Total Spawning
Figure 2. Total spawner, Atlantic herring (Clupea harengus). Atlantic herring lay eggs on the benthic substrate in marine waters of the North Atlantic Ocean and adjacent seas, such as the Baltic. They mature after several years and females spawn all their eggs in a single, continuous event. Although spawning occurs in only a few months at each location, across all herring spawning areas of the North Atlantic, at least one population spawns in every month of the year.

Reference: Stevenson and Scott (2005)

Reproductive cycle is immature, developing, ripe, running ripe, spent, and resting. Fish begin developing again after the resting phase.


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