Revelation 16:3-4

Expanded Bible

³ The second angel poured out his bowl on the sea, and it became blood like that of a ·dead man [corpse; ^Creminiscent of the first Egyptian plague; Ex. 7:14–21; see also 8:8–9], and every living thing in the sea died.

⁴ The third angel poured out his bowl on the rivers and the springs of water, and they became blood [^Calso similar to the first Egyptian plague].