Two small nostrils stand between their distant, wide open eyes. (mariowiki.com)
Furthermore, they often have very small nostrils that, while extremely cute, do not move air effectively (stenotic nares). (mainstreetveterinary.com)
There will be jaw deformities, which can lead to dental disease and potential problems with eating and drinking; there are usually small nostrils and a soft palate which is too long, which can lead to severe breathing problems; the tear ducts can not follow their natural path and drain properly into the nose, so the eyes run constantly and cause tear - staining on the face and sometimes secondary sores. (icatcare.org)