Deuteronomy 14:8-10

Amplified Bible

⁸ The swine, because it has a divided hoof but does not chew the cud; it is unclean for you. You shall not eat their meat nor touch their carcasses.

⁹ “Of all [creatures] that are in the waters, you may eat these: anything that has fins and scales you may eat, ¹⁰ but you may not eat anything that does not have fins and scales; it is unclean for you.