1, unique to the south, not easy to get. Tilapia is commonly known as: African crucian carp, non-carp, Vietnamese fish, South Pacific crucian carp. This fish is only in the south, because high temperature to survive, low temperature is basically dead, the temperature is below 20 degrees Celsius is very difficult to survive.

2, tilapia may carry bacteria. Tilapia was introduced in the 1980s, because of rapid growth, breeding capacity, rapid expansion to major domestic waters. And the more in the city sewage outfall, the more such fish. Tilapia has a higher likelihood of carrying bacteria, and many people are afraid to eat it for safety reasons.

Extended information:

While the Chinese people do not love to eat, but Americans love to eat tilapia, has been eating nearly two decades, the per capita >= 1.25 pounds, is the fourth largest U.S. dinner table VIPs, second only to shrimp, salmon and cod.

The U.S. government says that tilapia Tilapia is one of the lowest mercury-containing fish (tied with sardines), and the U.S. Department of Agriculture says that tilapia is low in fat, high in protein, high in the amino acids high in potassium, high in selenium, high in Vitamin K, and recommended for consumption.

References:

Tilapia - Baidu Encyclopedia