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Black American Shorthairs and Bombays can be surprisingly difficult to tell apart. Both can have short black fur, sturdy bodies, and friendly personalities. From across the room, they may look like the same type of cat.
The eyes are a good place to start, but they aren’t the whole story. Face shape, coat texture, body proportions, and personality can help you spot the difference.
The resemblance between these breeds isn’t accidental. The Bombay was developed from Burmese and American Shorthair cats, while the American Shorthair has a much older history as a working cat in North America.
Their breeding goals were quite different. American Shorthairs were developed for strength, balance, and working ability. The Bombay was created with a much more specific look in mind: a friendly domestic cat with the appearance of a miniature black panther.
Cats traveled to North America with early settlers, including cats valued for their ability to keep rodents away from food, homes, farms, and ships.
Over generations, these working cats became hardy and adaptable. The modern American Shorthair was later established as a recognized breed, retaining the strong, balanced build that reflects its working background. The CFA describes the breed as medium–large, muscular, and built for power, endurance, and agility.
Black is just one of the colors found in the breed. A black American Shorthair has a dense, coal-black coat and gold eyes, according to the CFA standard.
The Bombay has a much more deliberate origin. American breeder Nikki Horner developed the breed in the 1960s with a specific goal: she wanted a domestic cat that looked like a small black panther.
The breed was created from Burmese and American Shorthair cats. The result was a medium-sized, muscular cat with a rounded head, large, rounded eyes, and a short black coat that lies close to the body. Its eyes range from gold to copper.
That history explains the resemblance between the two breeds. They share some ancestry, but selective breeding gave the Bombay its distinctive look.
A black coat can make the two breeds look alike, but the details start to separate them once you look closely.
Bombays have large, rounded eyes that can range from gold to copper. Deep copper is particularly associated with the breed’s classic appearance.
For a black American Shorthair, the CFA standard calls for gold eyes. That makes a black cat with rich copper eyes more suggestive of a Bombay, especially when its head and body also match the breed’s typical features.
The Bombay’s coat is short, fine, and close-lying. It should be solid black, including the nose leather and paw pads. The overall effect is sleek and glossy.
The American Shorthair has a short, thick coat with a harder texture. Its dense fur was suited to a working cat that needed protection from cold, moisture, and minor skin injuries.
Color gives you another easy distinction. American Shorthairs come in a wide range of colors and patterns, while the Bombay is known for its solid black coat.
An American Shorthair has a substantial, powerful build. The body is broad and muscular, with medium-length legs and a solid chest. The breed standard puts a strong emphasis on balance rather than exaggerated features.
Bombays are muscular too, but their proportions give them a different appearance. The head is rounded, the eyes are large and wide-set, and the body is medium-sized and well-balanced. Despite their size, Bombays can feel surprisingly heavy when picked up.
Put the breeds next to each other, and the contrast becomes easier to see. The American Shorthair usually looks like the sturdier cat, while the Bombay has a smoother, more unified outline.
The physical differences are useful when identifying a breed, but temperament matters much more once you’re actually living with one.
American Shorthairs generally enjoy playing without needing someone to keep them busy all day. A cat might chase a toy around the room for a while, then decide it’s time for a nap.
Bombays tend to get involved in whatever is happening around the house. Interactive toys, games, and simple training can keep them occupied, especially when their owners join in.
Neither breed needs endless exercise. The bigger difference is how much company they seek. A Bombay may come looking for you when it wants attention or something to do, while an American Shorthair is usually more comfortable finding its own entertainment.
Bombays are known for being friendly, alert, and outgoing. One may follow you from room to room, sit beside your desk, or climb onto your lap when you’re relaxing.
American Shorthairs can be affectionate without needing quite as much attention. Instead of climbing onto you, one might settle nearby and keep you company from the other side of the sofa.
That can make a difference in a busy home. If you want a cat that likes being involved in daily life, a Bombay may be a good fit. An American Shorthair may be a better fit for someone seeking an affectionate companion who is also content to spend time alone.
Both breeds have relatively easy coats, but the American Shorthair generally benefits from more frequent brushing than the Bombay.
The CFA recommends daily brushing for American Shorthairs, particularly because they shed their undercoat during the spring and have another lighter shedding period in the fall. A slicker brush or grooming mitt is usually enough.
Bombays need much less grooming. Their short, close-lying coats are simple to care for, and occasional brushing helps remove loose hair and keep the coat looking its best.
The rest of the routine is straightforward for either breed. Keep the claws trimmed, check the ears occasionally, and stay on top of dental care. Grooming sessions are also a convenient time to notice changes in the skin or coat.
Both breeds need a complete diet suited to their age, size, and activity level. Portion control matters, too. Even a playful cat can gain weight if it consistently eats more calories than it burns.
Indoor play can provide much-needed movement. Wand toys, balls, climbing furniture, and food puzzles give cats something to do besides sleep.
Bombays often enjoy games that involve their owners. American Shorthairs can be just as playful, but many are happy to switch between playtime and doing their own thing.
A black coat gives you plenty of naming options. Shadow, Midnight, Onyx, Panther, Pepper, and Coal all fit a dark-coated cat. Bagheera is another fun choice if you like literary references.
There’s no rule saying the name has to match the cat, though. A mischievous kitten could become Biscuit, while a sleepy adult might end up with a completely unrelated name.
No. Bombays aren’t hypoallergenic, and no cat is completely free of allergens.
Their short coats may be easier for some people to manage than long fur, but cat allergens also come from the skin and saliva. If allergies are a concern, spend time around the individual cat before bringing it home.
American Shorthairs are medium to large cats with solid, muscular bodies. Males are generally more massive than females, although individual cats vary.
The breed standard focuses on strength, balance, and proportion rather than extreme size.
A black American Shorthair should have gold eyes under the CFA standard. Copper eyes are more closely associated with the Bombay, whose accepted eye colors range from gold to copper.
So if you’re looking at a black cat with striking copper eyes, a rounded head, and a sleek coat, it may look more like a Bombay.
Either breed can do well in a family home when properly socialized and handled gently.
American Shorthairs enjoy having some independence. Bombays are more likely to seek interaction, so they can be a better choice for households where someone has plenty of time for play and companionship.
The individual cat still matters. A quiet Bombay or a particularly people-focused American Shorthair is entirely possible.
Bombays can be fairly vocal, which isn’t surprising given their Burmese background.
Some enjoy “talking” to their owners when they want food, attention, or play. Others are quieter. If you’re choosing between individual cats, meeting them in person will tell you more than the breed name alone.
Both breeds can live for many years with good nutrition, routine veterinary care, dental care, and a safe home.
There isn’t a guaranteed lifespan for either breed. Keeping a cat at a healthy weight and paying attention to changes in appetite, behavior, or energy can help you catch potential problems early.
Look at the face and overall build first.
A Bombay has a rounded head, large round eyes, a sleek solid-black coat, and a muscular, medium-sized body. Under the CFA standard, a black American Shorthair has a sturdier build, a dense coat, and gold eyes.
The coat is another easy giveaway. Bombays are solid black, while American Shorthairs come in many colors and patterns.
A black American Shorthair and a Bombay can look remarkably similar until you start paying attention to the details.
The Bombay has a more distinctive panther-like look: a sleek black coat, a rounded head, large gold-to-copper eyes, and a compact, muscular body. The black American Shorthair looks more substantial, with a dense coat and gold eyes, under the CFA standard.
Their personalities can separate them too. Bombays tend to be more involved with their people, while American Shorthairs are usually comfortable with some independent time.
And remember that a black cat isn’t automatically of either breed. Many black cats are domestic shorthairs or mixed-breed cats. If there’s no pedigree, you can describe what a cat looks like, but you can’t confidently call it a Bombay or American Shorthair based on appearance alone.
If you’re choosing a new companion, health, temperament, and how well the cat fits your household matter much more than the breed label.
