Why are big business names like Soriano, Ortigas, Roxas, Villareal engaged in intensive prawn culture? It's a big business, that's why. There is a big demand for sugpo or lucon, not only in the local market but in prawn-consuming countries like Japan and the United States.

Velasco, M. (1985, October 7). Raising prawns for export. Malaya, p. 1.