The flavor of steamed mussels is reason enough to enjoy the delicacy of the sea. If you need one more: A pound provides a third of daily needs for iron.
You find Blue mussels at 0 to 10 meters depth along the Norwegian coast. They feed on phytoplankton. Mussels spawn usually between April and June, when the water temperature is between eight and ten degrees. The fertilized eggs develop into larvae that swim freely for about a month until they attach themselves to surfaces of rocks, cliffs, boats and moorings.
Size up to 10-15 cm, and longevity; 20 years or more.