Leviticus 11:12
Anything in the water which has no special parts for swimming and no thin plates on its skin is disgusting to you.
Treasury of Scripture Knowledge
Summary
Whatsoever hath no fins nor scales in the waters, that shall be an abomination unto you.
General references
Bible References
General references
Deuteronomy 14:9
And of the things living in the waters, you may take all those who have wings for swimming with and skins formed of thin plates.