Exodus 7:21

Overview - Exodus 7
1	Moses and Aaron are encouraged to go again to Pharaoh.
7	Their age.
8	Aaron's rod is turned into a serpent.
11	The sorcerers do the like; but their rods are swallowed up by Aaron's.
13	Pharaoh's heart is hardened.
14	God's message to Pharaoh.
19	The river is turned into blood; and the consequent distress of the Egyptians.

Exodus 7:21  (King James Version)
And the fish that was in the river died; and the river stank, and the Egyptians could not drink of the water of the river; and there was blood throughout all the land of Egypt.