Phidippus Audax with fangs
The average size of adults ranges from roughly 13–20 millimetres in length. They are typically black with a pattern of spots and striped on their abdomen and legs. Often these spots are orange-tinted in juveniles, turning white as the spider matures.
Phidippus audax is a common jumping spider of North America. It is commonly referred to as the daring jumping spider, or bold jumping spider.