The Black Mamba, Africa's deadliest snake, has potent venom and can strike multiple times at high speed.
The earthy-colored widow spider, a member of the Theridiidae family, is widespread and abundant in southern California.
The Brazilian wandering spider is a large, fast spider with distinct red jaws, different from harmless tarantulas.
The sac spider creates silk sacs for shelter and can be found both indoors and outdoors.
Wolf spiders have a large, hairy body, long legs, and distinctive eye arrangement for quick running.
The L. tredecimguttatus spider has a potent bite, but fatalities are rare as they are nonaggressive.
The red-legged widow spider, with its red cephalothorax and legs, inhabits palmetto-overwhelmed scrublands in Florida.
Female Redback Spiders: Dark with orange-red stripe, hourglass spot, white markings on mid-region, pea-sized body, thin legs.