This study integrates the project “Ouriceira Aqua: Aquaculture and Enhancement of Gonad Production in the Sea Urchin (Paracentrotus lividus)” (16-02-01-FMP-0004). This study had the additional support of Fundação para a Ciência e Tecnologia (FCT), through the strategic project UID/MAR/04292/2019 granted to MARE - Marine and Environmental Sciences Centre.; Paracentrotus lividus is the most valuable sea urchin sp...