémon are weak against Electric, and Grass, this means that said typing's attacks will deal more damage

Water Type Pokémon are not very effective against Dragon, and Water, meaning that water won't deal as much damage as normal

Some defensive pros are that fire, water, ice, and steel do not deal as much damage to it. Although one ice type attack is super effective against water; Freeze Dry.

Items that are good for Water type Pokemon are: Mystic Water, Splash Plate, Water Gem, Water Stone, Sea Incense, and Wave Incense

Water Type Pokemon: Squirtle, Wartortle, Blastoise, Psyduck, Golduck, Poliwag, Poliwhirl, Poliwrath, Tentacool, Tentacruel, Slowpoke, Slowbro, Seel, Dewgong, Shelder, Cloyster, Krabby, Kingler, Horsea, Seadra, Goldeen, Seaking, Staryu, Starmie, Magikarp, Gyarados, Lapras, Vaporeon, Omanyte, Omastar, Kabuto, Kabutops, Totodile, Croconaw, Feraligatr, Chinchou, Lanturn, Marill, Azumarill, Politoed, Wooper, Quagsire, Slowking, Qwilfish, Corsola, Remoraid, Octillery, Mantine, Kingdra, Suicune, Mudkip, Marshtomp, Swampert, Lotad, Lombre, Ludicolo, Wingull, Pelliper, Surskit, Carvanha, Sharpedo, Wailmer, Wailord, Barboach, Whiscash, Corphish, Crawdaunt, Feebas, Milotic, Spheal, Walrein, Sealeo, Clamperl, Huntail, Gorebyss, Relicanth, Luvdisc, Kyogre, Piplup, Prinplup, Empoleon, Bibarel, Buizel, Floatzel, Shellos, Gastrodon, Finneon, Lumineon, Mantyke, Palkia, Phione, ***Manaphy!!***, Oshawott, Dewott, Samurott, Panpour, Simipour, Tympole, Palpitoad, Seismitoad, Basculin, Tirtouga, Carracosta, Ducklett, Swanna, Frillish, Jellicent, Alomomola, Keldeo, Froakie, Frogadier, Greninja, Binacle, Barbaracle, Skrelp, Clauncher, and Clawitzer

Generation 1: Squirtle, Wartortle, Blastoise, Psyduck, Golduck, Poliwag, Poliwhirl, Poliwrath, Tentacool, Tentacruel, Slowpoke, Slowbro, Seel, Dewgong, Shelder, Cloyster, Krabby, Kingler, Horsea, Seadra, Goldeen, Seaking, Staryu, Starmie, Magikarp, Gyarados, Lapras, Vaporeon, Omanyte, Omastar, Kabuto, Kabutops,

Generation 2: Totodile, Croconaw, Feraligatr, Chinchou, Lanturn, Marill, Azumarill, Politoed, Wooper, Quagsire, Slowking, Qwilfish, Corsola, Remoraid, Octillery, Mantine, Kingdra, Suicune

Generation 3: Mudkip, Marshtomp, Swampert, Lotad, Lombre, Ludicolo, Wingull, Pelliper, Surskit, Carvanha, Sharpedo, Wailmer, Wailord, Barboach, Whiscash, Corphish, Crawdaunt, Feebas, Milotic, Spheal, Walrein, Sealeo, Clamperl, Huntail, Gorebyss, Relicanth, Luvdisc, Kyogre

Generation 4: Piplup, Prinplup, Empoleon, Bibarel, Buizel, Floatzel, Shellos, Gastrodon, Finneon, Lumineon, Mantyke, Palkia, Phione, ***Manaphy!!***

Generation 5: Oshawott, Dewott, Samurott, Panpour, Simipour, Tympole, Palpitoad, Seismitoad, Basculin, Tirtouga, Carracosta, Ducklett, Swanna, Frillish, Jellicent, Alomomola, Keldeo

Generation 6:Froakie, Frogadier, Greninja, Binacle, Barbaracle, Skrelp, Clauncher, and Clawitzer

Water type moves:Aqua Jet, Aqua Ring, Aqua Tail, Brine, Bubble, Bubblebeam, Clamp, Crabhammer, Dive, Surf, Waterfall, Whirlpool, Hydro Cannon, Hydro Pump, Octazooka, Origin Pulse, Rain Dance, Razor Shell, Scald, Soak, Steam Eruption, Water Gun, Water Pledge, Water Pulse, Water Shuriken, Water Sport, Water Sprout, Withdraw

One ice type move is effective against water, Freeze Dry, although this is the only one.