Nuñal, S.N. and Joseco, J.L. 2025. Optimized hydrolysis of tuna viscera by a spray-dried cell-free crude enzyme preparation from Staphylococcus sp. isolated from fermented fish. Sustainable Aquatic Research. 4, 3 (Dec. 2025), 314–330. DOI:https://doi.org/10.5281/zenodo.18046093.