Vermont has suspended the application of lampricide to control sea lamprey (Petromyzon marinus) in streams surrounding Lake Champlain, according to this article from WCAX news. On the other side of the lake, New York is proceeding with a similar program, but some Vermont state officials are concerned about the chemical composition of the lampricide, 3-trifluoromethyl-4-nitrophenol (TFM), which was reformulated this year. Treatment, if it does occur, is now at least one year away. It is unclear whether sea lamprey, which spawn in fresh water, are native to Lake Champlain or the Great Lakes, but these parasitic fish are generally unwelcome.
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