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All Pathogens

These are all of the pathogen images in our database. 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.
Sanguinicola
Sanguinicola blood flukes in blood vessels of gills.
Ichthyophonus
Ichthyophonus growing in dead host tissue.
Flav…
Gill necrosis due to Columnaris
…
Steelhead trout with bacterial lesions.
Edwardsiella ictal…
High magnification view of necrosis caused by E. ictaluri
Ambiphrya
Ambiphrya
Aeromonas salmonic…
Red patches (furunculosis) caused by Aeromonas infection.
Proteocephalus
Proteocephalus plerocercoid.
Myxobolus squamalis…
Myxobolus squamalis cyst under fish scale.
Nanophyetus
Nanophyetus metacercaria in fresh tissue squash.
Neoechinorhynchus s…
Male Neoechinorhynchus sp.
Gloch…
Dissected steelhead trout showing glochidia attached to gills (white spots)
Sanguinicola
Sanguinicola blood fluke miracidium
…
Renibacterium visible in histological section.
Sanguinicola
Sanguinicola blood flukes in blood vessels of gills.
Echinochasmus
Developing Echinochasmus in gills of Oregon chub.
White Sturgeon…
Gill tissue infected with virus
Trematodes (fluk…
Tissue section showing a trematode metacercaria in steelhead gill filament.
Henneguya salminic…
Fish muscle showing numerous white cysts of Henneguya salminicola.
Trematodes (fluk…
Metacercariae behind eyes of threespine stickleback.
Microsporidian spores.
Trematodes (fluk…
Trematode metacercariae .
Dermocystidium
Dermocystidium in gills
…
Light micrograph of plaque caused by IHN virus.
Gyrodactylus
Adult Gyrodactylus.
Dermocystidium
Dermocystidium in gills of Fall Chinook.
Trypanosomes
Gloch…
Larval mollusc (glochidium) on gills.
Sanguinicola
Adult sanguinicolid fluke.
…
Spleen damaged by Yersinia ruckeri infection.
…
Fish kidney showing white lesions caused by renibacterium.
Myxobolus kisutchi…
Myxobolus kisutchi myxospores.
Copepods
Sealice and feeding scars on skin of trout.
Gloch…
Mollusc glochidia on gills of steelhead trout.
Apiosoma
Signs of Apiosoma: pale patches and spots
Copepods
Adult sea lice on fish skin.
Dermocystidium
Dermocystidium in gills
Aeromonas salmonic…
Red patches caused by Aeromonas infection.
Clinostomum (Yel…
Yellow grubs in flesh.
Clinostomum (Yel…
Clinostomum metacercaria after emerging from the fish host.
…
Inflamed kidney (at left) due to BKD.
Henneguya salminic…
Henneguya myxospores.
Trematodes (fluk…
Trematode metacercaria in gills.
Trematodes (fluk…
Fish with eyes distended by the presence of trematode metacercaria.
Echinorhynch…
Male Echinorhynchus lageniformis.
Lernaea (anchor worm…
Bacteria
Flavobacterium (thin filaments) adhering to gill epithelium.
Neoechinorhynchus s…
Male Neoechinorhynchus sp.
Ambiphrya
Ambiphrya cilliates on gills.
…
RTG-2 cells inoculated with IPNV

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