Section 648.235 - Spiny dogfish possession and landing restrictions(a)Possession limit. Vessels issued a valid Federal spiny dogfish permit under § 648.4(a)(11) may:(1) Possess up to 7,500 lb (3,402 kg) of spiny dogfish per trip; and(2) Land only one trip of spiny dogfish per calendar day.(b) Regulations governing the harvest, possession, landing, purchase, and sale of shark fins are found at part 600, subpart N, of this chapter. 76 FR 60643 , Sept. 29, 2011, as amended at 78 FR 25864 , May 3, 2013; 79 FR 41144 , July 15, 2014; 79 FR 46378 , Aug. 8, 2014; 81 FR 53960 , Aug. 15, 2016; 87 FR 20350 , Apr. 7, 2022 81 FR 53960, 8/15/2016; 87 FR 20350, 5/1/2022