... The most commonly reported undesirable behaviors among clinical samples of dogs include aggression, destructiveness, fearfulness, excessive barking, and inappropriate elimination (Vacalopoulos and Anderson, 1993;Wells and Hepper, 2000;Landsberg et al., 2003;Kim et al., 2009). These behavioral issues in dogs may depend on a number of their characteristics (e.g., age, sex, breed, size, and neuter status), as well as some environmental factors including owners' characteristics (e.g., age, sex, level of experience and education, extent of interaction with dogs, diet, personality, and area of residence), and time and dog source of adoption (Podberscek and Serpell, 1997;Landsberg et al., 2003;Overall, 2005;Yalcin and Batmaz, 2007;Messam et al., 2008;Perez-Guisado and Munoz-Serrano, 2009;Khoshnegah et al., 2011;Martinez et al., 2011;Col et al., 2016;Cannas et al., 2018). Owing to the importance of problematic behaviors in dogs, numerous articles and research findings have been published worldwide including Iran; however, no similar research has been already conducted on the prevalence and relationships of such behavioral issues in the southwest of Iran (Beaver, 1994;Bradshaw et al., 2002;Hsu and Serpell, 2003;Bowen, 2008;Khoshnegah et al., 2011;Mashhadi Rafiei et al., 2011;Menor-Campos et al., 2011;Tamimi et al., 2013). ...