The introduction of exotic fish in Sri Lanka with special reference to tilapia

de Zylva, E.R.A (1999) The introduction of exotic fish in Sri Lanka with special reference to tilapia. Naga, the ICLARM Quarterly, 22(3), pp. 4-8.

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Abstract

Introductions of exotic finfish between 1948 and 1953 are reported in this paper, with a brief reference to earlier and later introductions. Exotic fish were introduced principally to develop the potential for aquaculture in fresh and brackish waters in order to increase the availability of fish for rural communities through the biological control of aquatic vegetation. The algal feeding tilapia (Sarotherodon mossambicus) has created a new food industry in inland and brackishwaters. It has supplemented marine fishery production in a community where animal protein intake consists mainly of fish. It is also being cultured in flooded rice fields and used in the control of malaria. This excellent table fish has not had any adverse environmental impact.

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