"Known for the random spots all over their body" Misleads to an Appaloosa or a Knabstrupper, to make it sound clearer you could say 'random patches' instead of spots.
Agree with the comment about spots instead of saying patches. But also, how is a miniature horse a "show pony?" You also should be consistent as to whether you require the word "horse" or "pony" afterward. I put Shetland in multiple times only to find out you required "pony" after it. You should either be consistent or enable both to be correct.