They shall be even an abomination to you,.... This is repeated again and again, to deter from the eating of such fishes, lest there should be any desire after them:
ye shall not eat of their flesh, here mention is made of the flesh of fishes, as is by the apostle, 1-Corinthians 15:39. Aben Ezra observes, that their wise men say, this is according to the usage of words in those ages:
but you shall have their carcasses in abomination; not only abstain from eating them and touching them, but to express the utmost aversion to them.

Unto you - This clause is added to shew that they were neither abominable in their own nature, nor for the food of other nations; and consequently when the partition - wall between Jews and Gentiles was taken away, these distinctions of meat were to cease.