Here's why:
* Short legs: Their small size and short legs make it difficult for them to propel themselves through water effectively.
* Fear of water: Many Toy Fox Terriers are afraid of water.
* No natural buoyancy: They lack the natural buoyancy of some breeds like Labradors or Retrievers.
It's important to never force a Toy Fox Terrier to swim. If you plan to be near water with your dog, always keep them on a leash or in a life jacket for their safety.