Parameters Rainfall (mm) At. Temp (°C) Wat. Temp (°C) Salinity (‰) pH DO (ml/l) Fish eggs Rainfall (mm) 1             At. Temp. (°C) -0.65 1           Wat. Temp. (°C) -0.59 0.55 1         Salinity (‰) -0.53 0.65 0.02 1       pH -0.29 0.44 0.48 0.09 1     DO (ml/l) 0.1 -0.01 0.38 -0.51 0.23 1   Fish eggs 0.27 -0.51 -0.18 -0.29 -0.28 0.02 1

Table 4: Correlation coefficient (r) values between fin fish eggs abundance and physicochemical parameters, at stations I along Muthupettai waters during January-2011 to December-2012.