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News stories tagged with "fish"

Natural Selections: Round Goby

The Round Goby followed its Caspian/Black Sea neighbor, the zebra mussel, into the St. Lawrence River and Great Lakes around 1990. It is displacing its less aggressive local relative, the sculpin, and harming populations of game fish. On the other hand, it eats zebra mussels. Dr Curt Stager and Martha Foley talk about the downs and ups of invasive species, and efforts to slow their spread into American waters.  Go to full article
Red-breasted Mergansers<br />dead of Type E Botulism on Lake Erie, 1999. Photo by I.K. Barker
Red-breasted Mergansers
dead of Type E Botulism on Lake Erie, 1999. Photo by I.K. Barker

Profs Troll for Botulism Cause

Two Clarkson University professors are trying to determine what causes a potentially fatal disease in birds and fish. Earlier this month, two dead seagulls in Cape Vincent tested positive for Type E Botulism. It was the first time the disease was identified on the St. Lawrence River. Botulism can harm humans who eat birds or fish poisoned with the toxin. David Sommerstein spoke with Tom Langen, a biology professor at Clarkson. He and colleague Michael Twiss are testing dead birds and fish on the St. Lawrence. Type E Botulism first showed up in the Great Lakes in 1998. Langen's hypothesis is that it's tied to invasive species like the round goby and zebra and quagga mussels.  Go to full article

Botulism Killing Birds on St. Lawrence, Lake Ontario

State environment officials are investigating the deaths of sea birds in the Thousand Islands area of the St. Lawrence River and along the shore of Lake Ontario. The DEC says bird carcasses tested earlier this month showed contamination with type E botulism. As Brian Mann reports, the disease can harm humans who eat birds of fish poisoned with the toxin.  Go to full article

People, Places, Things: A Fishpond in the Adirondacks

Every so often during The 8 O'Clock Hour, we'll introduce you to a North Country resident. It could be your neighbor or a friend--someone with an odd job or a story to tell. Today, we visit a teenager and his fishpond in Ray Brook.  Go to full article

Mercury Rule's Impact on Great Lakes Fish

The U-S Environmental Protection Agency has a new rule to reduce mercury emissions from coal-burning power plants. But it might mean higher concentrations of mercury in fish in some inland lakes. The Great Lakes Radio Consortium's Lester Graham reports.  Go to full article

Mercury Levels Up in St. Lawrence Fish

Troubling levels of mercury have been found in some St Lawrence river fish popular with anglers. Environmentalists say that coal-fired plants in the Midwest are to blame. Greg Warner reports.  Go to full article

Carp Barrier Clears Another Hurdle

Two federal agencies say they've worked out safety problems that might've caused delays at a new electric barrier designed to keep Asian carp out of the Great Lakes. The Great Lakes Radio Consortium's Chuck Quirmbach reports.  Go to full article
With its ability to breathe out of water and wriggle its way over land during dry spells, the media has dubbed the northern snakehead "Frankenfish."  (Photo courtesy of USGS)
With its ability to breathe out of water and wriggle its way over land during dry spells, the media has dubbed the northern snakehead "Frankenfish." (Photo courtesy of USGS)

Invasive Fish Rears Ugly Head in Great Lakes

Last month, a Chicago fisherman caused a stir when he found a northern snakehead fish. The discovery set off a frantic search to find out if yet another invasive species is threatening the Great Lakes. The Great Lakes Radio Consortium's Jenny Lawton reports.  Go to full article

Doctors Publish Fish Buying Guide

Last month, the Federal Advisory Panel re-evaluated the food pyramid. The panel's now saying Americans should increase the amount of fish they eat to two servings a week. But sorting through the various recommendations on how to avoid some contaminants in fish can be tricky. The Great Lakes Radio Consortium's Lisa Ann Pinkerton reports on a group of doctors, who say their new guide will help clarify the concern about mercury in fish.  Go to full article

New Fish Advisories in Adirondacks

The state health department yesterday issued new fish advisories for 10 Adirondack lakes and ponds due to mercury contamination. 20 other lakes and ponds in the park already have health advisories for eating fish. David Sommerstein reports.  Go to full article

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