Revelation 16:3
And the second messenger did pour out his vial to the sea, and there came blood as of one dead, and every living soul died in the sea.
Exodus 7:17-21
Thus said Jehovah: By this thou knowest that I am Jehovah; lo, I am smiting with the rod which is in my hand, on the waters which are in the River, and they have been turned to blood,
Revelation 8:8-9
And the second messenger did sound, and as it were a great mountain with fire burning was cast into the sea, and the third of the sea became blood,
Revelation 11:6
These have authority to shut the heaven, that it may not rain rain in the days of their prophecy, and authority they have over the waters to turn them to blood, and to smite the land with every plague, as often as they may will.
Genesis 7:22
all in whose nostrils is breath of a living spirit -- of all that is in the dry land -- have died.
Psalm 78:44
And He turneth to blood their streams, And their floods they drink not.
Psalm 105:29
He hath turned their waters to blood, And putteth to death their fish.
Ezekiel 16:38
And I have judged thee -- judgments of adulteresses, And of women shedding blood, And have given thee blood, fury, and jealousy.
Revelation 10:2
and he had in his hand a little scroll opened, and he did place his right foot upon the sea, and the left upon the land,
Revelation 13:1
And I stood upon the sand of the sea, and I saw out of the sea a beast coming up, having seven heads and ten horns, and upon its horns ten diadems, and upon its heads a name of evil speaking,