Uploaded April 2026 | Updated September 2026, 3 weeks ago
The widow spiders are among the world’s most venomous arachnids, but there’s FAR
more to their story than just hourglass marks and venomous bites. As we descend to the
deepest layers of the black widow iceberg, we’re going to discover the secrets of their
biochemistry, the 35 known species of these venomous spiders, and how they’ve used
some of the most insane evolution to conquer every continent except Antarctica.
Music in this video:
Dark Blood – Jimmy Svensson
Dark Fog – Kevin MacLeod
Impulse – DJ Backscratch
In Love with Emi – Fabien Fustinoni
Lifes Journey Begins – idokay
Memento – Nobou
Odd Numbers – Curtis Cole
Particles - Nobou
Strange Connection – Nobou
Sources
1. Wright, B. M. O. G., C. D. Wright, C. L. Sole, et al. 2019.
2. Grishin, E. V. 1998.
3. Holz, George G., and Joel F. Habener. 1998.
4. Golobinek, Rok, Matjaž Gregorič, and Simona Kralj-Fišer. 2021.
5. González, A., S. González, D. Castro, and A. Armendano. 1998.
6. Hódar, José A., and Francisco Sánchez-Piñero. 2002.
7. Taucare-Ríos, Andrés, and Mauricio Canals. n.d.
8. Arnedo, Miquel A., Jonathan Coddington, Ingi Agnarsson, and Rosemary G. Gillespie.
2004
9. Valdez-Mondragón, Alejandro, and Luis A. Cabrera-Espinosa. 2023.
10. Rueda, Martha, Daniela Lozano, Valentina Muñoz-Charry, et al. 2021.
11. Giambelluca, Luis Alberto, María del Rosario Iglesias, and Alda González. 2024.
13. Yan, Shuai, and Xianchun Wang. 2015.
14. Padula, Matthew P. 2001.
15. Blackman, James R. 1995.
16. “Spider Conservation in the United States.”
17. Garb, Jessica E., Alda González, and Rosemary G. Gillespie. 2004.
18. Ushkaryov, Y. A., K. E. Volynski, and A. C. Ashton. 2004.
20. Dong, Yuting, Jeffrey A. Harvey, Robin Steegh, Rieta Gols, and Melissah Rowe. 2023.
21. Levi, Herbert W. 1959.
22. A.S, Dippenaar-Schoeman, Haddad C.R, Foord S.H, and Lotz L.N. 2021.
23. Rueda, Alexandra, Emilio Realpe, and Alfredo Uribe. 2017.
24. Ryan, Nicole M., Nicholas A. Buckley, and Andis Graudins. 2017.
25. Benjamin, Suresh P., and Samuel Zschokke. n.d.
26. Dunbar, John P., Antoine Fort, Damien Redureau, Ronan Sulpice, Michel M. Dugon,
and Loïc Quinton. 2020.
27. Lubin, Yael, Stephen Ellner, and Mandy Kotzman. 1993.
28. BENJAMIN, SURESH P., and SAMUEL ZSCHOKKE. 2003.
29. Vetter, Richard S. 1980.
30. Horwell, David, and Pete Oxford. 2011. Galapagos Wildlife. Bradt Travel Guides.
The widow spiders are among the world’s most venomous arachnids, but there’s FAR
more to their story than just hourglass marks and venomous bites. As we descend to the
deepest layers of the black widow iceberg, we’re going to discover the secrets of their
biochemistry, the 35 known species of these venomous spiders, and how they’ve used
some of the most insane evolution to conquer every continent except Antarctica.
Music in this video:
Dark Blood – Jimmy Svensson
Dark Fog – Kevin MacLeod
Impulse – DJ Backscratch
In Love with Emi – Fabien Fustinoni
Lifes Journey Begins – idokay
Memento – Nobou
Odd Numbers – Curtis Cole
Particles - Nobou
Strange Connection – Nobou
Sources
1. Wright, B. M. O. G., C. D. Wright, C. L. Sole, et al. 2019.
2. Grishin, E. V. 1998.
3. Holz, George G., and Joel F. Habener. 1998.
4. Golobinek, Rok, Matjaž Gregorič, and Simona Kralj-Fišer. 2021.
5. González, A., S. González, D. Castro, and A. Armendano. 1998.
6. Hódar, José A., and Francisco Sánchez-Piñero. 2002.
7. Taucare-Ríos, Andrés, and Mauricio Canals. n.d.
8. Arnedo, Miquel A., Jonathan Coddington, Ingi Agnarsson, and Rosemary G. Gillespie.
2004
9. Valdez-Mondragón, Alejandro, and Luis A. Cabrera-Espinosa. 2023.
10. Rueda, Martha, Daniela Lozano, Valentina Muñoz-Charry, et al. 2021.
11. Giambelluca, Luis Alberto, María del Rosario Iglesias, and Alda González. 2024.
13. Yan, Shuai, and Xianchun Wang. 2015.
14. Padula, Matthew P. 2001.
15. Blackman, James R. 1995.
16. “Spider Conservation in the United States.”
17. Garb, Jessica E., Alda González, and Rosemary G. Gillespie. 2004.
18. Ushkaryov, Y. A., K. E. Volynski, and A. C. Ashton. 2004.
20. Dong, Yuting, Jeffrey A. Harvey, Robin Steegh, Rieta Gols, and Melissah Rowe. 2023.
21. Levi, Herbert W. 1959.
22. A.S, Dippenaar-Schoeman, Haddad C.R, Foord S.H, and Lotz L.N. 2021.
23. Rueda, Alexandra, Emilio Realpe, and Alfredo Uribe. 2017.
24. Ryan, Nicole M., Nicholas A. Buckley, and Andis Graudins. 2017.
25. Benjamin, Suresh P., and Samuel Zschokke. n.d.
26. Dunbar, John P., Antoine Fort, Damien Redureau, Ronan Sulpice, Michel M. Dugon,
and Loïc Quinton. 2020.
27. Lubin, Yael, Stephen Ellner, and Mandy Kotzman. 1993.
28. BENJAMIN, SURESH P., and SAMUEL ZSCHOKKE. 2003.
29. Vetter, Richard S. 1980.
30. Horwell, David, and Pete Oxford. 2011. Galapagos Wildlife. Bradt Travel Guides.
