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#4402 · 🕷️ spiders & kin

Dark Fishing Spider

Dolomedes tenebrosus

🕷️ Spiders & kin 📍 outside Europe
Dark Fishing Spider, photo 1 of 9
1/9 © Bert Harris · CC BY-NC 4.0

what is it?

Dolomedes tenebrosus or dark fishing spider is a fishing spider found in the USA and Canada.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 51,531iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 51,531 observations worldwide on iNaturalist.
  • Scientifically named by Nicholas Marcellus Hentz in 1844 (182 years ago).

fact sheet

English
Dark Fishing Spider
scientific name
Dolomedes tenebrosus
class
Arachnida
order
Araneae
family
Dolomedidae
sightings in NL
0
sightings worldwide
51,531
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1844 by Nicholas Marcellus Hentz

relatives· Dolomedidae

Sources: iNaturalist taxon 82117, Wikidata Q289663, GBIF 2150903, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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