1. Short title This Act may be cited as the Shark Fin Sales Elimination Act of 2017 . 2. Prohibition on sale of shark fins (a) Prohibition Except as provided in section 3, no person shall possess, offer for sale, sell, or purchase any shark fin or product containing any shark fin. (b) Penalty For purposes of section 308(a) of the Magnuson-Stevens Fishery Conservation and Management Act ( 16 U.S.C. 1858(a) ), a violation of this section shall be treated as an act prohibited by section 307 of that Act ( 16 U.S.C. 1857 ). 3. Exemption for traditional fisheries, education, and science Section 2 shall not apply with respect to possession of a shark fin that was taken lawfully under a State, territorial, or Federal license or permit to take or land sharks, if the shark fin is separated from the shark in a manner consistent with the license or permit and is— (1) destroyed or discarded; (2) used for noncommercial subsistence purposes in accordance with State or territorial law; or (3) used solely for display or research purposes by a museum, college, or university, or other person under a State or Federal permit to conduct noncommercial scientific research. 4. Definitions In this Act: (1) Shark The term shark means any species of the orders Pristiophoriformes, Squa­tini­formes, Squaliformes, Hexanchiformes, Lam­ni­formes, Carchariniformes, Orectolobiformes, and Hetero­don­ti­formes. (2) Shark fin The term shark fin means the raw, dried, or otherwise processed detached fin, or the raw, dried, or otherwise processed detached tail, of a shark. 5. State authority Nothing in this Act affects any right of a State or territory of the United States to adopt or enforce any regulation or standard that is more stringent than a regulation or standard in effect under this Act.