Navigate Select ESC Close

Cave in Europe Is Full of 110,000 Social Spiders Living in a Web City

2025-11-27 Science & Technology
94.1k
6.9k
1.3k
Anton Petrov
Anton Petrov
1.6m subscribers

The Emergence and Mechanics of Social Spiders

Discover how rare social spiders evolve complex cooperation, ranging from building massive European cave cities to developing specialized brains in Australia.

Short Summary

  • Researchers discovered a 110,000-spider colony—the world’s largest web—thriving in a dark, sulfur-rich European cave due to unique resource abundance.
  • Social behavior in spiders is quasisocial, meaning they share space and labor without specialized castes, driven here by zero competition [06:02].
  • Studies on Australian social spiders reveal cooperation relies on specialized brain region growth and evolutionary trade-offs, like producing less venom.
  • The research challenges the notion that increased overall brain size guarantees higher social intelligence; structure specialization matters most.

This analysis explores two astonishing cases of spider societies: a massive, nutrient-driven colony in Europe and a neurological investigation into Australian social hunters, providing insights into how solitary species adapt group living strategies.

Unlock all features

FREE: Get instant access to 10 AI summaries, chats, or transcripts per day.

Description

Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads) Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3QFIrFX Hello and welcome! My name is Anton and in this video, we will talk about a strange spider city in Europe Links: https://subtbiol.pensoft.net/article/162344/ https://onlinelibrary.wiley.com/doi/epdf/10.1111/1749-4877.13033 #spiders #science #biology 0:00 Spiders! 1:24 Social spiders! 3:30 Cave in Europe and the largest web ever 4:55 What's happening here? 6:30 Why this works 7:50 Genetic differences 8:50 Social spiders in Australia - brain differences 12:10 What this means and conclusions for social intelligence Enjoy and please subscribe Bitcoin/Ethereum to spare? Donate them here to help this channel grow! bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4 or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF Thank you to all Patreon supporters of this channel Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships Credit: Urak et al. 2025, Subterranean Biology (CC BY 4.0 Yathin S Krishnappa CC BY-SA 3.0 https://en.wikipedia.org/wiki/Social_spider#/media/File:2007-social-spider-1.jpg Kore CC BY-SA 3.0 https://en.wikipedia.org/wiki/Social_spider#/media/File:Spider_community_nest_in_Kruger_National_Park_02.JPG Bernard DUPONT CC BY SA 2.0 https://en.wikipedia.org/wiki/Anelosimus_eximius#/media/File:Social_Spiders_(Anelosimus_eximius)_in_communal_web_..._(26250754708).jpg Matthew Lindsey CC BY 4.0 https://en.wikipedia.org/wiki/Tegenaria_domestica#/media/File:Tegenaria_domestica_532556523.jpg Julien Tchilinguirian CC BY 4.0 https://en.wikipedia.org/wiki/Prinerigone#/media/File:Prinerigone_vagans_344823854.jpg Bryce McQuillan CC BY SA 2.0 https://en.wikipedia.org/wiki/Delena_cancerides#/media/File:Huntsman-Spider-Delena-cancerides.jpg Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses

Top Comments (10)

@MrMartinSchou 2025-11-27

110,000 spiders in one place sounds bad, but just imagine the amount of insects that have to be in that place in order to support that large a population.

2.2k 92 replies
@WynnofThule 2025-11-27

It's the World Wide Web

2.1k 31 replies
@Vorpal_Wit 2025-11-28

"Spiders, hunting together as an army", is not a phrase I really ever want to hear again.

1.0k 26 replies
@riverland8809 2025-11-27

Spider evolving from hunter-gatherer to city builders is not what I expected from these creatures

793 34 replies
@QuickM8tey 2025-11-27

I was NOT expecting that Anton lore drop LMAO, how terrifying

249 7 replies
@Mephistahpheles 2025-11-28

It's ComicCon for spiders: a whole bunch of not-so-social beings all together for the same reason: just not each other.

240 2 replies
@calculateddeclination5534 2025-11-29

Must've took a very patient individual to count 110,000 spiders.

156 9 replies
@whatdamath 2025-11-27

Happy thanksgiving everyone and guess what, Black Friday sale! BLACKFRIDAY15 coupon gives you 15% off on all of the merch https://whatdamath.creator-spring.com/

93 17 replies
@dummekuh1212 2025-11-29

I just have to appreciate the calm nature of your videos for a minute. No hectic cuts, no annoying music, no screaming or anything. Just an interesting video about siders. Thanks for you work man!

58 2 replies
@skiphouston7392 2025-11-29

Have seen Huntsman spiders living in social conditions. I lived in Australia when I was younger and we went to a relatives house one day. Was winter time and it was decided to have the open fire in the living room going. So me and some others went out and brought in a bunch of logs and put them in the fireplace. A few minutes after the fire was lit and taking hold, hundreds of Huntsman spiders came scrambling out of the wood and out to where we all sitting. Mayhem and panic ensued! They must have all been living inside the logs as a colony.

49 2 replies

Unlock the Data Inside
Turn Videos into Knowledge

  • Get FREE 10/day: transcripts, summaries, chats
  • Chat with videos, export text & PDF
  • $1 free API credit for RAG, chatbots & research

Free forever plan • All features unlocked

App screenshot