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20 And God said, Let the waters bring forth abundantly the moving creature that hath life, and fowl that may fly above the earth in the open firmament of heaven.
'A sandal tree' signifies aspects of the natural self.
(Referencias: Apocalypse Explained 518)
4 I will put hooks in your jaws, and I will make the fish of your rivers stick to your scales; and I will bring you up out of the midst of your rivers, with all the fish of your rivers which stick to your scales.