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Rare cancer spreading among fish could offer clues to how the disease evolves

Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleScientists have discovered a rare transmissible cancer spreading among brown bullhead catfish in Lake Memphremagog, located between Vermont and Quebec. The cancer cells, described as behaving more like parasites than typical tumors, are malignant melanomas found in a significant percentage of the catfish population. Researchers believe the cancer may spread through physical contact during spawning, potentially via scratches from pectoral fin spines. Elevated levels of arsenic were detected in the cancer cells, with a correlation between arsenic in the surrounding soil and the cancer's geographical distribution. This discovery marks the fourth known transmissible cancer in animals and offers new insights into how cancer metastasizes in the human body. In fullScientists have discovered a rare transmissible cancer between fish — and it could ultimately help humansMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

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