Common Pathogens

These are some of the more common macroscopic pathogens found on Oregon fishes. Click a pathogen name to jump to the pathogen info page. Click an image to enlarge it, then use the left and right arrows to browse.
Clinostomum (Yel…
Clinostomum_03.jpg
Diphyllob…
Diphyllobothrium plerocercoids on gut of fish.
Henneguya salminic…
Fish muscle with white Henneguya salminicola cysts.
Ichthyo…
Small white spots are Ich on the skin of Fall Chinook salmon.
Lepeophtheirus s…
Adult sea lice on fish skin.
Lingula intestinali…
Numerous adult Lingula.
Myxobolus cerebrali…
Rainbow trout infected with M. cerebralis, showing characteristic black tail.
Nanophyetus
Nanophyetus metacercaria (black spots) on ventral surface of fish.
Neascus
Comparison of normal fish (top) and fish infected with Neascus (bottom - spots).
Posthodiplo…
Bluegill with heavy infection of white grub in its liver.