deformity

Myxobolus cerebralis
Fish with spinal deformity and darkened tail due to infection with M. cerebralis.
Myxobolus cerebralis
Rainbow trout infected with M. cerebralis.
Tumor-like lumps
Tumors on lips of adult spring Chinook salmon.
Trematodes (flukes...
Stickleback with eyes grossly distended due to trematode metacercariae.