The New International Encyclopædia…
“ The spawning season lasts from October to April, but the eggs of any given female do not all ripen at once. “Impelled by the spawning instinct, the cods seek the shoal waters of the coast or banks in shoals consisting of both sexes.” Here the eggs are extruded, float to the surface, and toss about until they hatch, and the fry escape to become the prey of innumerable foes. It appears, however, that many (some say most) cod void their eggs in deep water, whence they rise and drift toward the shore. The destruction of eggs and young through various agencies must be very large ”
