Can cause poisoning, but not absolute: A, puffer fish, viscera (especially liver and ovaries) contain highly toxic substances, can not be eaten, but also can not be eaten by the toxin contaminated fish. But the clean fish meat is edible, is the top quality river food. Jiangyin City, Jiangsu Province, is the place to eat puffer fish. b. Moldy sugar cane, poisonous, chronic, toxicity is not great, but serious can kill people. c. Shellfish in waters where "red tide" occurs, the world's more than 4,000 kinds of oceanic planktonic algae more than 260 kinds of red tide can be formed, and more than 70 kinds of toxins can be produced. Some of the toxins they secrete can directly cause the death of a large number of marine organisms, and some can even be passed through the food chain, causing food poisoning in humans. That means not all of them are inedible. Detected non-toxic shellfish can be eaten. D, brightly colored mushrooms, the vast majority of mushrooms are the more brightly colored the more inedible, but not entirely so, the wild unknown mushrooms do not easily go to eat, it is likely to kill, but after expert identification, some of the mushrooms can be eaten are also very brightly colored.

Oh, the advice: the above things to eat with caution!