6 Stories

Biologists Try to Save Rare Trout ... by Poisoning a River

Controversial plan designed to flush out other species from creek

(Newser) - California fisheries officials pumped an 11-mile stream full of poison yesterday, killing all the fish in it—in what, believe it or not, is a conservation plan. State officials are trying to preserve the Paiute cutthroat trout, the rarest trout in the world, the LA Times explains. It's native... More »

Skin Cancer Rampant Among Australia's Trout

Great Barrier Reef sits under large ozone hole

(Newser) - Look out, Snooki, sun tans are dangerous—even for fish. Scientists in Australia have discovered that 15% of coral trout in the Great Barrier Reef have gotten skin cancer from ultraviolet radiation. The Land Down Under, the LA Times notes, lies under the Earth's biggest hole in the ozone... More »

Mining Company: Those 2-Headed Fish No Big Deal

Images of two-headed trout tucked into appendix of safety study

(Newser) - If you reel in your fishing line in southern Idaho to find a two-headed trout staring back, it's ... no big deal? The New York Times explains: The JR Simplot Company wants the federal government to allow higher levels of the mining byproduct selenium to appear in local waterways. The... More »

Test Finds Mercury in Every Fish

A quarter contaminated beyond EPA safety limit

(Newser) - Catch a fish in one of America's streams, and there's a good chance it will have at least trace amounts of mercury. The most comprehensive survey to date from the US Geological Survey tested more than 1,000 fish from nearly 300 streams around the nation—and found mercury in... More »

Salmon Made to Bear Trout

Success shows sterile animals could become surrogates for extinct species

(Newser) - Cue the world’s most peculiar baby announcement: Masu salmon have produced rainbow trout offspring, with an assist from scientists that could lead to the preservation of rare fish species. Trout sperm stem cells had already been injected into salmon embryos to produce salmon with trout sperm; now the same... More »

Polluted Fish Swamp Great Lakes

Industrial chemicals raise contaminant levels into range unsafe for eating

(Newser) - Industrial chemicals contaminate many species of fish that populate the Great Lakes, making them too hazardous for safe human consumption, says a Canadian conservation group. "The lakes continue to be polluted to such an extent that human health is threatened," says a report released yesterday that lists industrial... More »

6 Stories