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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.
Contracaecum
Contracaecum nematodes in mesenterial membranes.
Koi Herpesvirus (KHV…
Gill tissue infected with Koi Herpes Virus
Echinorhynch…
Echinorhynchus lageniformis acanthella stage
Salmincola
Salmincola adults on gills of trout.
Prolife…
Swollen kidney (K) in PKD fish
Trichodina
Trichodina.
Echinorhynch…
Female Echinorhynchus lageniformis.
Trypanosomes
Clinostomum (Yel…
Yellow grub at base of dorsal fin of smallmouth bass.
…
RTG-2 cells inoculated with IPNV
Posthodiplo…
White grubs in fresh tissue squash.
Hemoflagellate
Stained blood smear showing hemoflagellates.
Salmincola
Numerous Salmincola copepods on gills of rainbow trout
Trematodes (fluk…
Bluegill heart with white trematode metacercariae (annotated).
Dermocystidium
Dermocystidium cyst
Lernaea (anchor worm…
Trematodes (fluk…
Metacercariae behind eyes of threespine stickleback.
Typical triactinomyxon-type actinospore.
Nanophyetus
Adult Nanophyetus fluke.
Neoechinorhynchus s…
Male Neoechinorhynchus sp.
non-pa…
Grass seed embedded in gill.
Nitzschia sturionis…
Adult trematode from gill of sturgeon.
Trematodes (fluk…
Bluegill with trematode metacercaria (arrowed) in its kidney.
Myxobolus kisutchi…
Myxobolus kisutchi myxospores.
…
Amoeba.
…
Steelhead trout with bacterial lesions.
Bacteria
Flavobacterium (thin filaments) adhering to gill epithelium.
Neoechinorhynchus s…
Male Neoechinorhynchus sp.
Aeromonas salmonic…
Red patches caused by Aeromonas infection.
White Sturgeon…
Gill tissue infected with virus
Ichthyophonus
Histological image showing muscle tissue infected with ichthyophonus.
Infec…
Loma
Loma cysts in gill tissue.
Camallanus
Distinctive mouthparts of Camallanus nematode.
Gloch…
Dissected steelhead trout showing glochidia attached to gills (white spots)
Ichthyobodo
Ichthyobodo in Chinook gill section.
Nanophyetus
Nanophyetus metacercaria in fresh tissue squash.
Sanguinicola
Sanguinicola blood fluke miracidium
Myxobolus squamalis…
Micrograph showing crushed Myxobolus squamalis cyst, containing many mature myxospores.
Proteocephalus
Proteocephalus plerocercoid.
Apophallus brevis
Apophallus metacercaria.
EIBS
Stained blood smear showing characteristic EIBS inclusion bodies.
Echinochasmus
Developing Echinochasmus in gills of Oregon chub.
Sanguinicola
Adult sanguinicolid fluke.
Trematodes (fluk…
Fresh tissue squash reveals trematode metacercaria (marked).
Apiosoma
Signs of Apiosoma: pale patches and spots
Ambiphrya
Ambiphrya on head of fish.
Ichthyo…
Heavy infestation of Ichthyophthirius.
Mycobacterium mari…
Tissue section showing mycobacterium lesion in sculpin.

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