Tilapia is a very promising aquaculture species with the development of the aquaculture industry. The commercial value of tilapia varies greatly with size in certain countries like Israel and Africa. In Southeast Asia, size is not an important factor; the market price varies regionally. Although tilapia could compare favorably with other aquaculture products, its flesh being very high in quality, some consumers have a strong objection to its dark skin. Nonetheless, tilapia is currently one of the most important fish crops in most countries of the world. With the improvement of aquaculture technology, tilapia is now grown in fish cages, fishponds and other inland waters. There is no doubt that this has helped increase the production of the...