Kutarisa kuChihuahua, inogona kurondedzerwa sembwa inokurumidza kufamba, ine maitiro akanaka, mararamiro ane hupenyu, asingatyi zvachose. Ivo vanofamba zvakanyanya, vanoda kuziva, havaneti, uye vakasimba. Nehunyoro, Chihuahuas vane ushamwari kuvanhu nedzimwe mhuka, pasina zviratidzo zvehasha uye kutya. Hunhu hukasha kana hukasha hwakanyanya hunoonekwa sekutadza kwerudzi.
Zvinoenderana nerudzi rwemhando, mavara akasiyana anogoneka. Chihuahua merle color ine gakava uye haina kuzivikanwa pasi rose. Mhuka dzine ruvara urwu dzingasangana nematambudziko ekunzwa uye ekuona, kusanganisira kusanzwa kusvika kuzere, kuwedzera intraocular pressure, ametropia (blurring of the image on the retina), microphthalmos (duku duku reziso), coloboma (mwana akaremara), kukanganisa kwemapfupa, hurongwa hwekubereka, nemoyo.