The commercial catch is no longer herring but has been replaced by cod, haddock, and other fish caught within 12 mi of the coast.
en.wikipedia.org Fish that are processed by a fish company include cod, hake, haddock, tuna, herring, mackerel, salmon and pollock.
en.wikipedia.org Haddock is most commonly found at depths of 40to133m ft, but has a range as deep as 300m ft.
en.wikipedia.org In the mid 19th century the fishing was at its height, which, over years, has included cod, haddock, salmon, herring and shellfish.
en.wikipedia.org His own favourite recording in the archive he created was of the mating call of the haddock.
en.wikipedia.org