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Hakes Grenadiers Cods and Relatives: Gadiformes

Behavior And Reproduction

Many grenadiers, hakes, cods, and their relatives travel with the changes of seasons to reproduce or to find important prey. Some of these fishes stop feeding during spawning season. Most grenadiers, hakes, cods, and their relatives release masses of eggs into the open water, and the eggs are fertilized (FUR-teh-lyzed), or penetrated by sperm to start development, outside the body.


The Vikings crossed the Atlantic Ocean in pursuit of cod. In medieval times the Basques, people from an area between Spain and France, turned cod into a commercial product. Cape Cod, Massachusetts, was named in honor of the cod in 1602. Cod have been the cause of wars between countries from American colonial times to a twentieth-century conflict between Iceland and Great Britain. Newfoundland, Canada, was settled by Irish and English natives in the early eighteenth century, largely because of opportunities for cod fishing. Throughout most of the nineteenth century, cod fishing was the most important source of employment and income for people in eastern Canada.

Additional topics

Animal Life ResourceFish and Other Cold-Blooded VertebratesHakes Grenadiers Cods and Relatives: Gadiformes - Physical Characteristics, Habitat, Behavior And Reproduction, Grenadiers, Hakes, Cods, Their Relatives, And People - GEOGRAPHIC RANGE, DIET, CONSERVATION STATUS