Deuteronomy 14:7-9

New Catholic Bible

⁷ However, there are animals that chew their cud, or that have a cleft hoof that you cannot eat: the camel, the hare, and the rock badger, for they chew their cud but do not have a cleft hoof, so they are unclean for you. ⁸ Likewise, pigs have a cleft hoof, but they do not chew their cud, so they are unclean for you. You are not to eat their meat, nor even touch their dead carcasses.

⁹ You can eat any water creature that has fins and scales; those you can eat.