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
Fish marketing seafood to individual consumers, or to both. Retail fish markets, a type of wet market, often sell street food as well. The fundamental meaning of "un chasse-marée" was "a wholesale fishmonger", originally on the Channel coast of France and later, on the Atlantic coast as well. He bought in the coastal ports and sold in inland markets. However, this meaning is not normally adopted into English. The name for such a trader in Britain, from 1500 to 1900 at least, was 'rippier'. Fish marketing Fish marketing is the marketing and sale of fish products. The live fish trade is a