You ccan not catch a wild Toxicroak to catch a Crogunk it is at route 8 but only when it is a swarm
Try the Great Marsh, in Pastoria City, after you get your Nat.Dex , You can even catch Toxicroak there.
Just round it Just round it
wild croagunk or toxicroak
sorry but you can not get it that's all i know maybe you can
to catch zapdos in pokemon black you have to have every legendary pokemon
Toxicroak is a Poison and Fighting type pokemon.
You dont catch it in pokemon black you have to evolve it into bisharp
You cannot catch Rayquaza in-game in Pokemon Black.
In Pokemon black you catch RESHIRAM and TORNADUS In Pokemon white you catch ZEKROM and THUNDERUS Sources : myself
Yes you can catch Reshiram in Pokemon black and you can catch zekrom in Pokemon white hope it helped.
You cannot catch Thundurus in Pokemon Black, he is exclusive to Pokemon White.
You can't catch it in Pokemon Black. You'll need to trade for it from Pokemon White.