The number of protein and phosphoprotein spots detected in (a) mature males (MM), males after first spawning (MAS) and (b) mature females (MF), and spent females (S) of <i>N</i><i>. arenaceodentata</i>.

<p>The protein spots were determined by a paired t-test with p-value (p < 0.001) using PDQuest software (version 8.0). Each error bar represents the mean (SD) number of proteins from three replicate gels.