Fish Warn of Water Sabotage
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Cities are using bluegills to safeguard municipal water supplies. The fish react immediately to toxins in the water, so if the aquatic denizens start to flap their gills while swimming in tanks replenished constantly with reservoir water, a warning e-mail is triggered.
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By AP  LEWISTON, Idaho   Officials with the Idaho Department of Fish and Game plan to partially drain and then poison Deer Creek Reservoir next month because of a nonnative fish that threatens the trout fishery.
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A leading environmental group called Friday for protection for the great white shark and humphead wrasse coral fish, whose numbers have plunged because of overfishing and China&#39;s growing appetite for exotic foods.
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A fish known for its voracious appetite and ability to wreak havoc on freshwater ecosystems was found in Chicago's Burnham Harbor, alarming state biologists.
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A federal judge on Friday imposed limits on water flows caused by huge pumps sending water from the San Joaquin-Sacramento River delta to users around the state, saying the pumps were drawing in and destroying a threatened fish.
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It&#39;s among the most unsightly creatures in the waterways -- a squirming, snakelike fish bound for no real glory beyond its role
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By Wang Ying  Large-scale algae outbreaks are once again posing a threat to the drinking water supplies from Taihu and Chaohu lakes.
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Concerns are raised that the trawler which ran aground on St Kilda could carry rats, posing a threat to sea birds.
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By Chris Dumond, Middletown Journal, Ohio  Feb. 23--A local watchdog group is asking the U.S. Environmental  Protection Agency to warn local fishermen and other outdoor enthusiasts to  stay away from the Armco Superfund site just outside New Miami and not to eat  the fish caught there.
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Biologists plan to use large nets and traps this week in Chicago's Burnham Harbor to search for the northern snakehead &#151; a type of fish known for its voracious appetite and ability to wreak havoc on freshwater ecosystems.
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By Austin Fenner, Daily News, New York  Sep. 19--New York City's drinking water supply is being guarded  around-the-clock against toxic and biological weapons by an unlikely band of  sentinels -- the hardy bluegill fish.
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By Denis Cuff, Contra Costa Times, Walnut Creek, Calif.  Feb. 19--SOS to California boaters: Watch for a stowaway shellfish that could wreak havoc to the state's environment and economy if you let it sneak aboard.
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Floridaâs season of âsturgeon strikesâ â collisions between the leaping fish and hapless boaters â is under way.
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By DAVID DISHNEAU  HAGERSTOWN, Md. - An environmental group asked the federal government Tuesday to ban a class of toxic chemical compounds that are found in industrial and household detergents and are believed to cause male fish to develop female characteristics.
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To marine biologists, âplasticsâ is a dirty word. Fish and birds can eat or become tangled in fishing gear or other plastic flotsam.
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A proposed change in how the federal government measures water for fish in the Sacramento-San Joaquin river delta has environmental groups alarmed and California officials concerned about potential harm to wildlife habitat.
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It hardly seems fair, but water creatures nimble enough to avoid being gobbled up by predators might harm their species more than help, new research suggests.