3 (9:4) And the second poured out his bowl on the sea; and it became as the blood of a dead body, and every living soul died, the [creatures] in the sea.
Revelation 16:3 Cross References - Sawyer
Revelation 8:8-9
Revelation 10:2
2 and he had in his hand a little book opened. And he set his right foot on the sea, and his left on the land,
Revelation 11:6
6 These have power to shut heaven, that it may not rain in 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 will.
Revelation 13:1
1 (7:6) And I stood on the sand of the sea. And I saw a beast come up out of the sea, having ten horns and seven heads, and upon his horns ten diadems, and upon his heads names of blasphemy.