Jumping spiders are carnivores and primarily eat insects and other small invertebrates such as flies, mosquitoes, moths, crickets, gnats, aphids, grasshoppers, and beetles.

This comprises the main part of their diet.

Though not common, jumping spiders will occasionally eat other, usually smaller, spiders if they happen to catch them.

How Long Do Jumping Spiders Live Without Food

Most jumping spiders can live between 1-3 weeks without food as long as they have access to water and are kept under appropriately cool conditions.

Younger jumping spiders can survive longer, as little as a couple weeks old they can go without food for 2-3 weeks. Adults can go 1-2 weeks typically.

Some species are hardier than others when it comes to starvation. Larger jumping spider species don’t last as long as smaller ones.

Cooler temperatures that put them in a state of deeper inactivity will allow them to survive longer without food. Warmer active conditions shorten how long they can go unfed.

Jumping spiders that have built up higher fat reserves from regular feedings previously can survive longer during starvation than leaner spiders.

Access to water helps prolong how long they can survive without food. Lack of both food and water severely limits their capability to endure.

How long can jumping spiders survive without food?

Jumping spiders can survive 1-3 weeks without food on average. Younger spiders and smaller species can sometimes survive up to a month. Good hydration and cool conditions help prolong how long they survive without eating.

How often do jumping spiders need to drink water?

Jumping spiders need access to a water source at least every 2-3 days. They can’t survive long without the ability to replenish fluids, especially when not eating.

How long do jumping spiders live in your house?

The typical lifespan of most jumping spiders kept as household pets is 6 months up to 1 year. With excellent care that meets all their needs, some have been known to live around 2 years.

Do jumping spiders eat dead insects?

Yes, jumping spiders can eat dead insects, they are not shy about scavenging and will eat insects and other small invertebrates they find already dead. This supplements their diet from live prey they actively hunt.