Sexual feelings or behaviors that may involve sexual partners that are not human, not consenting, or that involve suffering by one or both partners.

To diagnose an individual with a paraphilia, the psychologist or other diagnostician must confirm recurrent, intense, sexually arousing feelings, fantasies, or behaviors over a period of at least six months. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), it is not uncommon for an individual to have more than one paraphilia.

Bestiality

Bestiality is a term that describes sexual feelings or behaviors involving animals. Termed zoophilia by the fourth edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), this is a relatively uncommon disorder. The disorder does not specify an animal or category of animals; the person with zoophilia may focus sexual feelings on domesticated...