The female then covers the eggs with gravel and repeats the process. Adult salmon guard the redd site until their death. In late winter, eggs hatch from the redds. Young alevin in the gravel live off the nutritious yolk sac that hangs off their undersides for up to four months.
Giving red envelops or Hongbao is a custom at Chinese New Year. Red envelopes always contain money in China, and are given, most commonly, to kids from their parents, grandparents, and others as Chinese New Year gifts. They are called hongbao in Mandarin and lai see in Cantonese.
Hong is the Pinyin (Mandarin) version of the Chinese surname æ´ª. The same surname is spelled as 'Hung' in Cantonese. Hong or Hung means flood or deluge in Chinese. There are also Hongs in Korea, but not sure if it's the same surname. More information about Hong can be found here: English; Chinese