According to an estimate based on a survey on household finances conducted by the Ministry of Internal Affairs and Communications, the amount of fresh fish purchased per household is likely to fall below 40kg a year, the lowest level since the survey started in 1975...According to analysts, this downward trend reflects the increasing number of people who do not bother to cook fresh fish at their homes...In contrast to the continued shrinkage of demand for fresh fish for household use, demand for fish for the so-called 'home-meal replacement', such as prepared foods and home-delivered sushi, is increasing. Also demand for the restaurant industry remains firm...However, the shift in demand from household cooking to HMR and restaurants could, in the longer range, lead to a decline in demand for fishery products as a whole because home cooking skills and the techniques to judge the quality of fish at the time of purchase are not handed down to the next generation...more...
Others are more worried about declining fish stocks and increase in pollution.