Hatchery-reared juvenile sea scallops Placopecfen magellanicus (mean shell height = 22.2 +
0.1 mm) were grown uncontained on the seabed (5-9 m depth) and suspended in pearl nets (3 m
above the seabed) at three sites (Site 1, 2 and 3) in Lunenburg Bay, N. S., Canada, between March
1992 and March 1993. Shell and tissue growth rates reached their peak in mid-summer and
decreased t