The article is devoted to the consideration of the animal concept of the fox in the minds of representatives of the Russian linguoculture. Of particular interest is the study of the concept in the folklore picture of the world. Using the example of Russian folk and Soviet fairy tales, the animal concept is analyzed and interpreted as a cultural and symbolic phenomenon functioning in the illustrative material in the form of a lexeme. The article is aimed at decoding the national and cultural conceptual image of the fox and at identifying the spectrum of ethno-cultural symbolic signs. Signs are objectified at the level of the compatibility of words and sentences. The analysis of folklore sources has shown that the symbolic component of the animalistic concept-image лиса (fox) is very extensive: cunning, slyness, treachery, deception, resourcefulness, sneakiness, dexterity, ingenuity, caution, patience, cheating, insight, hypocrisy, greed, prudence, flattery, commercialism, manipulation, inventiveness, attentiveness, intelligence, selfishness, pretense, theft, seduction, sense of smell, purposefulness. The revealed structural features reflect the inner world of a person, his/her moral and mental characteristics. It is important that symbolic signs attached to the image of лиса (fox) have not changed over time. The image of лиса (fox) in the Russian-speaking consciousness is steadfastly preserved as contemptuous, but at the same time instructive.