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Science 14 March 1980:
Vol. 207. no. 4436, pp. 1216 - 1218
DOI: 10.1126/science.207.4436.1216
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Articles

Detrital Nonprotein Amino Acids Are the Key to Rapid Growth of Tilapia in Lake Valencia, Venezuela

STEPHEN H. BOWEN 1

1 Department of Biological Sciences, Michigan Technological University, Houghton 49931

The detritivorous cichlid Sarotherodon mossambicus grows rapidly on a low-protein diet by assimilating detrital nonprotein amino acids. Differences in the quantity of detrital amino acids in different lakes may account for the variable success of S. mossambicus introductions around the world.

Submitted on August 13, 1979
Revised on November 5, 1979

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Science. ISSN 0036-8075 (print), 1095-9203 (online)