The Poitevin, known as the Chien de Haut-Poitou until 1957, is a breed of dog used in hunting as a scenthound, from the province of Poitou.
 This predominantly pack hound was created in the 17th century specifically to hunt wolves.
The Cantabrian Water Dog (Spanish: perro de agua cantábrico ) is a landrace breed of dog developed in the coast of Cantabria, northern Spain, as an assistant to fishermen.
 The breed was classified and recognized by the Breeds Committee of the Spanish Ministry of Environment on 22 March 2011.
The Wetterhoun (FCI No.221, translated into English as the Frisian Water Dog) is a breed of dog traditionally used as a hunting dog for hunting small mammals and waterfowl in the province of Fryslan in the Netherlands.
 The name of the dog comes from the West Frisian "Wetterhûn" meaning "water dog."
 Plural of Wetterhoun is Wetterhounen in Dutch.
 The breed may also be called the "Otterhoun" (not to be confused with the Otterhound) or "Dutch Spaniel", although it is not a Spaniel-type dog.
The Spanish Water Dog (perro de agua español ) breed dates back several hundred years and has its origins most likely in Turkey from where it was imported into Spain as a general purpose sheepdog and guard.
 It is also used sometimes as a gundog, and is skilled at retrieval from water.
 The SWD has strong genetic links to other ancient water breeds such as the Portuguese Water Dog, the French Barbet and the Irish Water Spaniel.
The Tweed Water Spaniel, or Tweed Spaniel, is a breed of dog extinct since the 19th century.
 It is best known for being involved in the early development of the modern Curly Coated Retriever and Golden Retriever breeds of dogs.
 They were described as a generally brown athletic dogs from the area around Berwick-upon-Tweed near the River Tweed and close to the Scottish Borders.
 A type of water dog, the breed was not well known outside the local area.
 This breed may have been created by crossing local water dogs with imported St. John's water dog, another breed which is also now extinct.
A breed group is a categorization of related breeds of animal by an overseer organization, used to organize the showing of animals.
 In dogs, kennel clubs define the "Breed Groups" and decide which dog breeds are to be included in each breed group.
 The Fédération Cynologique Internationale breed groups are used to organize dogs for international competition.
 Breed groups often have the names of, and are loosely based on, ancestral dog types of modern dog breeds.
The poodle is a group of formal dog breeds, the Standard Poodle, Miniature Poodle and Toy Poodle.
 The origins of the poodles are still discussed with a dispute over whether the poodle descends from the old French Barbet breed or from Germany as a type of water dog.
Vulnerable Native Breeds are a group of dog breeds originating in the United Kingdom and Ireland, and identified by The Kennel Club (KC) as having annual registration numbers of 300 puppies or fewer.
 The need for such a list was first identified in June 2003, with research conducted by the KC to identify the extent of the vulnerability and viability of each breed.
 It was a joint project, with the KC working with the British and Irish Native Breeds Trust, later to be known simply as the Native Dog Breeds Trust.
 The breeds on the list have been promoted at events such as Discover Dogs and Crufts, and by asking that owners of these breeds mate their dogs rather than having them spayed.
Tugou (土狗, pinyin: "tǔ gǒu"), literally means Native Dog in Mandarin Chinese, is the general name for several dog breeds originated from China and still abundantly exists across the country today.
 Tugou includes the most popular Chinese dog breed - the Chinese Field Dog (, pinyin: "zhōng huá tián yuán quǎn"), Chinese Chongqing Dog, Xiasi Dog, and several other native dog breeds distributed across China.
 They are roughly 45–50 cm tall at the shoulder.
The Retriever, Flushing Dog and Water Dog Group is a designation used only by the Fédération Cynologique Internationale for a group of dog breeds consisting of Retrievers, Flushing Dogs and Water Dogs.

Question: Are both dog breeds, Poitevin and Cantabrian Water Dog, used to hunt wolves?
Answer: no