Captain Haddock Captain Haddock as a permanent addition to the cast. Hergé introduced Captain Haddock in "The Crab with the Golden Claws" as the rum-loving captain of the "Karaboudjan", a merchant vessel used— without Haddock's knowledge— by his first mate Allan for smuggling drugs inside crab tins. Because of his alcoholism and temperamental nature, his character was weak and unstable, at times posing as great a hazard to Tintin as the villains of the piece. He was also short-tempered, given to emotional expletive-ridden outbursts, and capable of infuriating behaviour; at one point he even attacks Tintin when, while traversing the Moroccan desert,
Haddock an important prey for larger demersal fish, including other gadoids, while seals prey on the larger fish. The recorded growth rates of haddock underwent significant change over the 30 to 40 years up to 2011. Growth has been more rapid in recent years, with haddock attaining adult size much earlier than was noted 30-40 years ago. However, the degree to which these larger, younger fish contribute to reproductive success of the population is unknown. The growth rates of haddock, however, have slowed in recent years. There is some evidence which indicates that these slower growth rates may be the result