You use a WATER STONE on Lombre to get Ludicolo.
Lombre is one of the pokemon that do not evolve by level he evolves by using a water stone.
Lombre can evolve at any level because it doesn't evolve according to level, you need to use a Water Stone in order to evolve.
All Lombre(s) evolve into Ludicolo when they have a water stone.
You dont 'find' Lombre within the game Ruby. You can trade it from Sapphire or Emerald, or evolve a Lotad at level 14 which you also get from Sapphire and Emerald.
It is uncommon at Route 114 or you can evolve it from a Lotad at level 14.
yes
Lombre evovles with a Water Stone
Lotad evolves at level 14. LOTAD --lv14-->LOMBRE --water stone--> LUDICOLO
Evolve a lotad then use a water stone on lombre.
50
Staryu and Lombre are the only ones available in emerald to my recollection.
It evolves at level 15 into Lombre.