Lmao!! I can't believe he would tell you that! If what he had wasn't a mainland but would get that big, then it was a dwarf. Chances are though, it was a mainland/dwarf cross if he knew that little about them.

A true SD male will not exceed 5-5 1/2 ft. Females slightly larger. Honey islands maybe a foot more per gender.

That guy was probably given the wrong info by someone and it just kept getting passed down. That's how bad info gets around.