50 CFR § 14.21 - Shellfish and fishery products.
(a)
(1) General. Except for wildlife requiring a permit pursuant to part 17 or 23 of this subchapter, shellfish and fishery products imported or exported for purposes of human or animal consumption or taken in waters under the jurisdiction of the United States or on the high seas for recreational purposes may enter or exit at any Customs port.
(2) Except for wildlife requiring a permit pursuant to part 17 or part 23 of this subchapter, live aquatic invertebrates of the Class Pelecypoda (commonly known as oysters, clams, mussels, and scallops) and the eggs, larvae, or juvenile forms thereof may be exported for purposes of propagation, or research related to propagation, at any Customs port.
(b) Pearls. Except for wildlife requiring a permit pursuant to part 17 or 23 of this subchapter, pearls imported or exported for commercial purposes may enter or exit the United States at any Customs port of entry. For the purposes of this part, all references to the term shellfish and fishery products will include pearls.