On the route southwest from fortree city you can use your fishing rods to capture feebas its super rare to find though.
Route 119 (any rod)
Feebas is located on route 119 in the river
You can capture Feebas on Route 119 in Pokemon Ruby, this is dependant on the phrase in Dewford (that changes it's location) and is luck to find the correct tile that Feebas appears on when fishing.
you can get feebas on route 119 very rare
Yes you can but its really rare. You can find it on Route 119. Or you can always trade for it
feebas can be caught in any waters of route 199.
Only in ruby, sapphire and emerald at route 119
route 119, random 6 squares of the whole area, you must fish for it.
with a pokeball
sex with milotic
Feebas is in the area south from fortree city you must use a rod to catch it.