Chapter 8
Food Procurement
ANIMALS FOR FOOD - MOLLUSKS
8-9. This class includes octopuses and freshwater and saltwater shellfish such as snails, clams, mussels, bivalves, barnacles, periwinkles, chitons, and sea urchins (Figure 8-1). You find bivalves similar to our freshwater mussel and terrestrial and aquatic snails worldwide under all water conditions.
Figure 8-1. Edible Mollusks
8-10. River snails or freshwater periwinkles are plentiful in rivers, streams, and lakes of northern coniferous forests. These snails may be pencil point or globular in shape.
8-11. In fresh water, look for mollusks in the shallows, especially in water with a sandy or muddy bottom. Look for the narrow trails they leave in the mud or for the dark elliptical slit of their open valves.
8-12. Near the sea, look in the tidal pools and the wet sand. Rocks along beaches or extending as reefs into deeper water often bear clinging shellfish. Snails and limpets cling to rocks and seaweed from the low water mark upward. Large snails, called chitons, adhere tightly to rocks above the surf line.
8-13. Mussels usually form dense colonies in rock pools, on logs, or at the base of boulders.
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CAUTION Mussels may be poisonous in tropical zones during the summer! If a noticeable red tide has occurred within 72 hours, do not eat any fish or shellfish from that water source. |
8-14. Steam, boil, or bake mollusks in the shell. They make excellent stews in combination with greens and tubers.
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CAUTION Do not eat shellfish that are not covered by water at high tide! |
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