Are Polydactyl Cats a Separate Breed?

CatChannel veterinary expert Arnold Plotnick, DVM, explains polydactyly and some of its history.

By Arnold Plotnick, DVM | Posted: July 10, 2009, 3 a.m. EDT

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Q: Can you tell me if six-toed cats are a rarity, or is there a breed?

A: Polydactyly (extra toes) is somewhat common in cats. My cat, Mittens, is a polydactyl cat. Her rear feet have one extra toe. Her front feet have the usual five, but her thumbs are gigantic. I confess that it was her freaky feet that attracted me to her in the first place. 

Polydactyl cats are not a separate breed. Historically, however, the original unregistered Maine Coon cats had a high incidence of polydactylism — around 40 percent! It has been written that the extra toes evolved as a “snowshoe foot” to help Maine Coons walk in the snow, and local folk tales claimed that these cats used their big mitts to catch live fish right out of the streams, taking them home to feed their owners. These stories are charming, however, there is no evidence that polydactylism confers any natural selective advantage to affected cats. Breed standards required a normal foot configuration, and did not allow polydactyly in Maine Coons, and so the trait was deliberately bred out of this breed. In the Netherlands and Belgium, there is currently a move to restore the polydactyl form of the breed.

Although polydactylism is alluring, breeding cats deliberately for polydactylism is controversial. Some cat enthusiasts fear that unscrupulous breeders would try to produce cats with excessive and disabling numbers of toes on each paw. Fortunately, polydactyl genetics doesn’t work this way; you can only fit so many toes on a cat’s foot. Even so, a good compromise would be to write breed standards to define the maximum number of toes allowed, to discourage such attempts.

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Reader Comments

emily    anthon, IA

6/2/2013 5:39:48 PM

actually my cat i just got today has seven toes on each of his feet it is not common. having it on all feet is rare

m    Lake City, FL

12/12/2012 11:33:44 PM

Thanks for the intelligent and interesting article!

Christine    Boston, MA

10/28/2012 4:55:59 PM

I myself have a polydactyl cat. She is 7 years old and has an extra digit on her two front paws, and a limp inactive extra digit on her two rear paws. That I know of her parents were not Maine Coon cats, but tiger cats, or short hair domestic. It is possible that somewhere in her ancestry was a Maine Coon. I must say she has a similar body build.

Shirley    Tucson, AZ

8/1/2012 3:51:21 PM

Thank you, CC Editor for your comments. It is reprehensible what this "Rev Ron" is doing and I feel sorry for all the cats. And putting a bobcat in the mix?! Isn't this illegal, even in KY?

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