#1 – Dogue de Bordeaux Dogue de Bordeauxs, or French Mastiffs, are perhaps the shortest living dog breed in existence with a life expectancy of 5-8 years. What they lack in longevity, however, they make up for in their wonderful temperaments and easy care.
The French mastiff has one of the shortest lifespans of all dog breeds in the world, with some living only five years, with others making it to the top of the range at eight years.
Most diseases that affect the Great Danes are genetic. While the Great Dane may be at high risk of these diseases, that does not mean that every dog will experience them. Heart Disease. The Great Dane sports the nickname the Heartbreak breed because it is prone to a heart condition called dilated cardiomyopathy.
The Chihuahua is commonly regarded as the smallest dog breed in the world. The smallest dog in history was a Chihuahua named Miracle Milly. She was 3.8 inches tall, weighing approximately one pound.
Scooby-Doo is a Great Dane. The character was designed by Iwao Takamoto, an animator at Hanna-Barbera. According to the American Kennel Club, Great Danes are "the mighty 'Apollo of Dogs,'" which is very unlike the silly and cowardly Scooby-Doo.
Bluey, an Australian cattle dog, entered the Guinness Book of World Records by living to the ripe old age of 29 years and 5 months, setting the record for oldest dog ever. The record was set in 1939 and still stands, but many Australian Cattle Dogs have tried to beat it by living good long lives of their own.
At 30 years and 266 days old, a Portuguese dog named Bobi was crowned the world's oldest dog ever on February 1, breaking an almost century-old record, per Guinness World Records (GWR). The previous titleholder, an Australian cattle dog named Bluey, was born in 1910 and lived for 29 years and 5 months.
Lithobates catesbeianus is an animal that cannot sleep.
#1: Mayfly — The Shortest Lifespan of Any Known Animal
These insects are the shortest living animals on the planet, as the adult lifespan of a fly from this species is only 24 hours.
Using this formula, a 10-year old dog is the equivalent of a 53-year old human. Using the simple 7:1 ratio, this same 10-year old dog would be the equivalent of a 70-year old human.
Smaller dogs often live over 15 to 16 years. Whereas the medium and large-sized dogs typically live for 10 to 13 years, and some giant dog breeds such as mastiffs often live only for 7 to 8 years. So, the average lifespan for a dog is about 15 years.
The aging profile of dogs varies according to their adult size (often determined by their breed): smaller dogs often live over 15–16 years (sometimes longer than 20 years), medium and large size dogs typically 10 to 20 years, and some giant dog breeds such as mastiffs, often only 7 to 8 years.
From millions in real estate to jet-setting around the globe, the world's richest dog is rolling in the dough. Gunther VI is a German Shepard with a net worth of $400 million.
But, while neither Disney nor Farmer identifies a specific breed, one consensus answer is more widely accepted than all the others among Disney fans and dog breed experts. Goofy is a black and tan coonhound.
Clifford is a Giant Vizsla. Although Clifford is over 10 feet tall and weighs A LOT (we don't know exactly how much because he broke the scale!), the average Vizsla is only about 2 feet tall and between 45 and 65 pounds.
#1: Chihuahua
Chihuahuas are the cheapest dog breed because of how affordable it is to take care of them.