Leviticus 11:10-12

10But anything in the seas or the rivers that does not have fins and scales, of the swarming creatures in the waters and of the living creatures that are in the waters, is adetestable to you. 11You shall regard them as detestable; you shall not eat any of their flesh, and you shall detest their carcasses. 12Everything in the waters that does not have fins and scales is detestable to you.

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