Leviticus 11:9-10

⁹These shall ye eat, of all that are in the waters: whatever hath fins and scales in the waters, in the seas, and in the rivers, them shall ye eat.

¹⁰And all that have not fins nor scales in the seas, and in the rivers, of all that move in the waters, and of any living animal which is in the waters, they shall be an abomination to you: