- Black Widow spiders are black with a red hourglass marks on their bodies. Shy and nocturnal, they bite only if provoked, causing serious reactions, including death.
- Brown spiders are tiny with dark brown markings resembling a violin. They prefer seclusion, but will bite when provoked, causing serious sores and, in some cases, amputation or death.
- Funnel-web spiders spin webs ending in a funnel shape. The web acts as a sticky net which catches prey.
- Green Lynx spiders have long legs and are found living on cacti. They catch prey by pouncing on it.
- Giant Crab spiders are brown and have two-inch leg spans. They move sideways and climb easily. Their bite is painful but not dangerous.
- The Arizona Blond Tarantula is a three- to four-inch, reddish-brown spider that burrows. Its weapon is venomous abdominal hairs that embed in the victim.
