 The first breed standard cited the names Cane Corso, and mastino and cane da presa as synonyms to the Molosso.In subsequent years the new breed adopted only the Mastino Napoletano name and acquired different physical traits through the decades that separated it from its old synonyms.The Neapolitan Mastiff is large, massive and powerful, with a weight in the range and a height at the withers of The length of the body is about 15% greater than the height.