Captain Haddock since creating Tintin." Sales of the volume in which Haddock was introduced indicated the character was well received. After a fairly serious role in "The Shooting Star", where he has risen to become the President of the Society of Sober Sailors (replete with a cabin full of rum), Haddock takes a more central role in the next adventure, split over two books, "The Secret of the Unicorn" and "Red Rackham's Treasure"— indeed, his family history drives the plot. Upon locating the treasure, the newly wealthy Haddock retires. Hergé built the next adventure around Haddock, furnishing the character with an ancestral
Haddock beneath the cod's gill cover until it releases a new generation of offspring into the water. Reaching sizes up to , haddock is fished year-round. Some of the methods used are Danish seine nets, trawlers, long lines and fishing nets. The commercial catch of haddock in North America had declined sharply in recent years, but is now recovering, with recruitment rates running around where they historically were from the 1930s to 1960s. In the eastern Atlantic haddock is mainly exploited by mixed fisheries, being targeted with cod and whiting, especially by light trawlers from Scottish ports as well as seiners