Dolomedes tenebrosus or dark fishing spider is a fishing spider found in the USA and Canada.
 It is able to bite humans but will run from people. In most cases, the bite is no more severe than a bee or wasp sting.

Female bodies are 15–26 mm; males are 7–13 mm. Legs range from 50–90 mm. The spider is a pale to dark brown colour with several chevron markers and lighter stripes around its legs. It is similar to D. scriptus. The legs are banded with brown/black annulations on the femora and reddish-brown/black annulations on the tibia.

Description

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- Sierwald, P. (1989). Morphology and ontogeny of female copulatory organs in American Pisauridae, with special reference to homologous features (Arachnida: Araneae). Smithson. Contrib. Zool. 484: 1-24.
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Is the dark Fishing Spider nocturnal?

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