Scallops over one year old, as shown by the formation of the annual growth line, which is caused by cessation of growth during the winter months. Any scallop which does not possess this annual growth line is less than one year old, and is a 'seed' scallop. The present legal definition of a 'seed' scallop is based on the annual growth line, as its absence indicates that the animal has not as yet reached its spawning season, and is, therefor, an immature animal
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