Some spiders in this family wait for prey at the water's edge. Their front legs rest on the surface, sensing vibrations. They can grab tadpoles or fish swimming past, or race across the water to seize insects that fall in. Some Pisaurids form underwater retreats in large air bubbles, others make their webs in green leaves of shrubs.
Dendrolycosa icadia (L. Koch, 1876)
This spider body length 9mm was observed on a poptplant in a garden in Wynnum in late June 2009, in a silken retreat amongst twigs at the most... 
Dolomedes sp. Australian Water Spider
Many spiders named by Koch and others as Dolomedes australianus were transferred to Megadolomedes by Davies and Raven in 1980. Dolomedes sp have...
Megadolomedes australianus Giant Water Spider
Megadolomedes australianus is found along the edges of creeks and ponds in the Enoggera catchment. They are shades of brown with a flecked or mottled...
Perenethis venusta A Water Spider
The female has a maximum body length of about 12 mm, the male, about 11 mm. It is found on foliage near water. It is a fast running spider like most...