How Long Spider Can Live Without Food. Spiders in Captivity Live Much Longer. In an experiment a spider wasnt fed but provided with water only for longer than two years.
Some sources claim that some tarantula spiders can survive up to two years without eating. Generally you should try to feed your spider an insect at least every 2-3 days although most can probably survive at least a week without eating. Among other reasons regular food and water and the lack of predators play a big role.
Plus if you have a solitary spider as a pet the chances of one eating the other is of course greatly diminished.
Typically bigger spiders can survive longer without food compared to smaller spiders. All black widow spiders are venomous. Spiders can live without food for months on end without perishing. Some Ts voluntarily go monthsyears without eating as adults.
