You can catch a magikarp using an old rod in most bodies of water.
You can also buy one for 500 from the magikarp salesman in the Pokemon Center on Route 4.
You catch Magikarp on route 12.
Magikarp
catch a shining magikarp or shining gyrados
As long as you have the Old Rod, you can catch it in any body of water.
catch a magikarp and evolve it
In Pokemon platinum there is a pool in the resort area and you can sometimes find a lvl100 magikarp in the pool
tentacool and magikarp ... As you can also catch goldeen on emerald
the guy in the pool is CRAZY!! he's scared of a couple of magikarp! sorry guy's but that's right, the only thing you can catch is magikarp. lot's of magikarp! yep, the only good thing about it is that the magikarp range from level 1-100!! the pond should be called super-magikarp ' R ' US!! HA HA HA!!
catch a magikarp,goldeen,remoraid
You can't
magikarp
magikarp.....