Identification Tools
The following are pathogens that threaten Nebraska’s native species.
Click any photo below to learn more about these pathogens and what you can do to help.
Established

Chytrid Fungus
Batrachochytrium dendrobatidis
A fungus that infects amphibians in their keratin containing skin layers.
Potential

Heterosporosis
A parasite that infects and degrades muscle tissue of yellow perch and other fish species. It creates thick sporophorocysts, in which spores develop.
Potential

Largemouth Bass Virus
Most bass with LBV will appear completely normal. In some cases, dying fish will be near the surface and have trouble swimming.
Potential

Thousand Cankers Disease of Walnut Trees
Geosmithia morbida
Fungus kills localized areas, causing branch dieback.
Potential

Viral Hemorrhagic Septicemia (VHS)
Novirhabdovirus sp.
Fish will show widespread hemorrhages (bleeding) throughout the body
Potential

Whirling Disease
Myxobolus cerebralis
This parasite prevents the fish from foraging for food and evading predators, resulting in death.