Redback Spider (Latrodectus hasselti) "
Female praying mantises often engage in sexual cannibalism, where they eat the male after or during mating.
Similar to the redback spider, female black widow spiders are known for consuming the males after mating. It shows sexual cannibalism.
there have been cases of female nursery web spiders consuming the males after mating. This behavior is believed to increase the female's fitness .
No. 6
Female marbled salamanders occasionally eat the males after mating. This behavior is thought to be related to the female's need for additional energy .