TIER 2
River - Wartortle, Poliwirl, Slowbro, Seaking, Cronconaw, Marill, Floatzel

Loch - Lapras, Kabuto, Lombre, Whiscash, Swanna

Swamp - Omanyte, Quagsire, Marshtomp, Masquerain, Crawdaunt, Bibarel, Gastrodon, Simipour, Palpitoad

Estuary - Golduck, Slowking, Lumineon, Dewott, Tirtouga

Ocean (edge) - Cloyster, Kingler, Starmie, Pelipper

Ocean (diving) - Tentacruel, Seadra, Lanturn, Corsola, Octillery, Mantine, Sharpedo, Wailmer, Huntail, Gorebyss, Relicanth, Basculin, Jellicent, Alomomola
TIER 3
River - Blastoise, Poliwrath, Feraligatr

Loch - Gyarados, Kabutops, Ludicolo

Swamp - Omasar, Politoed, Swampert, Seismitoad

Estuary - Vaporeon, Azumarill, Milotic, Samurott

Ocean (edge) - Carracosta

Ocean (diving) - Kingdra, Wailord