Revelation 16:3
Then the second angel poured out his bowl on the sea. It became like the blood of a dead man, and every living being died in the sea.
Exodus 7:17-21
Jehovah says: 'This is the way you will recognize that I am Jehovah: I will strike the Nile with this staff in my hand. The water will turn into blood.
Revelation 8:8-9
The second angel blew his trumpet. Something like a great mountain burning with fire was hurled into the sea. A third of the sea became blood.
Revelation 11:6
These (two witnesses) have power to shut the sky so that it will not rain in the days of their prophecy. They have power over waters to turn them to blood, and to strike the earth with all plagues, as often as they will.
Genesis 7:22
Everything on dry land that had the breath of life in its nostrils died.
Psalm 78:44
He turned their rivers into blood so that they could not drink from their streams.
Psalm 105:29
He turned their water into blood and caused their fish to die.
Ezekiel 16:38
I will judge you like women who commit adultery or shed blood are judged. I will bring on you the blood of wrath and jealousy.
Revelation 10:2
He held a little book that lay open in his hand. He placed his right foot on the sea, and his left foot on the earth.
Revelation 13:1
The dragon stood on the shore by the sea. I saw a beast rise up out of the sea, having seven heads and ten horns. His horns had ten crowns on them. Blasphemous names were on his heads.