![]() ![]() In the late 1980s, lake trout δ 202Hg increased (0.4‰) from regulatory reductions in regional Hg emissions. Through combined Hg, C, and N stable isotopic analyses, we were able to differentiate between a shift in Hg sources to fish and periods when energetic transitions (from dreissenid mussels) led to the assimilation of contrasting Hg pools (2000 to present). ![]() ![]() Additionally, dietary tracers were necessary to identify food web influences. By measuring fish Hg stable isotope ratios, we related temporal changes in Hg concentrations to varying Hg sources. American eels, which may be confused with lamprey, are considered endangered in Ontario and can not possessed or be used as bait regardless of whether they are dead or alive."įor more information on bait and for a list of permitted baitfish, click here.To understand the impact reduced mercury (Hg) loading and invasive species have had on methylmercury bioaccumulation in predator fish of Lake Michigan, we reconstructed bioaccumulation trends from a fish archive (1978 to 2012). "Also, two of Ontario’s lamprey species (silver lamprey and Northern brook lamprey) are provincially rare and listed as Special Concern and are discouraged from being used as dead bait. "It is important to note that not all lamprey in Ontario are invasive, in fact there are five different species of lamprey in Ontario, and all but the Sea lamprey are native," the statement said. The Ministry of Northern Development, Mines, Natural Resources and Forestry said in a statement that, while live lamprey may not be possessed or used as bait for fishing, dead lamprey may be used as bait in Georgian Bay. He said he releases all the big fish he catches. "(It was) right out front of my cabin," Burke said, adding he uses lamprey eel as bait. He caught the event on video when he was fishing Thursday on Georgian Bay. "The muskie was 50 inches long and was released with the pike still in its mouth." "I was fishing pike because muskie is out of season," Burke told CTV News in a message. Jerry Burke, one of the owners of Mill Lake Lodge, said he had a 20-inch pike on his line when it was grabbed by a 50-inch muskie. A Killarney-area angler who was ice fishing recently got a big surprise when he was pulling up a northern pike. ![]()
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