1. Short title This Act may be cited as the Commercial Fishing and Aquaculture Protection Act of 2019 . 2. Supplemental revenue assistance for commercial fishermen and farm-raised fish producers The Magnuson-Stevens Fishery Conservation and Management Act ( 16 U.S.C. 1801 et seq.) is amended by inserting after section 320 the following: 321. Supplemental revenue assistance for commercial fishermen and farm-raised fish producers (a) Definitions In this section: (1) Eligible commercial fisherman (A) In general The term eligible commercial fisherman means an individual or entity described in subparagraph (B) that, as determined by the Secretary, assumes the financial risks associated with harvesting fish intended for commerce. (B) Description An individual or entity is described in this subparagraph if the individual or entity is— (i) a citizen of the United States; (ii) a partnership of citizens of the United States; or (iii) a corporation, limited liability corporation, or other organizational structure organized under State law. (2) Eligible farm-raised fish producer The term eligible farm-raised fish producer means an individual or entity described under paragraph (1)(B) that, as determined by the Secretary, assumes the production and market risks associated with the production of fish in a controlled environment intended for commerce. (3) Eligible loss The term eligible loss , with respect to a calendar year, means when actual gross revenue associated with commercial fishing or farm-raised fish production for such calendar year is less than 85 percent of the average gross revenue for the 3 previous calendar years. (4) Eligible loss condition The term eligible loss condition means a condition that resulted in eligible loss due to algae bloom, freshwater intrusion, adverse weather, bird depredation, disease, or other condition, as determined by the Secretary. (5) Fish The term fish includes— (A) shellfish (including oysters, shrimp, crawfish, and crab); (B) finfish (including catfish)