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Copepods

Distinguishing Features: They have a pair of long antennae, a torpedo shaped body, they carry eggs that look like sacks of grapes, and have one tiny eye that's often red.

Size: 1-5mm long

Swimming Behavior: Hop-like motion using antennae

Diet and Feeding: Consume phytoplankton, other zooplankton (rotifers and cladocerans), and other floating material (pollen, detritus, bacteria, larvae) using legs to grasp food.

Reproduction: Sexual; They go through 12 molts: 6 in the nauplii stage and 6 in the copepodid stage.

Fun Facts: Males have bent antennae where females have straight ones, cyclopoids carry two egg sacks where calanoids carry one.

  • Diaptomus ashlandi

  • Mesocyclops edax

  • Cyclops bicuspidatus thomasi

  • Acanthocyclops vernalis

  • Eucyclops agilis

  • Eurytemora affinis

  • Tropocyclops prasinus m.

  • Diaptomus minutus

  • Diaptomus oregonensis

  • Diaptomus sicilis

  • Diaptomus siciloides

  • Epischura lactustris

  • Limnocalanus macrurus

  • Senecella calanoides 

What you might see under the microscope because they appear different when they're on their side versus their back.

Taxonomic Groups Observed in Seneca Lake:

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