Parallel
Revelation 8:9
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ ἀπέθανεν τὸ τρίτον τῶν κτισμάτων τῶν ἐν τῇ θαλάσσῃ τὰ ἔχοντα ψυχάς καὶ τὸ τρίτον τῶν πλοίων διεφθάρησαν
a third of the living creatures in the sea died, and a third of the ships were destroyed.