Data collected during a limnological survey of 165 Florida lakes were used to examine statistical relations between chlorophyllaconcentrations and the abundance of total zooplankton, cladocerans, copepods, crustaceans, and rotifers. Abundances of the different groupings of zooplankton were positively correlated with chlorophyllaconcentrations, but all correlation coefficients were less than 0.72. Rotifers were most strongly correlated with chlorophyllaconcentrations during the summer (r=0.71). No major changes in community composition could be demonstrated with increasing chlorophyll levels. Empirical models derived from regression analyses were developed to predict zooplankton abundance from measures of chlorophyllaconcentrations.