Revelation 16:3

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.

Revelation 16:3 In-Context

1 And I heard a great voice out of the sanctuary saying to the seven messengers, `Go away, and pour out the vials of the wrath of God to the earth;'
2 and the first did go away, and did pour out his vial upon the land, and there came a sore -- bad and grievous -- to men, those having the mark of the beast, and those bowing to his image.
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.
4 And the third messenger did pour out his vial to the rivers, and to the fountains of the waters, and there came blood,
5 and I heard the messenger of the waters, saying, `righteous, O Lord, art Thou, who art, and who wast, and who shalt be, because these things Thou didst judge,
Young's Literal Translation is in the public domain.