Akwai nau'o'i daban-daban na asalin waɗannan karnuka. Wasu sun ce su kakanni ne na wolf na Mexico na dā.
Akwai nau'in da suka samo asali daga foxes na Afirka saboda sun yi kama da Chihuahuas a girma da siffar kunnuwa. An kuma yi imanin cewa ƙasar Chihuahua ita ce Masar. Amma babban sigar ta ce waɗannan karnuka sun samo asali tun kafin zamaninmu, kimanin shekaru 1500.
#1 Wannan nau'in yana da alaƙa sosai ga masu shi, kuma baya jure wa dogon rashi.
Idan kuna tafiya mai nisa, kamar hutu, ya fi kyau ku ɗauki dabbar ku tare da ku. Bugu da ƙari, ƙananan girmansa yana ba shi damar.