sentences:  Female orb-web spiders ("Nephilengys livida") tend to cannibalize males displaying less aggressive behavior and mate with males displaying more aggressive behavior, showing a preference for this trait, which, along with large body size that indicates a strong foraging ability, displays high male quality and genetic advantage.Indirect mate choice can be witnessed in fishing spiders, "Dolomedes fimbriatus", where females do not discriminate against smaller body size, attacking males of all sizes.Females had lower success rates cannibalizing large males, which managed to escape where smaller males could not.