Revelation 16:3 KJV
And the second angel poured out his vial upon the sea; and it became as the blood of a dead man: and every living soul died in the sea.
Revelation 16:1–5 KJV Chapter Context
1
And I heard a great voice out of the temple saying to the seven angels, Go your ways, and pour out the vials of the wrath of God upon the earth.
2
And the first went, and poured out his vial upon the earth; and there fell a noisome and grievous sore upon the men which had the mark of the beast, and upon them which worshipped his image.
3
And the second angel poured out his vial upon the sea; and it became as the blood of a dead man: and every living soul died in the sea.
4
And the third angel poured out his vial upon the rivers and fountains of waters; and they became blood.
5
And I heard the angel of the waters say, Thou art righteous, O Lord, which art, and wast, and shalt be, because thou hast judged thus.