Page last updated Wed 05 Feb 2020


Image from An Image-Based Key To The Zooplankton Of North America.

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  Family Ergasilidae

Genus Ergasilus

    Species E. chautauquaensis -- North America.
    Species E. arthrosis
    Species E. auritus
    Species E. briani
    Species E. caeruleus
    Species E. celestis
    Species E. centrarchidarum
    Species E. cerastes
    Species E. clupeidarum
    Species E. cotti
    Species E. cyanopictus
    Species E. cyprinaceus
    Species E. elongatus
    Species E. felichthys
    Species E. fryeri
    Species E. funduli
    Species E. gibbus
    Species E. globosus
    Species E. labracis
    Species E. lanceolatus
    Species E. lizae
    Species E. longimanus
    Species E. luciopercarum
    Species E. manicatus
    Species E. megaceros
    Species E. mugilis
    Species E. myctarothes
    Species E. nerkae
    Species E. orientalis
    Species E. rhinos
    Species E. sieboldi
    Species E. tenax
    Species E. turgidus
    Species E. versicolor
    Species E. wareaglei
    Species E. wilsoni

Taxon Information

The Genus Ergasilus has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from North America.

(These statements were generated automatically from the WInvertebrates database.)

Literature Records

  • Ergasilus, "In most species, adult females are ectoparasites of fish, and males and copepodids are planktonic" (Reid & Williamson, 2010).
  • Ergasilus, over 20 species; common parasites of freshwater fish [North America] (Smith, 2001).


  • Reid, J.W. & C.E. Williamson. 2010. Copepoda. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 829-899.
  • Smith, D.G. 2001. Copepoda. Pennak's Freshwater Invertebrates of the United States, 4th edition: 489-517.

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