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Herring: (Clupea
harengus) can be found at depths down to 200 meters in the North Sea
and along the borders of the Atlantic Ocean. The Herring can be divided
in different populations, which are mainly distinguished by size of the
fish, rate of growth and migration routes. The spawning takes place in
August-September, and in December. A single female produces
20.000-50.000 eggs. After spawning, the low-fat herring migrates back to
grounds that are richer in plankton. It starts feeding again in
April-May. The 'Dutch-matjes herring' (or green herring) is caught
during May-July. This fish is sold all through the year. |
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