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
How Is Your Fish Today? How Is Your Fish Today? How Is Your Fish Today?, also known as Jin Tian De Yu Zen Me Yang?, is a 2007 Chinese film written by Xiaolu Guo and Hui Rao. It was directed by Xiaolu Guo. The film is a drama set in modern China, focusing on the intertwined stories of two main characters; a frustrated writer (Hui Rao) and the subject of his latest work, Lin Hao (Zijiang Yang). "How Is Your Fish Today" won 4 international awards and was well received by critics, but was not commercially successful. "How Is Your Fish Today?" was consistently given