Docking report manual quide Docking report manual : quide to fouling organisms and instructions regarding the docking report dockingreportman00unit Year: 1942 Fig. U. Mussels (Mollusks). MOIXUSKS (Shellfish or Bivalves) This group includes the familiar edible clams, oysters, and mussels (fig. 4) . All of the forms important in fouling are characterized by having paired or 'tvo-valved' shells. They are general- ly attached to the hull at the region of the hinge of this double shell. Very many shapes are found, but all are characterized by this paired hinged shell, a structure not found in an
Docking report manual quide Docking report manual : quide to fouling organisms and instructions regarding the docking report dockingreportman00unit Year: 1942 Fig. U. Mussels (Mollusks). MOIXUSKS (Shellfish or Bivalves) This group includes the familiar edible clams, oysters, and mussels (fig. 4) . All of the forms important in fouling are characterized by having paired or 'tvo-valved' shells. They are general- ly attached to the hull at the region of the hinge of this double shell. Very many shapes are found, but all are characterized by this paired hinged shell, a structure not found in any other group of fouling organisms. Mollusks may grow to a large size, and since they may become attached to other Mollusks which in turn are attached to the hull, they frequently build up a large bulky mass of fouling. 14
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