cat and spider

Do Cats Eat Spiders?

Cats are known for their strong predatory instincts, which often lead them to chase and play with small, moving creatures. This natural behavior brings up an intriguing question for many cat owners: Do cats typically eat spiders? Understanding this aspect of feline behavior is important for ensuring the safety and well-being of our furry companions.

Cats’ Hunting Behavior

Cats, both domestic and wild, have an innate hunting instinct. This instinct compels them to stalk, pounce on, and capture small prey. In a domestic setting, this behavior is often observed when cats chase toys, insects, or small creatures like spiders. The movement of spiders, with their quick darting and climbing abilities, can trigger a cat’s predatory response, making them a target for these playful and curious animals.

Spiders as Prey for Cats

It’s not uncommon for cats to hunt and interact with spiders. The allure of a spider for a cat lies in its size and movement, which mimic those of natural prey. Cats may bat at, paw, or capture spiders, often as part of their play behavior. While some cats may lose interest after catching a spider, others may go on to eat their catch. This behavior is a reflection of their predatory instincts, where consuming prey is a natural outcome. However, not all cats will eat spiders, and some may simply enjoy the thrill of the chase without the intention of eating their catch.

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Potential Risks of Eating Spiders

While many spiders are harmless, there are potential risks when cats decide to eat them. The primary concern is the possibility of poisoning from venomous spiders. Although such instances are rare, certain spider species can be harmful or even lethal to cats if consumed. Symptoms of spider venom poisoning can vary, but they may include pain, swelling, muscle tremors, and in severe cases, neurological problems.

Another risk involves the physical danger of choking or digestive issues. Spiders, especially larger ones, can pose a choking hazard to cats. Additionally, the exoskeleton of spiders can be difficult to digest and may cause gastrointestinal upset or blockages. It’s important for cat owners to be aware of these risks and to monitor their pets for any signs of distress after they have interacted with or eaten a spider.

Observations of Cats with Spiders

Anecdotal evidence and observations suggest that interactions between cats and spiders are quite common. Cats often approach spiders out of curiosity and engage in a form of play that mimics hunting. In some cases, these encounters end with the cat eating the spider, while in other instances, the cat may lose interest once the spider stops moving. It is less common for cats to actively seek out spiders as a food source, as domestic cats typically do not rely on insects or arachnids for their nutritional needs. The frequency and nature of these interactions can vary greatly depending on the individual cat’s personality and instinctual behaviors.

Preventative Measures for Cat Owners

For cat owners concerned about the potential risks of their cats eating spiders, there are several preventative measures that can be taken. Firstly, reducing the number of spiders in the home through regular cleaning and pest control can limit these encounters. Be cautious with the use of chemical pest control, as these can also be harmful to cats.

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If living in an area with venomous spiders, it’s particularly important to keep these spiders out of the home. This might include sealing cracks and openings in the house and checking outdoor items before bringing them inside. Providing plenty of engaging toys and activities can also redirect a cat’s hunting instincts away from spiders and other small creatures.

Regular veterinary check-ups are crucial, and cat owners should be aware of the signs of spider bites or digestive issues. If a cat exhibits unusual behavior, pain, or illness after eating a spider, immediate veterinary attention is advised.


Cats may eat spiders as part of their natural hunting behavior, but this is typically more about play and instinct than nutrition. While most spiders pose little risk to cats, there are potential dangers, especially with venomous species. By taking preventative measures and being vigilant about their cat’s health and environment, cat owners can ensure that their feline friends can safely satisfy their curiosity and playfulness. Understanding this aspect of cat behavior helps in providing a safe and stimulating environment for these beloved pets.

About the author

Victoria Nelson

Victoria Nelson is a passionate gardener with over a decade of experience in horticulture and sustainable gardening practices. With a degree in Horticulture, she has a deep understanding of plants, garden design, and eco-friendly gardening techniques. Victoria aims to inspire and educate gardeners of all skill levels through her engaging articles, offering practical advice drawn from her own experiences. She believes in creating beautiful, biodiverse gardens that support local wildlife. When not writing or gardening, Victoria enjoys exploring new gardens and connecting with the gardening community. Her enthusiasm for gardening is infectious, making her a cherished source of knowledge and inspiration.

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