Specific spider species possess venomous bites dangerous to humans.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that specific spider species possess venomous bites dangerous to humans?

Yes. Specific spider species, such as funnel-web spiders and black widows, possess venomous bites that can cause severe neurotoxic effects and medical emergencies in humans.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked 4 Aug 2026

The analysis

The retrieved papers provide strong, specific evidence that certain spider groups (such as Latrodectus, Steatoda, and Atrax) possess potent neurotoxic venoms capable of causing significant clinical symptoms or danger to humans. No papers contradict this empirical fact.

Evidence for · 3

Venomics Approach Reveals a High Proportion of Lactrodectus-Like Toxins in the Venom of the Noble False Widow Spider Steatoda nobilis

2020

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Dunbar, J. P., Fort, A., Redureau, D., Sulpice, R., Dugon, M., & Quinton, L. (2020). Venomics Approach Reveals a High Proportion of Lactrodectus-Like Toxins in the Venom of the Noble False Widow Spider Steatoda nobilis. doi.org. https://doi.org/10.3390/toxins12060402

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More for · 2

The world’s most venomous spider is a species complex: systematics of the Sydney funnel-web spider (Atracidae: Atrax robustus)

2025

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Loria, S. F., Frank, S., Dupérré, N., Smith, H. M., Jones, B., Buzatto, B., & Harms, D. (2025). The world’s most venomous spider is a species complex: systematics of the Sydney funnel-web spider (Atracidae: Atrax robustus). doi.org. https://doi.org/10.1186/s12862-024-02332-0

Medically significant spiders (Arachnida: Araneae) and hymenopterans (Insecta: Hymenoptera) of Albania: A comprehensive review of ecology and venom toxicity

2025

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Vrenozi, B. & Lugaj, A. (2025). Medically significant spiders (Arachnida: Araneae) and hymenopterans (Insecta: Hymenoptera) of Albania: A comprehensive review of ecology and venom toxicity. doi.org. https://doi.org/10.5604/01.3001.0054.9620

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What does the evidence say?

Receipt History

first checked04 Aug 2026

judged → SUPPORTED · 8404 Aug 2026

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