The American Cocker Spaniel can make the perfect family pet and companion. Cocker spaniels are bred to be stable, calm and sweet pets. They should be loyal, loving and trustworthy  too. However as with all dog breeds, you may encounter a cocker spaniel that has been bred without concern for temperament. Occasionally, you will run across a cocker spaniel that is high strung, nervous or unpredictable. Like any dog, cocker spaniels need to be well socialized as puppies. When looking for any pure bred dog including the cocker spaniel, make sure that you check out all aspects of the individual animal. A good breeder will have carefully considered, size, temperament, health and confirmation. So good luck with you new cocker spaniel and make sure you train him properly in his pet carrier or crate.