Brown bullhead catfish melanoma identified as novel transmissible cancer

Researchers have discovered that melanomas in brown bullhead catfish are a new type of transmissible cancer, capable of spreading between individuals. This adds to a short list of known transmissible cancers, which includes those in Tasmanian devils and dogs. The finding broadens understanding of how cancers can evolve to spread across hosts and may have implications for cancer biology and aquatic species conservation.

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