Identifying mouse spiders

Female Red-headed Mouse Spider
(Missulena occatoria)

Male Eastern Mouse Spider
(Missulena bradleyi)
- Mouse spiders have high, bulbous heads and jaws
- The carapace is smooth and shiny
- The eyes are spread across the front of the carapace, not closely grouped
- The spinnerets are short, the last segment domed and button-like
- Male spiders have long slender pedipalps
- Male spiders have no mating spurs on the legs
- Males of some species have distinctive colour markings but others are black overall
The following key features distinguish the mouse spiders from other large black spiders:
- bulbous head and jaws
- shiny carapace
- eyes spread across front of carapace
- short spinnerets