Ergasilus | definition of Ergasilus by Medical dictionary
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a miniature crustacean of the subclass Copepoda.
found as parasites on the gills of many freshwater fish causing impairment of the respiration, growth and sexual maturation. Heavy infestations can kill the host fish.
References in periodicals archive
Copepod parasites of freshwater fish: Ergasilus
, Achtheres, and Salmincola.
lepisostei Lepisosteus Skin Bangham & platostomus Venard, 1942 Ergasilus
caeruleus Micropterus Gills Venard, salmoides 1940 E.
The parasitic copepod Ergasilus
caeruleus occurred in low abundance on the gills of 18 percent of the host fish, and a single Achtheres sp.