An rarrabe shi da girmansa, babban kai, gajeren gashi a cikin iyakantaccen launuka, kuma koyaushe yana nuna baƙar fata, Mastiff an san shi da ɗabi'arsa mai taushi da ƙauna. Za'a iya gano asalin karnukan zamani zuwa farkon ƙarni na 19, amma nau'in zamani ya daidaita a cikin 1880s kuma an inganta shi tun daga lokacin. Bayan wani lokaci na raguwa mai ƙarfi, Mastiff ya haɓaka shahararsa a duniya. A cikin tarihinsa Mastiff ya ba da gudummawa ga ci gaban nau'ikan iri, wasu da aka fi sani da karnukan nau'in mastiff, ko kuma rikice-rikice, kamar dai Mastiff babban ko karamin kare ne?
babban