Psalm 104:26
There go the ships: there is that leviathan, whom thou hast made to play therein.
Cross-reference
In Psalm 74:14, God crushes Leviathan's heads — contrasting with the playful Leviathan created here. Shows God's power over chaos.
Psalm 107:23 describes ships on the sea, directly echoing the ships going to and fro in this verse.
Psalm 148:7 calls sea creatures to praise — reinforcing the idea of Leviathan as part of God's creation.
Job 41:1-34 gives a detailed description of Leviathan, expanding on the creature briefly mentioned here.
Job 41:5 asks if one can play with Leviathan — echoing the 'play' language used here about God's creation.
Isaiah 27:1 describes God punishing Leviathan as a serpent — contrasting with the playful Leviathan created here.
Genesis 49:13 prophesies Zebulun as a haven for ships, connecting to the maritime activity mentioned here.