It is a wild Pokemon, so no, it does not belong to a trainer. You can't catch other trainer's Pokemon.
If you are in battle with another trainer you cannot catch that Pokemon that belongs to them. But if you find out where that Pokemon's habitat is (by using the pokedex) then you can go and catch it with a poke ball, great ball, ultra ball etc...
The only way is to get a action replay card and use catch trainer's Pokemon when you fight your rival.
you need a cheat that can catch a trainer's Pokemon to have lapras. because there is a trainer that has a lapras.
you cant because you need to catch it.
Not without hacking.
No, there's no known glitch to catch another trainer's Pokémon.
to catch another trainers Pokemon on pearl you have to have an action replay system or some kind of flash card
you cannot catch a Pokemon that is already owned by another trainer. you can only catch wild ones.
after entering the code go to whatever trainer you want to battle and try to catch there Pokemon
you cannot catch a Pokemon without a ball...however you can get Pokemon through trades or from another trainer in the game
You cant catch another trainers Pokemon. However, if you find the same type of Pokemon in the wild you can catch it. Not even a master ball will catch another persons Pokemon.
You really can't catch a pokemon in a trainer battle; it belongs to somebody like your pokemon belong to you.
If it is a wild Pokémon, no, it will always catch it; the only instance in which it could fail is if you threw it at another Trainer's Pokémon (besides Shadow Pokémon).
It is a wild Pokemon, so no, it does not belong to a trainer. You can't catch other trainer's Pokemon.
If you are in battle with another trainer you cannot catch that Pokemon that belongs to them. But if you find out where that Pokemon's habitat is (by using the pokedex) then you can go and catch it with a poke ball, great ball, ultra ball etc...
there isn't a trainer you can catch them near the fuego inworks