wooper is in Ruin vally on Island Six
in route 212 in pastoria city
Yes, You can catch Groudon in Pokemon Emerald.
You can't catch one in Pokemon Emerald.
No you cannot catch Entei in Pokemon Emerald.
wooper is in Ruin vally on Island Six
It evolves into Quagsireat level 20
You can catch a shuckle, wooper, heracross, phampy, and I think swirlfish or whatever that spike puff fish is named. Regular dodrio, pikachu, natu, xatu, magicarp not that it matters, goldeen, etc.
in route 212 in pastoria city
Yes, You can catch Groudon in Pokemon Emerald.
You can't catch one 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!
Try looking around route 32
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.
You can't catch or obtain other trainers Pokemon in emerald.