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Fish Pathogens

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pale

Renibacterium salmon...
Fish kidney showing white lesions caused by renibacterium.
Fungi and fungus-lik...
Fungal lesion on largescale sucker
Fungi and fungus-lik...
Fungal lesion on largescale sucker
Glochidia (parasitic...
Dissected steelhead trout showing glochidia attached to gills (white spots)
Ceratonova shasta
Fish liver showing pale lesions due to C. shasta infection.
Ceratonova shasta
Fish intestine showing swelling and pale lesions due to C. shasta infection
Koi Herpesvirus (KHV...
KHV damage to gills (white lesions)
Copepods
Sealice and feeding scars on skin of salmon.
Tumor-like lumps
Tumors on lips of adult spring Chinook salmon.
Ichthyophthirius mul...
Small white spots are Ich on the skin of Fall Chinook salmon.
Apiosoma
Signs of Apiosoma: pale patches and spots
Trematodes (flukes...
Metacercariae in body cavity of stickleback.
Trematodes (flukes...
Stickleback with eyes grossly distended due to trematode metacercariae.
Clinostomum (Yellow...
Yellow grub at base of dorsal fin of smallmouth bass.
Glugea
Sculpin with white Glugea cysts.
Dermocystidium
Dermocystidium in gills of Fall Chinook.
Proteocephalus
Visceral adhesions due to Proteocephalus ambloplitis.
Diphyllobothrium (fi...
Diphyllobothrium plerocercoids on gut of fish.
Contracaecum
Contracaecum nematodes in mesenterial membranes of bass.
Glochidia (parasitic...
Larval molluscs (glochidia) on gills of salmon.
Trematodes (flukes...
Bluegill heart with white trematode metacercariae.
Salmincola
Salmincola adults on gills of trout.
Myxobolus squamalis
Skin of fish showing several puckered scales, resulting from development of Myxobolus squamalis cysts in the scale pockets.
Henneguya salminicol...
Fish muscle with white Henneguya salminicola cysts.
Clinostomum (Yellow...
Yellow grub in flesh of bluegill.
Posthodiplostomum (W...
Kidney heavily infected with Posthodiplostomum minimum(pale spots)