Robertus saitoi

Weight

Not recorded

Length

Not recorded

Lifespan

Not recorded

Main food

Not recorded

Habitat

Not recorded

Young per litter or clutch

Not recorded

Conservation status

Not recorded

Countries on record

1 countrysrc for Countries on record

Robertus saitoi is listed for 1 country.

The same countries as a list

1. Japan

Why a country list is not a range map

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

1. kingdomAnimalia
2. phylumArthropoda
3. classArachnida
4. orderAraneae
5. familyTheridiidae
6. genusRobertus
7. SpeciesRobertus saitoi Yoshida, 1995

Catalogue of Life

CompareRobertus saitoi vs Common immaculate cobweaverRobertus saitoi vs Robertus alpinusRobertus saitoi vs Robertus arcticusRobertus saitoi vs Robertus arundineti

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  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• Environment Agency freshwater fish surveys (National Fish Populations Database) · OGL v3.0 · 2026-11-14
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• EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
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  Pagad, S., Genovesi, P., Carnevali, L., Schigel, D. & McGeoch, M.A. (2018) Introducing the Global Register of Introduced and Invasive Species. Scientific Data 5: 170202. https://doi.org/10.1038/sdata.2017.202. Country checklists published through GBIF by the IUCN SSC Invasive Species Specialist Group.
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  Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1
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  Logghe, G., Batsleer, F., Maes, D. et al. (2025) An in-depth dataset of northwestern European arthropod life histories and ecological traits. Biodiversity Data Journal 13: e146785. https://doi.org/10.3897/BDJ.13.e146785. Data: https://doi.org/10.5281/zenodo.13379714
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• Wikidata · CC0 1.0 · 2026-11-11
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@misc{robertus_saitoi_2026,
  title = {Robertus saitoi (Robertus saitoi)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/robertus-saitoi},
  note = {Data as of 2026-11-14}
}