People with severe allergies should spend time with a Spanish Water Dog before making one part of their family to see if they have an allergic reaction. Genetically, the Cantabrian Water dog is most similar to its cousin – the Spanish Water dog. Perhaps It’s why they both have the same curly coat that’s hypoallergenic and water-resistant. Hypoallergenic dog breeds are canine breeds said to be safer than other breeds for allergy sufferers, although allergists believe that “all safe breed theories are … Of the best hypoallergenic dogs, Spanish Water Dogs have one of the most unique coats. The Spanish Water Dog has a single coat, meaning there’s little or no undercoat. It is not recommended that you brush or clip the coat of this breed – it is preferred natural. Spanish Water Dog. He doesn’t shed heavily, although he does lose hairs, just as people do. The single, curly coat often leads people to believe that the SWD is hypoallergenic, but all dogs produce allergens to some extent in their dander, saliva and urine. While the Spanish Water Dog is a low dander hypo-allergenic dog, there is no such thing as a non-allergenic dog. Some allergy sufferers are also allergic to … Dogs for allergy sufferers. Allergy to dogs. The Spanish water dog is hypoallergenic. These special dogs were originally bred to be assistants to seaside fishermen. The Cantabrian is a landrace breed from northern Spain. The Spanish Water Dog or Perro de Agua Español is a breed of dog developed by the shepherds in Spain as a multi-purpose herder who was also used sometimes as a gundog, as well as an assistant to fishermen. These dogs come in a variety of colors including solid black, grown, white, and beige or any combination of one of these colors with white. The Spanish Water Dog has a curly, hypoallergenic coat which, when allowed to grow, forms cords.