Is shrimp clean or unclean?

Chef's answer
Of those that live in the water (including fish) only those that have fins and scales may be eaten. All crustaceans and mollusk shellfish have no scales and are therefore unclean. These include shrimp/prawns, lobster, scallops, mussels, oysters, squid, octopus, crabs and other shellfish) is not clean.
Frequently asked Questions 🎓
According to the Torah, land-dwelling animals that both chew the cud (ruminate) and have cloven hooves, are kosher. ... Quintessentially, the Torah explicitly declares the pig unclean, because it has cloven hooves but does not ruminate.
Of those that live in the water (including fish) only those that have fins and scales may be eaten. All crustaceans and mollusk shellfish have no scales and are therefore unclean. These include shrimp/prawns, lobster, scallops, mussels, oysters, squid, octopus, crabs and other shellfish) is not clean.
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