Country of OriginUnited States
Nicknames and Other NamesJack Russell Terrier and
Chihuahua mix
Scientific NameCanis lupus familiaris
Breed TypeCrossbred
GroupCompanion Dog
Terrier Group
Bred ForFamily companion
SizeSmall to medium-sized
Recognized ByACHC, DDKC, IDCR
Life Span13-18 years
Ideal Weight8-18 pounds (male and female)
Ideal Height15 inches on average (male and female)
Fur TypeShort, dense
Common ColorsBlack, Light Brown, Chocolate, White,
Brown, Black and Tan, Tricolor, Golden
AvailabilityModerately available
Suitable for ApartmentsYes
Used in World WarNo
Most Similar ToChihuahua
Jack Russell Terrier

Jack Chi is a designer dog breed that is the outcome of the Jack Russell Terrier and the Chihuahua mix. The designer breed is a new trend in the world that is started some years back. The designer breed trend started from the United States, so it is also believed that Jack Chi was originated in the United States.

The appearance of Jack Chi is the mix of both breeds. It is small to medium in size with a short neck and dense coat. It can either get an elongated muzzle like that of Jack Russell or a thin and short like that of the Chihuahua. The appearance depends on the amount of gene that they share to form a Jack Chi.

Jack Russell and Chihuahua sitting
Jack Russell and Chihuahua sitting.
Image Source: The Happy Puppy Site

Is Jack Chi Child-Friendly

Jack Chi does not do well with small kids and can show aggression towards them if not raised together. Although, they do great with older children who can handle them and be gentle with them. Therefore, proper supervision is necessary when they are interacting with small children.

Jack Chi laying down with a baby girl
Jack Chi laying down with a baby girl.
Image Source: Instagram- @guamexican408

Temperament, Behavior, and Personality

Temperament: The temperament of the Jack Chi is active, fun, and loving. The number of genes that the Jack Chi parents share determine the temperament of it. It tends to be the boss of the house, so proper training is needed at an early age.

Behavior: The Jack Chi can be aggressive towards strangers and can even bite them if not socialized properly at an early age. As an active dog, they need regular exercise for some time to keep itself fit and occupied. If it does not get the required exercise, it can become destructive.

Personality: The personality of Jack Chi is confident, fun, and lively. They can be a great companion in a family with active people. They love to play and run here and there, so they need a yard where they can satisfy their needs.


Training Jack Chi needs a confident and patient dog owner who can train them with consistency. If early leadership is not developed on them, they will start to take themselves as a pack leader. They tend to respond well to positive methods of training, so reward them with delicious treats and lots of vocal praises. It will encourage them and motivate them to be focused on the training.


  • Jack Chi is a hybrid resulting from the Jack Russell Terrier and the Chihuahua.
  • It is believed to be developed in the United States.

Health Issues

Jack Chi is a hybrid breed that can face some genetic health condition like following.

Glaucoma: The inflammation of the interior of your dog’s eyes that causes inadequate of the fluid drainage is called Glaucoma. Your dog can even lose its vision. Consult a vet for proper treatment of the disease.

Patellar Luxation: The conditions were the kneecap of your dog is dislocated is called patellar luxation. This condition is usually developed in 4 months of age. It is not a completely curable disease but through surgery, it can be somewhat controlled.


The Jack Chi comes in the combination of the following colors:

  • Fawn
  • Cream
  • Chocolate
  • Black
  • White
  • bi-color
  • tri-color
  • Brown


Jack Chi puppies
Jack Chi puppies.
Image Source: DogAppy

Size: The average height of the Jack Chi is between 10-12 inches and the average weight is between 8-18 pounds.

Cost: The average cost of the Jack Chi is between $200-$800 based on the breeders quality.

Similar Breeds to Jack Chi

Visit Doglime for more information about dog breeds.