Revelation 16:3-5

3And 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.

4And the third poured out his bowl into the rivers and the fountains of the waters; and it became blood. 5And I heard the angel of the waters saying, Righteous art thou, who art and who wast, thou Holy One, because thou didst thus judge: