Captain Haddock with his characteristic temper somewhat inspired by Tintin colourist E.P. Jacobs and his bluffness drawn from Tintin artist Bob de Moor. Harry Thompson has commented on how Hergé utilised the character to inject humour into the plot, notably "where Haddock plays the fool to smooth over a lengthy explanation." Captain Haddock is especially notable in "The Red Sea Sharks", where his skillful captaining of the ship he and Tintin seize from Rastapopoulos allows them to survive until they are rescued, and is especially noble in the pivotal "Tintin in Tibet", volunteering to sacrifice his life to save Tintin's own. By
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