Using the Old Rod in Pokemon Ruby (or any Pokemon game for that matter) will get you a Magikarp as that is the only Pokemon an Old Rod can catch.
You can catch feebas everywhere and occasionally barboach i am unsure where to catch magicarp but there is a way
Super rod.
Use the Old Rod in any body of water press A when it says you have a bite and you will hook magikarp.
I am looking to join Wailmer to my team.But, no you can't catch it with an old rod
Using the Old Rod in Pokemon Ruby (or any Pokemon game for that matter) will get you a Magikarp as that is the only Pokemon an Old Rod can catch.
I think you can use a good rod not sure about the old rod super rod is the best
You can catch feebas everywhere and occasionally barboach i am unsure where to catch magicarp but there is a way
Super rod.
You can catch Magikarp in any body of water in Pokemon ruby. It is very common and you only need to fish with an old or good rod.
lots of things
wailmer and sharpedo
you can catch a barboach in Pokemon ruby by fishing on the bridge to the west of Fallarbor town wit ha good or super rod
I know in emerald you can at Mossdeep with a super rod.
Use the Old Rod in any body of water press A when it says you have a bite and you will hook magikarp.
Old Rod.
I am looking to join Wailmer to my team.But, no you can't catch it with an old rod