discoverynews:  Male Spiders Castrate Themselves to Fight Better Castrated males are better fighters because they are not weighed down by their manhood. keep reading Images: Nephilengys malabarensis male and female showing extreme sexual dimorphism where the much smaller male is resting on the female's abdomen after escaping from female cannibalism via emasculation during copulation. Credit: Qi Qi Lee  Wow, that's dedication to the cause.
{}