The reasons why you shouldn't keep a cat that catches snakes might be: Cats have a strong hunting instinct, and catching snakes is an instinctive behavior for them. If your domestic cat catches snakes, it might be because the owner isn't meeting the cat's hunting needs, or the cat is in heat and needs to release its energy. If a cat frequently catches snakes, it might accidentally injure its owner or family members during play, posing a safety hazard.

Cats catching snakes can harm themselves, as not all snakes are non-venomous. If a cat is bitten by a venomous snake, it may experience poisoning symptoms or even be life-threatening. Therefore, to ensure the safety of family members and the health of your cat, it is not recommended that domestic cats catch snakes. If your cat does attempt to catch a snake, it is advisable to stop it immediately and provide appropriate education and training to guide it in developing good behavioral habits.