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Photo#553811
Calanoid Copepods - Epischura lacustris - male - female

Calanoid Copepods - Epischura lacustris - Male Female
Port Severn, Simcoe, Ontario, Canada
July 16, 2011
Size: 2.0 mm
Collected in plankton tow. Female above, male below. A tiny dinoflagellate Ceratium sp. (lower left), by comparison, is about 250μm long.