Table 1: Data on the fish investigated: 𝑛 presents the number of males collected, total body length, body weight, gonad weight, spleen weight, and condition factor ( 𝐾 ): means ± SD are shown.

Sampling period 𝑛 Total length (mm)Body weight (g)Gonad weight (g)Spleen weight (g) 𝐾
Mean±SDMean±SDMean±SDMean±SDMean±SD

Before-breeding29271.59±3.25245.37±106.8821.88±10.980.27±0.131.92±0.22
Breeding31270.39±26.93215.97±61.3910.30±3.570.25±0.091.76±0.17
After-breeding30260.52±71.48215.49±63.9210.51±3.790.25±0.081.60±0.43