From an article "The catch? There really is no such thing as a teacup pig. So-called teacups are actually potbellied pigs who are either underfed so that their growth is stunted, or who are sold under false pretenses."

https://www.nationalgeographic.com/animals/article/140930-animals-culture-science-miniature-pigs-breeders-sanctuaries

Humans suck