There are 41 species that fall under the Felidae – or cat – family, according to the International Society for Endangered Cats.
No matter its size, your cat probably acts like it's an apex predator or the alpha of your home. Even the smallest domestic cat breed – the Singapura – might become rambunctious or territorial.
On the opposite side of the scale, there are several “big cat” species known for their size. But there's no need to go on a safari ride, the largest domestic cat breed could be roaming around your living room.
What is the biggest cat in the world?
Tigers are the largest cat species, according to the Smithsonian's National Zoo and Conservation Biology Institute. These large felines share nearly all but 4.4% of their DNA with domestic cats, National Geographic reports.