The Find-a-Spider Guide

The Find-a-Spider Guide    The Find-a-Spider Guide    The Find-a-Spider Guide    The Find-a-Spider Guide
Find a spider by...     common name     location       species       family       webs and egg sacs     photos

Water spider

Fact Box
Species:
Dolomedes facetus
(ID by Dr. R. Raven, Qld. Mus.)
Family:
Pisauridae
Body length:
female: 21 mm
male: at least 10 mm
Habitat:
On the surface of still-water ponds; this spider has the ability to run on water surfaces and to form underwater retreats in large air bubbles, although some pisaurids make their webs in green leaves or small twigs of shrubs and may never have occasion to 'walk on water'
Toxicity:
The toxicity of the venom of this species is unknown but may cause mild illness in humans
Dolomedes facetus
Click to enlarge
Eye pattern
Click to enlarge
Another female
Click to enlarge
Underneath female
Click to enlarge
Immature male
Click to enlarge
Immature female
Click to enlarge
Leafy habitat

Spider(s) with a very similar appearance: Some cycloctenid species and wolf spiders such as Lycosa godeffroyi, although it is noteworthy that water spiders lack the pair of large eyes that characterise lycosids.


Email Ron Atkinson for more information.    Last updated 8 November 2017.