(a) DEFINITIONS- Section 101 of title 11, United States Code, is amended--(1) by inserting after paragraph (7) the following:???(7A) ???commercial fishing operation??? means--???(A) the catching or harvesting of fish, shrimp, lobsters, urchins, seaweed, shellfish, or other aquatic species or products of such species; or???(B) for purposes of section 109 and chapter 12, aquaculture activities consi