catfish cancer

The quick read

What's driving the attention

A rare transmissible skin cancer has been found spreading among freshwater catfish in Canada and the U.S., causing concern among scientists.

Researchers have discovered a rare and unusual transmissible skin cancer spreading among freshwater catfish in lakes along the Canada-U.S. border, including Lake Memphremagog. This cancer behaves more like a parasite than a typical tumor and has triggered significant scientific investigation due to its contagious nature and potential ecological impact on catfish populations.