Whip spiders or tailless whip scorpions

[lenslen]

what do these spiders eat?

[New Forester]

They seem to be predators, like most other arachnids: http://www.earthlife.net/chelicerata/whipscop.html http://www.key-net.net/users/swb/pet_arthropod/vinegaroon.ht m However, they are not spiders, but a separate branch of the arachnids.

[New Forester]

Actually, those ones were tailed. Here's one about tail-less ones: http://www.desertmuseum.org/books/nhsd_whipscorpions.html