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What's that spot? – Other Abnormalities

swelling

…
Small fish with BKD.
…
Inflamed kidney (at left) due to BKD.
Tumor-like lumps
Tumors on lips of adult spring Chinook salmon.
Bacteria
Bacterial lesion on side of trout.
Trematodes (flukes & g…
Stickleback with eyes grossly distended due to trematode metacercariae.
Ceratonova shasta
Juvenile rainbow trout showing signs of C. shasta infection.
none
Stomach distended by fish it has eaten.
Eustrongylides
Eustrongylides nematode visible in side of stickleback.
Trematodes (flukes & g…
Bluegill with trematode metacercaria (arrowed) in its kidney.
Schistocephalus solidus…
Several adult threespine sticklebacks with the Schistocephalus flukes that have been dissected out of them.
Myxobolus squamalis
Skin of fish showing several puckered scales, resulting from development of Myxobolus squamalis cysts in the scale pockets.
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