You can catch grimer in the one fire cave that leads to lavaridge town.
at level 38
Pokemon ruby's version IS Pokemon ruby.
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
Grimmer is a sludge Pokemon that is not found in Shinnoh. It can be traded into Shinnoh after you have the National Dex. Here is the link to the Pokemon website that I use all the time, this page is the one on Grimmer: http://www.psypokes.com/dex/psydex/088/general If you have any more questions please feel free to email me at countrygurl0687@hotmail.com. Label the subject as Pokemon question other wise it will be marked as junk. Hope this helps.
ruby
All The Shiney Pokemon You Can Get In Pokemon Ruby Are All The Pokemon You Can Get in Ruby Any Pokemon Can Be Shiney Even Starters and Legendaries. So There Are 200 Shiney Pokemon You Can Get In Pokemon Ruby.
You can trade from Pokemon Ruby to another Pokemon Ruby using a link cable.
you can't get the pokeradar in Pokemon ruby
Pokemon from the 3rd gen (hoenn region) are in ruby
you can't, only ruby Pokemon can go to diamod. but diamond Pokemon can't go to ruby
yes it is on Pokemon ruby