Description:
Eight grazers: the protists, Polykrikos kofoidii (Dinoflagellata) and Tiarina fusus (Ciliophora) the bivalve molluscs, Mytilus edulis and Mya arenaria (Mollusca), the ascidians, Molgula manhattensis and Botrylloides violaceus (Chordata), and the copepod, Eurytemora herdmani, and Acartia hudsonica (Arthropoda)