Deuteronomy 14:10
and whatever doesn't have fins and scales you shall not eat; it is unclean to you.
Treasury of Scripture Knowledge
Summary
And whatsoever hath not fins and scales ye may not eat; it is unclean unto you.
General references
Bible References
General references
Leviticus 11:9
"'These you may eat of all that are in the waters: whatever has fins and scales in the waters, in the seas, and in the rivers, that you may eat.