Sometimes called the vampire of the lakes, sea lamprey latch to the body of a fish and use their razor-like tongues to rasp a hole through the scales and skin so they can feed on blood and other fluids.
THUNDER BAY — Lakehead Region Conservation Authority staff have a new assignment this year – helping to determine the status of the sea lamprey population in Lake Superior's tributaries.
Michelle Willows, environmental planner for the conservation authority, said the research contributes to the development of population estimates. Canada and the U.S. manage the Great Lakes lamprey population, largely by periodically applying a chemical to streams to eliminate the larvae before they develop their sharp-toothed, suction-cup mouths and migrate to lakes to look for fish.
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