Haddock Haddock is commonly found in Faxaflói Bay, playing an important role in local fisheries and as a prey species for marine mammals. Image Key Facts Scientific Name Melanogrammus aeglefinus Family Gadidae IUCN Status Vulnerable Length 30-90cm Weight 0.9-3.1kg Depth Range 10-450m Diet Crustaceans, Mollusks and occasionally Herring Lifespan 3-10 years Predators Grey Seals, Spiny Dogfish, Cod, Pollock