manx

Cat Breed That Doesn't Have a Tail: The Manx, Japanese Bobtail, and Bobtail Genetics Compared

Most tailless cats are not tailless. They have spinal deformities. The Manx, Japanese Bobtail, and American Bobtail carry three different genetic mutations. Only one is healthy.

The Manx Mutation: Why Taillessness Is a Spinal Deformity, Not a Trait

The Manx mutation deletes the tail but rewrites the spine. Learn how a single dominant gene causes lethal spinal defects, Manx syndrome, and why breeding for the perfect rump kills more kittens than it saves.

The Manx Cat's Tailless Mystery: The Genetic Mutation That Killed Its Own Breed

The Manx cat's taillessness is a lethal genetic mutation. The breed survived only because breeders learned to manage the spinal defects it causes. Here is the biology behind the breed's signature rump.