How does the Atlantic oyster drill reproduce?
Atlantic oyster drills spawn throughout the summer. They lay capsule-like eggs, which are held to rocks, reefs or pilings by thin stems. Larvae crawl from the eggs within six to eight weeks. Other facts about the Atlantic oyster drill: • Predation by Atlantic oyster drills has seriously impacted oyster beds in parts of the lower Bay. Oyster drills are not as much of a threat to oysters in the upper Bay because the drills cannot survive in low-salinity waters.
