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 Be Careful What You Fish For "Be Careful What You Fish For" is the fourteenth episode of the tenth season of the animated comedy series "Family Guy". The episode originally aired on Fox in the United States on February 19, 2012. When Peter and the guys try to salvage a sunken Mercedes-Benz, Peter half-heartedly promises a favor to a helpful dolphin. Soon, the dolphin moves to Quahog but outstays his welcome at Peter's. Peter tries to reunite the dolphin with his ex-wife in hopes that he will return to the ocean. This episode was written by Steve Callaghan and directed