Zooplankton population abundance and composition in catfish (Clarias macrocephalus) ponds were studied, Copeponds and rotifers were dominant with dadocerans being a minor component. Copepod larvae (nauplii) was dominant, but for rotifers, Brachionus quadridentata andLecane luna were abundant. Among dadocerans, Macrothrix spinosa was the dominant species.