What kind of fish is tilapia?

As the name implies, tilapia is also called African crucian carp? What is the scientific name of Vietnamese fish?

Non-crucian carp hatched by Cicadaceae (Polygonaceae).

What is the picture below? Non-crucian carp hatched in Mozambique? . Commonly known as African crucian carp, non-crucian carp, Vietnamese fish, Nanyang crucian carp, tilapia

1954 was introduced into southern China. As a freshwater pond fish, it is called African crucian carp, or non-crucian carp for short, because it looks like crucian carp. It was once called Vietnamese fish because it was introduced from Vietnam. 198 1, Zheng Baoshan called this fish tilapia in Guangxi freshwater fauna, belonging to extensors. Tilapia is named after the Vietnamese pronunciation of fish as "Luo Fei", which may be the name of fish farmers in Guangxi for this kind of fish from Vietnam.