"These you may eat of all that are in the waters: you may eat all that have fins and scales.
Deuteronomy 14:9
Surrounding context
14:8 Also the swine is unclean for you, because it has cloven hooves, yet does not chew the cud; you shall not eat their flesh or touch their dead carcasses.
14:9 "These you may eat of all that are in the waters: you may eat all that have fins and scales.
14:10 And whatever does not have fins and scales you shall not eat; it is unclean for you.