bogdy wrote:

-you cant catch pets 20lvl higher than you
-there are some pets who cant be caught
-if the pet has lower hp its easier to catch
(im not sure about that please correct me if im wrong)

-you can't catch pets more than 5 lvl higher than you (without net, as has been said)
-there are some pets that can't be caught, correct
-the pet must have 50% or lower hp to be caught