EXO 7:21

21 and [[the]] fishes, that were in the flood, died; and the flood was rotten, and [[the]] Egyptians might not drink the water of the flood; and blood was in all the land of Egypt. (and the fish, that were in the (Nile) River, died; and the River was rotten, and the Egyptians could not drink the water of the River; and blood was in all the land of Egypt.)