Where to catch Whiscash

In Paldea (Scarlet & Violet)

• Glaseado Mountain — Walk
• North Province (Area One) — Walk
• South Province (Area Six) — Walk
• Tagtree Thicket — Walk
• West Province (Area Three) — Walk

In Kitakami (Scarlet & Violet – The Teal Mask)

• Fellhorn Gorge — Walk
• Kitakami Wilds — Walk
• Oni Mountain — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Meteor Falls — Super Rod

Whiscash — full Pokédex entry