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Using its adductor muscle to snap its top and bottom shells open and shut, a sea scallop can propel itself through the water.

Cod, wolffish, eel pout, flounder, crabs, lobster, sea turtles, and sea stars feed on juvenile and adult scallops.

Many kinds of pelagic fish and invertebrates eat scallop larvae.

Sea scallops feed by filtering phytoplankton or other small organisms out of the water column, which can actually help to improve water quality by removing suspended materials.

After hatching, scallop larvae remain in the water column for 4 to 6 weeks before settling on the ocean floor.

They also may spawn in the spring, especially in the Mid-Atlantic Bight. Sea scallops usually spawn in late summer or early fall.For this reason, scallops may respond more rapidly to management actions than species that reproduce slowly and in small numbers. They are very fertile-a female sea scallop can produce hundreds of millions of eggs per year.Sea scallops can reproduce by age 2, but don’t produce many eggs or sperm until they are about 4 years old.

The largest scallop ever reported was about 9 inches in shell height, but they typically don’t grow larger than 6 inches.They grow quickly for the first few years of their life.