Spanish Water Dog (SWD) - A medium-sized, curly-coated dog. The SWD is a multi-purpose farm dog whose primary function was herding. Secondarily, it was also used for hunting and as an assistant to fishermen. Many SWDs enjoy swimming and diving. The SWD has a distinctively single, curly coat. http://www.akc.org/breeds/spanish_water_dog/index.cfm