The retina is a target for GnRH-3 system in the European sea bass, Dicentrarchus labrax

► We investigated the relationship between the GnRH-3 system and the retina in sea bass. ► We reveal the presence of retinopetal and GnRH-3 cells in the sea bass terminal nerve. ► GnRH-3 fibers reach the inner nuclear and ganglion cell layers of the sea bass retina. ► Dopaminergic cells from the sea bass retina represent a direct target of GnRH-3.