Njengoba i-Tosa izwana kakhulu nezingane, iphelele njengenja yomndeni. Uhlangana nabantu angabazi ngokugodla nokunganaki, ezigcina kude futhi enaka njalo. Uma leli banga lishoda kancane, amanye amaTosa ayakhononda, kuyilapho amanye ewayeka athule.
Ukubhekana nezinye izinja kunzima. Akhombisa ukuziphatha okubusayo, ikakhulukazi kwabesilisa. Isimo sikhululekile kakhudlwana kwabesilisa nabesifazane abangenawo ama-neutered.
Njengezinja eziningi, ukuthi uxhumana kanjani nezinye izilwane ezifuywayo kuncike esimweni. Uma ezinye izinhlobo zezilwane sezikhona kakade ekhaya, amathuba okuthi i-Tosa izozamukela makhulu uma kuqhathaniswa.
Naphezu kobukhulu bayo, i-Tosa idinga ukuzivocavoca okuningi ngakho ayibafanele abantu abadala.