Aggressive behavior a special diet may help. Hide some of the toys and then reintroduce them that should keep the kitty from getting bored. A wand is a good toy for you to play with your cat and it's also a good exercise for the cat. Cats also love catnip. Aggression can be related to a threat or attack. Sometimes misguided play with the owner can result in a showing of dominance and fear. If the cat normally is not aggressive take the cat to the veterinarian for a checkup.
Professional Pet Sitting Services offered in the Upper to Mid-Pinellas County Area