The length of time a spider can survive without food varies significantly by species. Some small spiders may be able to survive for a few days to a week without food, while larger spiders or those adapted to harsh environments may be able to survive for several months without eating.
For instance, the common house spider may live without food for roughly a month. However, species like desert tarantulas can withstand periods of food scarcity lasting several months due to their adapted biology and environment.
It’s also worth noting that spiders, similar to other arthropods, have a different metabolism compared to mammals. Their metabolic rate is not as high, and therefore they can survive longer without food. However, access to water may still be necessary for their survival.
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