What is what dog breed is bluey?

Bluey is a specific Australian Cattle Dog breed known for being intelligent, active, and strong-willed. The breed is also known as the Australian Heeler or Queensland Heeler due to their propensity for herding livestock. Bluey was a notable Australian Cattle Dog who lived for 29 years and is recorded as the oldest known dog in history. The breed is recognized for its distinctive blue coat with black or tan markings and their loyalty and protective nature towards their owners. They require regular exercise and mental stimulation to keep them happy and healthy.