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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.
Ichthyo…
Ichthyophthirius under phase contrast illumination.
Gloch…
Larval molluscs (glochidia) on gills of salmon.
Apiosoma
Signs of Apiosoma: pale patches and spots
Trematodes (fluk…
Trematode metacercaria (black spot) in fin of sucker.
White Sturgeon…
Gill tissue infected with virus
…
Gills showing fuzzy margins associated with BKD
Myxobolus cerebrali…
Pansporocysts of M. cerebralis actinospores developing in gut wall of worm host.
Loma
Loma cysts in gill tissue.
Nanophyetus
Nanophyetus metacercaria in fresh tissue squash.
Echinorhynchus gadi…
Proboscis of Echinorhynchus gadi.
Myxobolus cerebrali…
Pansporocysts of M. cerebralis actinospores developing in gut wall of worm host.
Aeromonas salmonic…
Red patches caused by Aeromonas infection.
Ichthyo…
Single whitespot parasite.
Nanophyetus
Thousands of black Nanophyetus metacercaria on surface of kidney.
…
RTG-2 cells inoculated with IPNV
Neoechinorhynchus s…
Female Neoechinorhynchus sp. with eggs.
Salmincola
Salmincola adults on gills of trout.
Eustrongylides
Eustrongylides nematode emerging from cut in side of stickleback.
Gloch…
Dissected steelhead trout showing glochidia attached to gills (white spots)
Tumor-like lumps
Tumor from coho salmon.
Trematodes (fluk…
Bluegill heart with white trematode metacercariae.
Ichthyobodo
Ichthyobodo in fish skin smear.
Ichthyobodo
Ichthyobodo on gill filament.
Copepods
Adult Lepiophtherius on fish skin.
Infec…
Clinostomum (Yel…
Clinostomum metacercaria after emerging from the fish host.
Dactylogyrus
Dactylogyrus on gill filaments.
Myxobolus cerebrali…
Healthy rainbow trout (top) compared with those infected with M. cerebralis.
Mycobacterium mari…
Mycobacterial lesion in liver.
Microsporidian cysts on ventral surface of sculpin.
Dactylogyrus
Dactylogyrus on gill filaments.
EIBS
Stained blood smear showing characteristic EIBS inclusion bodies.
…
Renibacterium visible in histological section.
…
Inflamed kidney (at left) due to BKD.
Copepods
Adult sea lice on fish skin.
Dermocystidium
Dermocystidium in cysts
Crepidostomum
Adult Crepidostomum fluke.
…
Spleen damaged by Yersinia ruckeri infection.
Oncorhynchus ma…
Clinical signs of OMV
Hemoflagellate
Stained blood smear showing hemoflagellates.
Myxobolus squamalis…
Skin of fish showing several puckered scales, resulting from development of Myxobolus squamalis cysts in the scale pockets.
Posthodiplo…
High magnification view of liver squash showing heavy infestation of white grub.
Myxobolus kisutchi…
Myxobolus kisutchi myxospores.
Posthodiplo…
White grubs in fresh tissue squash.
Philonema
A mass of adult Philonema nematodes.
Diphyllob…
Diphyllobothrium plerocercoids on gut of fish.
Posthodiplo…
Kidney heavily infected with Posthodiplostomum minimum(pale spots)
Mycobacterium mari…
Acid fast stain of mycobacterium.
Nanophyetus
Adult Nanophyetus fluke.
Copepods
Sealice feeding on skin of trout.

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