DI FRANCO, A., SOMMA, E., DI LORENZO, M., KOUTOULAKIS, Y., FURUHASHI, R. and GIAKOUMI, S. 2026. Hidden in plain sight: the overlooked establishment of the diamond lizardfish Synodus synodus (Linnaeus, 1758) in the Mediterranean Sea. Mediterranean Marine Science. 27, 1 (Jan. 2026), 1–7. DOI:https://doi.org/10.12681/mms.42764.