Psalm 74:13 in the King James Version
Thou didst divide the sea by thy strength: thou brakest the heads of the dragons in the waters.
Context
12 Yet God is my King of old, working salvation throughout the earth.
13 You divided the sea by your strength. You broke the heads of the sea monsters in the waters.
14 You broke the heads of Leviathan in pieces. You gave him as food to people and desert creatures.