Revelation 16:3
And the second poured out his bowl into the sea; and it became blood as of a dead man; and every living soul died, even the things that were in the sea.
Exodus 7:17-21
Thus saith Jehovah, In this thou shalt know that I am Jehovah: behold, I will smite with the rod that is in my hand upon the waters which are in the river, and they shall be turned to blood.
Revelation 8:8-9
And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea: and the third part of the sea became blood;
Revelation 11:6
These have the power to shut the heaven, that it rain not during the days of their prophecy: and they have power over the waters to turn them into blood, and to smite the earth with every plague, as often as they shall desire.
Genesis 7:22
all in whose nostrils was the breath of the spirit of life, of all that was on the dry land, died.
Psalm 78:44
And turned their rivers into blood, And their streams, so that they could not drink.
Psalm 105:29
He turned their waters into blood, And slew their fish.
Ezekiel 16:38
And I will judge thee, as women that break wedlock and shed blood are judged; and I will bring upon thee the blood of wrath and jealousy.
Revelation 10:2
and he had in his hand a little book open: and he set his right foot upon the sea, and his left upon the earth;
Revelation 13:1
and he stood upon the sand of the sea. And I saw a beast coming up out of the sea, having ten horns, and seven heads, and on his horns ten diadems, and upon his heads names of blasphemy.