New Revised Standard Version
A third of the sea became blood, a third of the living creatures in the sea died, and a third of the ships were destroyed.

Contemporary English Version
a third of the living creatures in the sea died, and a third of the ships were destroyed.

New American Bible
a third of the creatures living in the sea died, and a third of the ships were wrecked.

Douay-Rheims Bible
And the third part of those creatures died which had life in the sea: and the third part of the ships was destroyed.

And the third part of those creatures died which had life in the sea: and the third part of the ships was destroyed.

the third part of the creatures.

Revelation 8:7,10,12 And the first angel sounded the trumpet: and there followed hail and fire, mingled with blood: and it was cast on the earth. And the third part of the earth was burnt up: and the third part of the trees was burnt up: and all green grass was burnt up. . . .

Revelation 16:3 And the second angel poured out his vial upon the sea. And there came blood as it were of a dead man: and every living soul died in the sea.

Exodus 7:21 And the fishes that were in the river died; and the river corrupted, and the Egyptians could not drink the water of the river, and there was blood in all the land of Egypt.

Zechariah 13:8 And there shall be in all the earth, saith the Lord, two parts in it shall be scattered, and shall perish: but the third part shall be left therein.

the ships.

Psalm 48:7 With a vehement wind thou shalt break in pieces the ships of Tharsis.

Isaiah 2:16 And upon all the ships of Tharsis, and upon all that is fair to behold.

Isaiah 23:1 The burden of Tyre. Howl, ye ships of the sea, for the house is destroyed, from whence they were wont to come: from the land of Cethim it is revealed to them.