No person may own or harbor or have custodial care of any of the following types of vicious dogs:
A. Any dog with a known propensity, tendency or disposition to attack unprovoked, to cause injury or to otherwise endanger the safety of human beings or domestic animals or livestock, or
B. Any dog which is used primarily or in part for the purpose of fighting or any dog trained for fighting, or
C. Any dog which has been trained as an attack dog, except dogs used by law enforcement.
D. The American pit bull terrier breed of dog; or
E. The American Staffordshire terrier breed of dog; or
F. Any dog which has the appearance and characteristics of being predominantly of the breeds of the American pit bull terrier or American Staffordshire terrier. (Ord. 440-09, 2009)