Why some spiders are more venomous than others

A new study has revealed why some spiders possess venom that is far more potent than others. By analyzing the venoms of more than 70 different spider species, the team explored whether factors such as body size, prey type, and hunting method, including the use of webs, could explain the wide variation in venom strength.

source https://www.sciencedaily.com/releases/2025/05/250521125052.htm