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 (Yellow Grub)
Clinostomum_03.jpg
Diphyllobothrium (fish tapewo...
Diphyllobothrium plerocercoids on gut of fish.
Henneguya salminicola
Fish muscle with white Henneguya salminicola cysts.
Ichthyophthirius multifiliis...
Small white spots are Ich on the skin of Fall Chinook salmon.
Lepeophtheirus salmonis
Adult sea lice on fish skin.
Lingula intestinalis
Numerous adult Lingula.
Myxobolus cerebralis
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).
Posthodiplostomum (White Grub...
Bluegill with heavy infection of white grub in its liver.