Cyclops strenuus (Fisher) is a common species of copepod in small water bodies in central Europe.

[2] The life-cycle of C. strenuus varies depending on habitat type and climate.

[3][4] During diapause copepodid IV resting stages are produced that are largely inactive.

During autumn, with a change in environmental conditions, resting stages become more active again and develop further into adult copepods.

When infected with this parasite reproduction of female C. strenuus is significantly reduced [6] This copepod-related article is a stub.