Diamond & Pearl: You can catch a Poliwhirl with a super rod on route 225. or route 225 Surfing. or route 227. <(Surfing). and route 228 while surfing.
you go to cerulean city and talk to an old man. he asks you to trade his jynx (nicknamed zynx) for a poliwhirl. you can catch them in veridian city using a super rod. the old man is in the house to the left of the Pokemon center. You can also go to 4 island and use super rod to catch poliwhirl right before you enter ice fall cave or when you are in it.
You can Trade with an old man for a poliwhirl by winning cerulean gym with the poliwhirl in you party. You can also trade for one at the trade center.
Use super rod on the route by Evergreen City.
You can't catch Poliwrath; you can only catch Poliwhirl and then evolve it. Here are the places you can catch Poliwhirl in FireRed: Routes 6, 22, 23, and 25, Four Island, Viridian City, Cape Brink, Cerulean Cave, Icefall Cave, and Ruin Valley (using the Super Rod).
I think you can use a good rod not sure about the old rod super rod is the best
super rod. but u might catch it with a good rod
Use Good or Super Rod and you can catch it at route 9 or 10
Use a super rod in the water in viridian city.
Use a super rod in the water at viridian city.
No but in violet city you can catch it's evolution poliwhirl with the old rod
Super rod use it in viridian city.
good rod or super rod next to bills house.You can also catch a Poliwhirl there.Poliwag is not in leafgreen you get horsea instead via the good rod and super rod. To get poliwag trade one from firered.
get a poliwhirl and use a water stone
you can catch a poliwag and evolve it into poliwhirl, and then use a water stone to evolve the poliwhirl into a poliwrath
you go to cerulean city and talk to an old man. he asks you to trade his jynx (nicknamed zynx) for a poliwhirl. you can catch them in veridian city using a super rod. the old man is in the house to the left of the Pokemon center. You can also go to 4 island and use super rod to catch poliwhirl right before you enter ice fall cave or when you are in it.
Using the good rod or super rod in vermilion city's small body of water will every now and then get you poliwag or even poliwhirl.
You have to use a good or super rod in route 6 and the other routes I can't remember lol