Levantine Sea to be the oldest known ocean crust worldwide. The Suez Canal was completed in 1869, linking the Levantine Sea to the Red Sea. The Red Sea's level is higher than the Eastern Mediterranean, so the canal serves as a tidal strait that pours Red Sea water into the Mediterranean. The Bitter Lakes, which are hypersaline natural lakes that form part of the canal, blocked the migration of Red Sea species into the Mediterranean for many decades, but as the salinity of the lakes gradually equalized with that of the Red Sea, the barrier to migration was removed, and plants and
Mediterranean Sea Middle Sea'. In Islamic and older Arabic literature, it was "Baḥr al-Rūm(ī)" ( or }) 'the Sea of the Romans' or 'the Roman Sea'. At first, that name referred to only the Eastern Mediterranean, but it was later extended to the whole Mediterranean. Other Arabic names were "Baḥr al-šām(ī)" () 'the Sea of Syria' and "Baḥr al-Maghrib" () 'the Sea of the West'. In Turkish, it is the "Akdeniz" 'the White Sea'; in Ottoman, ﺁق دكيز, which sometimes means only the Aegean Sea. The origin of the name is not clear, as it is not known in earlier Greek, Byzantine