The Indian Sea
No sea begins with the letter X.
The South China Sea begins with the letter S. The Sea of Japan and the Sea of Okhotsk also begin with the letter S.
The Aegean Sea.
Halmahera Sea
Caspian sea (:
The Dead Sea in Israel.
Fovea
The East Siberian Sea begins with the letter E. The East Sea is in Japan.
Baltic Sea
sea
Manatee
fish