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

- Bishop, S.C. (1924). A revision of the Pisauridae of the United States. New York St. Mus. Bull. 252: 1-140.
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- Sierwald, P. (1990). Morphology and homologous features in the male palpal organ in Pisauridae and other spider families, with notes on the taxonomy of Pisauridae (Arachnida: Araneae). Nemouria (Occas. Pap. Delaware Mus. nat. Hist.) 35: 1-59.
- 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.
- Sierwald, P. & J.A. Coddington. (1988). Functional aspects of the male palpal organ in Dolomedes tenebrosus, with notes on the mating behavior (Araneae, Pisauridae). J. Arachnol. 16: 262-265.

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