My observations motivated a visit to the CZM MORIS website where species maps can be created for MIS species in previous years. Confirming my previous observations, sighting of Caprella mutica decreased at different moriting sites from Narragansett Bay to Wells, Maine.
Massachusetts Office of Coastal Zone Management (CZM): Home page
CZM - Aquatic Invasive Species (AIS) Program
WILD Shores of Singapore: Workshop on Bryozoans and Hydroids: 29 April- 4 May, 2013. "Tiny skeleton shrimps are commonly seen on some hydroids!"