The heaviest dog ever recorded was Zorba, an English mastiff from the United Kingdom that weighed in at 343 pounds. He measured 8.25 feet in length from nose to tail and stood 35 inches tall.Continue Reading
Zorba was listed in the 1989 Guinness Book of Records, but Guinness stopped recording records for large and heavy pets in 2000.
As of November 2014, a Great Dane named Giant George holds the record for the tallest dog and the tallest living dog ever. He stands a full 43 inches tall and lives in Tucson, Arizona.
The largest wild dog ever recorded was the Epicyon haydeni, or Hayden's bone-crushing dog. This now-extinct dog lived during the mid-late Miocene epoch in North America and weighed an estimated 374.8 pounds.Learn more about Dogs
The Russian toy is the smallest breed of dog on average, and ranges in weight from 3 to 6 pounds and 8 to 10 inches in height. Toy fox terriers are a close seconds, with an average weight between 3 1/2 to 9 pounds.Full Answer >
The dog with the strongest bite is the kangal, a breed of mastiff native to Turkey that is bred to protect flocks of sheep and has a bite strength measured at 743 pounds per square inch. Other mastiffs also show impressive bite strength at 556 pounds per square inch.Full Answer >
Also known as the Ainu, the Hokkaido is a thin, muscular canine originating in Japan and thought to be one of the oldest breeds in the world. The species bears a thick coat of lighter fur, usually fawn, grey or white in color.Full Answer >
The world's biggest breed of dog is the Great Dane. As of 2015, a Great Dane named Zeus, who stands 44 inches high at the shoulders, holds the world record for largest dog.Full Answer >