First record of the Goldstripe sardinella - Sardinella gibbosa (Bleeker, 1849) in the Mediterranean Sea and confirmation for its presence in the Red Sea.

This report updates the geographical distribution of Sardinella gibbosa (Bleeker, 1849): confirming its presence in the Red Sea and documenting its introduction into the Eastern Mediterranean Sea. Both updates are based on overlooked museum voucher specimens, some of which were collected 86 years ago. In addition, a simplified morphological key is provided for identifying the clupeids currently found in the Eastern Mediterranean Basin.