, Volume 6, Issue 4, pp 431-435

The reproductive cycle of the bay scallop, Argopecten irradians irradians (Lamarck), in a small coastal embayment on Cape Cod, Massachusetts

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The spawning activity of the bay scallop Argopecten irradians irradians (Lamarck) was monitored from May through September in a small embayment on Cape Cod, Massachusetts and compared with changes in hydrographic conditions. Spawning activity of bay scallops began in May and continued through July with some minor activity occurring during August and September. Activity was most closely related to changes in ambient temperature and occurred predominantly before the summer maximum temperature was recorded. As temperatures declined in the late summer and early fall, increased gametogenic activity was evident. A longer period of spawning activity was observed than was previously reported for New England waters.

Woods Hole Oceanographic Institution Contribution No. 4946.