Crab roe sushi is not real crab roe.
Crab roe turned out to be not real crab roe used in sushi, but fish roe. Of course, the main reason is still because the crab roe of hairy crabs, really very expensive, so that in order to economic effect, had to replace the crab roe with fish roe. In fact, there are different kinds of fish roe. Let's say the roe used for caviar is sturgeon roe, the quality of sturgeon roe is very high. And the production is rare, so that the price is also very expensive.
Eating sushi precautions
Eating sushi to pay attention to parasites: sushi has a lot of ingredients are raw, especially seafood, these ingredients have the possibility of parasites than the average ingredients, and the vinegar used in the sushi, drinking shochu when consumed, and can not completely kill parasites, so it is best to drink wasabi eaten together. If you're buying it to eat at home, pay special attention to the expiration date.
Eating sushi should pay attention to the edible matching: Chinese people do not have the habit of eating raw food, especially for some uncooked fatty food digestion is particularly weak, so eat with sushi when it is best to eat more ginger and drink some coarse grain tea.