Do male dogs spray when scared? Asked By: Queenie Cruickshank. Date created: Sat, May 1, 2021 7:29 PM. Best answers. Dogs also "express" their anal sacs when they are scared, which is perfectly normal, if a bit odorous. Anal gland secretions have a distinct smell that many people describe as fishy. If your dog smells like fish, chances are there may be something going on with her anal glands ...