I don't know if using exports is anywhere near the industry totals.
According to NOAA, in regards to US totals[1]:
"Overall, the highest value U.S. commercial species were salmon ($688 million), crabs ($610 million), lobsters ($594 million), shrimp ($531 million), scallops ($512 million), and Alaska pollock ($413 million)."
Most trawlers are owned by small businesses. They have very little lobbying power compared to the massive multinational agricultural conglomerates that control pork and poultry. JBS in particular is enormous, it owns almost a third of global pork processing through it's subsidiaries.
According to NOAA, in regards to US totals[1]:
"Overall, the highest value U.S. commercial species were salmon ($688 million), crabs ($610 million), lobsters ($594 million), shrimp ($531 million), scallops ($512 million), and Alaska pollock ($413 million)."
[1]https://www.noaa.gov/media-release/american-seafood-industry...