columnaris disease

variants: or less commonly columnaris \ ˌkäləmˈna(a)rə̇s \
plural -es

Definition of columnaris disease

: a highly fatal disease of fingerling trout and salmon especially when concentrated in hatchery ponds that is caused by a myxobacterium (Chondrococcus columnaris)

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History and Etymology for columnaris disease

New Latin columnaris, specific epithet of Chondrococcus columnaris, species causing the disease, from Late Latin, columnar

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Cite this Entry

“Columnaris disease.” Dictionary, Merriam-Webster, Accessed 6 Dec. 2021.

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