Gizmodo·3 min read·medium
Scientists Discover the First-Ever Contagious Cancer in Fish
E
Ed Cara
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Scientists have identified a contagious form of cancer affecting brown bullhead catfish in Lake Memphremagog, marking only the fourth known instance of transmissible cancer in animals. Genetic analysis revealed the tumors are genetically similar across different fish, confirming the infectious nature of the disease.
A mysterious cluster of blackened skin lesions affecting catfish in New England turned out to have a stranger cause than anyone would have predicted: a contagious form of cancer.
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