The expression levels of <i>skissr</i> transcripts in the hypothalamus (Fig 4a and 4c) and saccus vasculosus (Fig 4b and 4d) in fish with gonads at stage II (Fig 4a and 4b) and stage V (Fig 4c and 4d) under different photoperiod treatments.

<p>Data are shown as mean ±SD. One-way ANOVA is performed to determine the significant differences between means Columns sharing different letters show significant difference (p < 0.05).</p>