Scientists found the fourth type of transmissible cancer, and the first in a fish: a melanoma whose tumor cells spread between catfish in a Vermont lake.
A bullhead catfish with melanoma from Lake Memphremagog, Vermont.
Vermont Fish & Wildlife
In 2012 an angler pulled a brown bullhead out of Lake Memphremagog with what looked like tar smeared a… [+8084 chars]
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