These tarantulas may have evolved huge genitalia to fend off bloodthirsty females Chrissie Paintings https://www.nationalgeographic.com/animals/article/new-tarantula-genus-enormous-genital-legs-cannibalism. Annie Roth Researchers have uncovered a new tarantula genus called Satyrex where males may have evolved longer sex organs to avoid getting eaten by fierce females. A female from the species Satyrex ferox is pictured below. Imagine a group of scientists sitting around studying spiders. Suddenly, one scientist leans forward, … Continue reading Scientific Shocker