Male spiders have safe(r) sex with siblings

In a cannibalistic species, males don't linger long with their sisters

Inbreeding isn’t worth dying for, even in a spider species where males routinely pay for sex with their lives.

DANGER A male spider (the smaller one) is maneuvering into position for a potentially fatal mating with a cannibalistic female. She’s supersized, as is typical for the species, Argiope bruennichi.