鱼身是大肠杆菌最好的温床，在20℃左右温度里，6个小时后1个细菌会变成1亿个，所以，剩鱼第2天一定要加热后食用，但是，过度加热会使鱼失去营养价值。所以，鱼不适合吃2顿。贝壳类海鲜可以吃2顿，但重新食用一定要重新烹饪，加热时还要另加些酒、葱、姜等佐料，这样不仅味鲜 Fish body is the best hotbed of E. coli, at 20 ℃ temperature, 6 hours after a bacteria will become 100 million, so the remaining fish on the 2nd day must be heated for consumption, however, overheating will make Fish lose their nutritional value. Therefore, the fish is not suitable to eat 2 meals. Shellfish seafood can eat 2, but must re-eat cooking, heating, but also add some wine, onions, ginger and other condiments, so that not only delicious