Northern Pikeminnow

Ptychocheilus oregonensis (Richardson 1836)

are host of

• Global Biotic Interactions: Dactylogyrus tridactylus Monaco & Mizelle 1955
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Dactylogyrus tridactylus Monaco & Mizelle 1955
• Global Biotic Interactions: Neascus ptychocheilus
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Cercaria ptychocheilus
• Global Biotic Interactions: Cercaria ptychocheilus
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Dactylogyrus tridactylus Monaco & Mizelle 1955
• Global Biotic Interactions: Dactylogyrus columbiensis Monaco & Mizelle 1955
• Global Biotic Interactions: Dactylogyrus tridactylus Monaco & Mizelle 1955
• Global Biotic Interactions: Multivitellina idahoensis Schell 1974
• Global Biotic Interactions: Rhabdochona pellucida
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Edlintonia ptychocheila Mackiewicz 1970
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Edlintonia ptychocheila Mackiewicz 1970
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Edlintonia ptychocheila Mackiewicz 1970
• Global Biotic Interactions: Edlintonia ptychocheila Mackiewicz 1970
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Eubothrium tulipai Ching & Andersen 1983
• Global Biotic Interactions: Palaeorchis problematicus
• Global Biotic Interactions: Palaeorchis problematicus
• Global Biotic Interactions: Ichthyocotylurus platycephalus (Creplin 1825) Odening 1969
• Global Biotic Interactions: Ichthyocotylurus platycephalus (Creplin 1825) Odening 1969
• Global Biotic Interactions: Eubothrium salvelini (Schrank 1790) Nybelin 1922
• Global Biotic Interactions: Ichthyocotylurus platycephalus (Creplin 1825) Odening 1969
• Global Biotic Interactions: Raphidascaris acus
• Global Biotic Interactions: Ligula intestinalis (Linnaeus 1758) Gmelin 1790
• Global Biotic Interactions: Allocreadium lobatum Wallin 1909
• Global Biotic Interactions: Allocreadium lobatum Wallin 1909
• Global Biotic Interactions: Allocreadium lobatum Wallin 1909
• Global Biotic Interactions: Allocreadium isoporum (Looss 1894) Looss 1900
• Global Biotic Interactions: Schyzocotyle acheilognathi (Yamaguti 1934) Brabec, Waeschenbach, Scholz & Lit (Asian fish tapeworm)
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974
• Global Biotic Interactions: Nezpercella lewisi Schell 1974