The term 'TRAWLER's Haul' refers to the catch of a TRAWLER, which is a type of fishing boat that uses large nets to capture FISH. The crossword solutions for this term are FISH (4 letters), NETFUL (6 letters), NET (3 letters), and SHAD (4 letters). FISH refers to the type of aquatic animal that is typically caught by trawlers, while NETFUL and NET refer to the type of equipment used to capture them. Finally, SHAD is a specific type of FISH that is often caught by trawlers.