in safari zone, but you will need a mach bike and maybe some pokeblocks or it will flee very easily.
I believe a Pokemon Trainer can catch a Rhyhorn in the Safari.
you have to evolve a ryhorn from the safari zone
i beleve 42
Safari Zone(Encounter Rate is common)
I think you have to migrate it. you can catch it at Stark Mountain.
You can catch him from the following places:Victory Road Floors 1, 2 and 3Safari ZonePokewalker on the Volcano Path
You can't catch one in Pokemon Emerald.
Yes, You can catch Groudon in Pokemon Emerald.
No you cannot catch Entei in Pokemon Emerald.
You can't catch a Bellsprot in Pokemon Emerald. You trade it from Pokemon Leafgreen!
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
Cressilia is a 4th generation Pokemon so you can't catch it in Pokemon Emerald.