Zooplankton from Massachusetts Bay. Top Calanus finmarhicus from 30-0 meters.
Bottom: dominated by Sagitta elegans from 80 meters. Striking example of
vertical stratification.
Image ID: fish5584, NOAA's Historic Fisheries Collection Location: Massachusetts Bay Photo Date: 1950 Circa Credit: NOAA Central Library Historical Fisheries Collection; Fish and Wildlife Service
