IMastiff, ekwabizwa ngokuba yiMastiff yesiNgesi, sisigebenga esithambileyo esihle. Inzala yakhe idlule kwimbali enesiphithiphithi, kwaye yenye yezona ntlobo zezinja ezindala kwihlabathi. Azizange zisetyenziswe njengendawo yokuzonwabisa kukhuphiswano lokuphalazwa kwegazi okumanyumnyezi nxamnye namanye amarhamncwa amakhulu kodwa zazikwasetyenziswa kumadabi achasene noluntu. Ngexesha lokuhamba kwabo, badibana nezinja zasekuhlaleni, kwaye kukholelwa ukuba ungukhokho waseSt. Bernards, Rottweilers, Dogue de Bordeaux. phakathi kwabanye abaninzi. Waqala ukuza eMelika emva kweMfazwe Yehlabathi II, kwaye ukususela ngoko ukuthandwa kwakhe kuye kwanda. Ngo-2019, iKlabhu yeKennel yaseMelika yayibeka kwindawo yama-29 eyona nzala idumileyo yezinja eMelika.
Apha ngezantsi sikhethe i-19 yeyona mixube ithandekayo, eminye yayo idume kakhulu kwaye eminye ekusenokwenzeka ukuba awuzange uve ngayo.