Sockeye salmon are red, which is the usual color of females. Even small changes in wavelength, saturation, and brightness can affect preference. Both sexually naïve males and experienced males showed the same preferences, which illustrates that preference for a red hue may be innate. Some traits that lead to reproductive success, such as body size and sexual dimorphism can affect one’s survival. This leads to opposing pressures of natural selection and sexual selection. Larger males are favored, unless the risk of predation is very high. Sockeye salmon that die prematurely from predation are typically the larger ones in a population. This shows
Be Careful What You Fish For "The Little Mermaid", but none of the romantic plot is set up when Billy shows up in the first place. It’s the same random meandering through well-worn sitcom plot clichés that keeps "Family Guy" saddled with the “lazy” label. If this rerun comes on as some mindless background filler, it’ll do the job dutifully, but it’s getting increasingly frustrating to watch the show come up with material for Adam West that always hits the mark, but never find a way to fit other high-profile guest appearances into the framework." Be Careful What You Fish For "Be Careful What You Fish