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Meet 6-inch, 2.5-pound Lucy from New Jersey who Guinness recently named the world's shortest working dog. Beside being incredibly cute and tiny, this Yorkshire Terrier is also a therapy dog. Check out 11 more world record cats and dogs.
Big Splash, Most Expensive Dog
How much would you spend for a dog? A Chinese multimillionaire paid 10 million Chinese yuan (that's $1,513,417!) for Big Splash, an 11-month-old red Tibetan Mastiff. Big Splash doesn't eat run-of-the-mill kibble, according to Guinness; this pampered pup dines on chicken and beef. (This is not a picture of the spendy dog.)