Deuteronomy 14:10
but whatever does not have fins and scales ye may not eat; it is unclean unto 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 shall you eat of all that are in the waters: whatever has fins and scales in the waters, in the seas, and in the rivers, those shall you eat.