Spiders are highly adaptable creatures with impressive survival abilities, including enduring long periods without food. The duration a spider can survive without eating depends on its species, size, age, and environmental conditions.

On average, most spiders can survive without food for several weeks. Some species, like tarantulas, can go months or even over a year without eating, thanks to their slow metabolism. Smaller house spiders may last around one to two months without food, provided they have access to water.

Spiders rely on stored energy reserves and significantly reduce their activity levels when food is scarce. They enter a state of low metabolism, conserving energy until prey becomes available. Environmental factors such as temperature and humidity also play a role in their survival, with cooler conditions often prolonging their ability to go without food.

Despite their resilience, prolonged starvation weakens spiders, making them less effective hunters. While they can survive for extended periods without food, a consistent diet ensures their health, agility, and ability to reproduce.