Goth-hai breeds are orcs of a higher social status than Uruklata breeds. They are generally bigger, smarter and stronger than other breeds.
It is either possible to be born as a Goth-Hai, such as Mazauk-Hai, Dûra-Hai and Shira-Hai. With other races it depends from the breeding background of the father if you are born as a Goth-Hai or from Uruklata stock. In some exeptional cases, Uruklata individuals can rise in status if they peform something extraordinary and are deemed worthy. Though their offspring will most likely still remain Uruklata.
Born a Goth-Hai, it is possible to lose the Goth-Hai status as a punishment temporary or untill death strikes. In latter case also the offspring of the demoted uruk will then be shifted to the Uruklata.
Goth-Hai will have easier access to higher ranking military and social ranks.
The Goth-Hai breeds commonly found in Gundabad are - Dûra-Hai and Shira-Hai