Leviticus 11:46-47

New Revised Standard Version, Anglicised Catholic Edition

⁴⁶ This is the law pertaining to land animal and bird and every living creature that moves through the waters and every creature that swarms upon the earth, ⁴⁷ to make a distinction between the unclean and the clean, and between the living creature that may be eaten and the living creature that may not be eaten.