Are you using the correct fishing rod?
if you want, this is a list of all the poliwag locations.
Poliwags can be found in the following places: Route 6, 22, 28, 30, 31, 35, 43, 44, 45, Blackthorn City, Cerulean Cave, Cliff's Edge Gate, Ecruteak City, Ilex Forest, Mt. Moon, Mt. Silver, Ruins of Alph, Violet City, Viridian City
How to change your username
How to add a user avatar
Why was my post hidden?
Flags vs Downvotes
Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.