199. Derived from: Legner, E. F. & C. A. Murray. 1981. Feeding rates and growth of the fish Tilapia zillii [Cichlidae] on Hydrilla verticillata, Potamogeton pectinatus and Myriophyllum spicatum var. exalbescens and interactions in irrigation canals in southeastern California. J. Amer. Mosq. Contr. Assoc. 41(2): 241-250.
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