As a cat lover, you've seen play aggression in cats, and you have the scratches to prove it. You may sometimes wonder: Is my cat too aggressive?
Cat play looks like aggression. After all, cats use teeth and claws to subdue toys and playmates — and your ankles. Sometimes innocent roughhousing crosses the line into aggression. Fun and games for them can turn dangerous, even when your cat means no harm. Learn how to identify different types of aggression in cats and how to keep their sharp parts from causing injury.
How Cats Play
Kittens play to learn how to interact with their world, other cats and people. They also play to practice skills needed in adulthood, such as hunting. Activity keeps cats of all ages fit, and play relieves stress and burns energy.
Kittens play at 4 weeks old. Techniques include object manipulation and social games with other cats and humans. Here are some common ways that cats play
- Stalking: Cats lurk in hiding spots and crouch close to the ground, ready to leap out and ambush. They often tread with their back paws to "rev up" for the leap attack.
- Pouncing: Cats leap forward to capture an object (or your toes) with their front paws. They may fall on one side, grasping with their front paws while "bunny kicking" their rear paws to subdue the toy.
- Swatting and scooping: A hole prompts paw exploration to fish out hidden treasure. Cats also indulge in paw-patting gravity experiments to knock objects off tables.
- Tip-toe shuffle: Their fur is fluffed and their tail curled downward, exaggerating fearful or aggressive behavior. They slick back their ears, arch their back and use a sideways approach to people, pets or toys.
- Play fighting: Cats chase, wrestle and bite with inhibited claws and teeth.
Social play peaks at about 3 months of age. Cats aged 4 to 9 months focus more on hunting games. Adult cats continue to play but often with less intensity.

Is My Cat Aggressive?
While dogs vocalize during play, cats stay silent. Even silent kitten play gets too rough when babies haven't learned how to pull their punches. So, is my cat aggressive? With older cats, when silent cat play turns noisy, you won't have to ask.
According to the ASPCA, "Aggression is threatening or harmful behavior directed toward a person, another cat or other animals." You may see one or a combination of the following:
- Swatting or striking
- Sideways-facing or flattened ears
- Stiff-legged posture
- Arched back
- Fluffed fur and tail
Aggressive vocalizations include:
- Spitting, like a feline gasp of surprise
- Hissing — often a fearful, defensive expression
- Growling or snarling, an offensive warning of an imminent attack
As you can see, the lines can be blurry between normal play and aggression. Pay attention to vocal cues to determine when play has crossed the line.
