How can spiders go so long without food (weeks) when their body is so small? Where do they store all their energy?

Question

How can spiders go so long without food (weeks) when their body is so small? Where do they store all their energy?

In: 51

Answer 1

Does it help that spiders don’t have lots of muscle? They move basically using hydrolics right? So they don’t need to expend energy maintaining muscle fibers to be able to move etc?