Skip to main content
Fish Pathogens

Main navigation

  • Image Galleries
  • Pathogens
    • 10 Common Pathogens
    • What's That Spot?
  • Ask an Expert
  • FAQ
  • Search
User account menu
  • Log in

Primary tabs

  • Common Pathogens
  • All Pathogens
  • Hosts
  • Field Sites
  • Videos
  • Contributed

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.
Ceratonova shasta
Fish intestine showing swelling and pale lesions due to C. shasta infection
Trematodes (fluk…
Trematode metacercariae.
Myxobolus cerebrali…
Fish with spinal deformity and darkened tail due to infection with M. cerebralis.
Loma
Loma cyst in gill filament.
Myxobolus cerebrali…
Rainbow trout infected with M. cerebralis, showing characteristic black tail.
Cilliates
Cilliates
Tumor-like lumps
Tumors on lips of adult spring Chinook salmon.
Myxobolus cerebrali…
Pansporocysts of M. cerebralis actinospores developing in gut wall of worm host.
White Sturgeon…
Gill tissue infected with virus
Microsporidian spores.
Prolife…
Swollen kidney (starred) due to PKD
Diphyllob…
Diphyllobothrium plerocercoids on gut of fish.
Hexamita
Hexamita in stained skin smear
Myxobolus sp.
Myxobolus myxospore.
Edwardsiella ictal…
Liver hepatocellular necrosis caused by E. ictaluri
Vibrio
Blue eye - characteristic of Aeromonas infection (Furunculosis).
Prolife…
Swollen kidney (K) in PKD fish
Anisakis
Anisakis simplex nematode.
Aca…
Adult acanthocephalans dissected out of fish host.
Mycobacterium mari…
Tissue section showing mycobacterium lesion in sculpin.
EIBS
Stained blood smear showing characteristic EIBS inclusion bodies.
Ichthyobodo
Ichthyobodo on gill filament.
Trematodes (fluk…
Trematode metacercariae .
White Sturgeon…
Kidney tissue infected with virus
Trematodes (fluk…
Trematode metacercariae within gill filaments.
Dermocystidium
Dermocystidium in gills
Nanophyetus
Nanophyetus metacercaria in fresh tissue squash.
Ichthyo…
Single whitespot parasite.
Trematodes (fluk…
Trematode metacercarium in gills.
Ceratonova shasta
Fish liver showing pale lesions due to C. shasta infection.
Nanophyetus
Metacercaria of Nanophyetus and an unknown trematode in fresh tissue squash.
Trematodes (fluk…
Trematode metacercaria in gills.
Phyllobothrium
Anterior (head) end of adult Phyllobothrium sp. cestode.
Myxobolus kisutchi…
Myxobolus kisutchi myxospores.
Echinochasmus
Developing Echinochasmus in gills of Oregon chub.
Copepods
Adult Lepiophtherius on fish skin.
Ambiphrya
Ambiphrya cilliates on gills.
EIBS
Stained blood smear showing characteristic EIBS inclusion bodies.
Mycobacterium mari…
Mycobacterial lesion in liver.
Ceratonova shasta
Tissue section showing Ceratomyxa shasta myxospores developing in intestinal wall.
Trematodes (fluk…
Tissue section showing a trematode metacercaria in steelhead gill filament.
Aca…
Anterior end of acanthocephalan.
Bacteria
Bacterial lesion on side of trout.
Ceratonova shasta
Ceratomyxa shasta myxospores developing in intestinal wall.
Trichodina
Trichodina.
Glugea
Glugea xenomas in kidney
Loma
Loma cyst in gill filament.
Cilliates
Cilliate showing lines of cillia (hairs)
non-pa…
Grass seed that was embedded in bass gill.
…
Inflamed kidney (at left) due to BKD.

Pagination

  • 1
  • Next page
RSS feed

Footer

  • Data Collection
  • Disclaimer