The Find-a-Spider Guide

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Water spider

Fact Box
Species:
Megadolomedes australianus
(QM)
(Older books may call this spider a Dolomedes species)
Family:
Pisauridae
Body length:
female: at least 25 mm
male: at least 20 mm
Habitat:
This spider is often seen running on the surface of still-water ponds. It can lay eggs underwater in large air bubbles. Some specimens live in an irregular web just above the water level. Surprisingly, specimens are occasionally found in moist habitats not next to surface water
Toxicity:
Possibly can cause mild illness in humans
Megadolomedes australianus
Click to enlarge
A closer view
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Another female
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Another female
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Another view

The main characteristic that distinguishes this species from most of the other Australian pisaurids is the presence of very long, tapering legs.

Spider(s) with a very similar appearance: None.


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