You can't catch one in the wild. You have to breed a Wobbuffet, whose Egg will hatch into a Wynaut.
Chat with our AI personalities
You can't! Only in Ruby and Sapphire. Then you can migrate the Wynaut to Diamond and Pearl.
no only by breeding wobbufet
"Is there a Pokemon that has the ability shadow tag in Pokemon diamond?"Yes. The two Pokemon that have the ability shadow tag in ppokemon diamond are wynaut and wobbuffet.
neither of them is better, they are both the same, but in diamond, you catch dialga, and in pearl, you catch palkia, and you can catch different Pokemon in each game for example: you can catch this Pokemon in diamond, but not pearl but: you can catch this different Pokemon in pearl, but not diamond
You can catch makuhita in the fighting area in Pokemon diamond