Carazo I, Norambuena F, Oliveira CCV, Sánchez-Vázquez FJ, Duncan NJ. The effect of night illumination, red and infrared light, on locomotor activity, behaviour and melatonin of Senegalese sole (Solea senegalensis) broodstock. Physiol Behav. 2013;118:201-7. doi:10.1016/j.physbeh.2013.05.032

Oliveira CCV, Mañanós E, Ramos J, Sánchez-Vázquez FJavier. Impact of photoperiod manipulation on day/night changes in melatonin, sex steroids and vitellogenin plasma levels and spawning rhythms in Senegal sole, Solea senegalensis. Comp Biochem Physiol A Mol Integr Physiol. 2011;159(3):291-5. doi:10.1016/j.cbpa.2011.03.025

Abbink W, Kulczykowska E, Kalamarz H, Guerreiro PM, Flik G. Melatonin synthesis under calcium constraint in gilthead sea bream (Sparus auratus L.). Gen Comp Endocrinol. 2008;155(1):94-100. doi:10.1016/j.ygcen.2007.03.002