Collected: Narragansett Bay, Rhode Island, 1/15/03
Notes: Acartia hudsonica is common in winter/spring in higher salinities from New England to the mid-Atlantic. It is replaced by A. tonsa as waters warm.
ID Note: compare the urosome (below) to that of other Acartia species
BELOW: Acartia hudsonica (urosome)
Collected and identified by Barbara Sullivan, University of Rhode Island.
Photographed by: Ashley Cooper, Goucher College