Transferring the fish to the carrier.
"In 1881-1882 tghe death rate per 1,000 of Scottish fishermen (who do not trawl) was 1.8. The death rate in England was 7.55 yet in non-trawling districts the figure was the same for Scotland.
The one significant factor is...ferrying the catch from trawler to the cutter- "Trunking"...surely the most hazardous undertaking in British Industry." (Fisheries Exhibition Literature 1883 Vol V! pp43-46)