a fish that lives in rivers and lakes, originally from Africa but now living in many different places where it is eaten as food

Tilapia are farmed in many parts of the world. 罗非鱼在世界上很多地方都有养殖。

He ate a healthy supper of tilapia and brown rice. 他吃了一顿健康的晚餐——罗非鱼配糙米。