Camel spiders in a lighter build: solifuges of the Middle East and North Africa, smaller than the famous giants, with the same outsized jaws, the same relentless metabolism, and the same honest problem in captivity.
The keeping note repeats because the biology does: solifuges have a poor captive record. They run hot, feed ceaselessly, stress readily, and arrive as wild-caught adults with unknown time remaining. Deep sand, heat, constant food, and calibrated expectations are the program. No venom; the jaws are everything.
Regional collection supplies rare singles, nobody breeds them, and prices form on scarcity plus spectacle. The genus trades to keepers buying one season of the desert's fastest mouth, on the animal's terms, which is the only arrangement solifuges have ever offered.