Route 133.
Horsea can be found in either Whirl Islands or Seafoam Islands.
You can get Horsea in Dark Cave or Whirl Islands. You'll need to Surf on water to get it.
In HeartGold or SoulSilver: Catch a wild Seadra, Dratini, Dragonite, Horsea, Dragonair, or Kingra holding the item. Or successfully find and catch a Horsea in the Winner's Path PokeWalker route. In Diamond, Pearl, and Platinum: Catch a wild Dratini, Dragonair, Seadra, or Horsea holding the item. In FireRed and LeafGreen: Find one on the Water Path. In Ruby, Sapphire, and Emerald: Catch a wild Horsea or Bagon holding the item.
you can catch horsea in ocean current with fishing.
yes
to catch a horsea one must sail through water and if you've seen one just go to your pokedex and check where it is most foundBY: DHARMVIR123
You can capture horsea at the safari zone look for the water on the western portion of the safari zone use the good or super rod to hook up horsea.
Catch a horsea or seadra and put the item on seadra (evolve horsea) trade it with someone else and seadra will evolve into kingdra
Route 226 with the Good Rod.
Dratini-Buy From Celadon City Gambling Place,Safari Zone Kingdra-Catch Horsea Level-up,Catch Seadra(Level-up from Horsea) and Trade
Catch a Horsea or Bagon. Sometimes you get lucky and they are carrying one. You need to catch either a Bagon or Horsea that is holding one. If you can find one on the ground, I've never seen it.
By fishing or surfing in the whirl island caves