A Contagious Cancer Is Spreading Through Catfish in a North American Lake
A team of Vermont researchers has discovered that mysterious black skin lesions afflicting catfish in Lake Memphremagog and other New England and Canadian lakes are caused by a transmissible cancer—the first identified in a freshwater fish species.
11 across the spectrum. Choose a side on the bar to jump to it.
National story. 12 articles from 12 sources. 11 are on the bar; 1 is an international, entertainment or tech outlet, listed separately. Updated Jul 24, 2026.
Left
5 sourcesCenter
6 sourcesA Contagious Cancer Is Spreading Through Catfish in a North American Lake
Transmissible cancer in fish is more like a parasite than a tumor
Transmissible cancer cells discovered in fish act more like parasites than traditional tumors
Right
0 sourcesNo Right coverage yet.
A blind spot on this side of the story.
Other outlets
International, entertainment and tech outlets, by their rating. Not counted in the bar above. How we count coverage
Left
1 articleCenter
0 articlesNone
Right
0 articlesNone