well the strongest Pokemon you can catch is raqazza a legendary dragon Pokemon
The best Pokemon to catch in emerald is rayquaza. It has great speed and awesome strength. If you teach it the right it might the strongest Pokemon.
a masterball cause it is the most powerfull pokeball with 100% catch rate to any pokemon
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!
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.
You can't catch or obtain other trainers Pokemon in emerald.
Cressilia is a 4th generation Pokemon so you can't catch it in Pokemon Emerald.
No you cannot catch Celebi in Pokemon Emerald.
you cant. You can only catch it in Pokemon emerald, but, you cant catch latias in emerald.
The strongest Pokemon on Pokemon emerald would probley be raquaza