Searched for
INVASIVE FISH
In 2024, managers deliberately cooled the Colorado River to protect the Grand Canyon from invasive smallmouth bass. 2 years later, no bass recruitment had been detected, but the effort cost $19.1 million in replacement powerManagers at Glen Canyon Dam used an unusual strategy to protect native Colorado River fish from invasive smallmouth bass: they deliberately...- Earlier this year, the U.S. Army Corps tested Chicago's invasive-carp barrier at 3 electrical levels. Now, engineers know how the system behaves when voltage rises to 4.6 volts per inch, helping prepare for a future Great Lakes invasion threatEngineers tested Chicago's electric fish barrier at higher electrical levels this year. This testing aimed to understand potential response...
- Why Putin’s first Kuril Islands visit has shocked Japan: Why did he go there now, and how is a WW2-era dispute pushing Russia and Japan further apart?Putin’s Kuril Islands visit: Why did Russian President Vladimir Putin visit the disputed Kuril Islands now? Putin's first trip to the islan...
- In the 1980s, Pablo Escobar brought 4 hippos to Colombia. Today, they have become the world's largest invasive hippo populationPablo Escobar's four imported hippos have spawned Colombia's largest invasive population, disrupting local ecosystems. These robust animals...
- The hidden owl war: An invasive owl is conquering ancient forests, putting the threatened northern spotted owl at even greater riskInvasive barred owls are occupying ancient forests vital for northern spotted owls. These aggressive competitors concentrate in the exact h...
- Vladimir Putin visits disputed island near Japan, drawing Tokyo's ireRussian President Vladimir Putin visited a disputed island near Japan on Thursday. This visit prompted strong condemnation from Tokyo, whic...
- In the 1800s, Americans planted tamarisk for windbreaks and erosion control; by 2005, the tree had spread across western river systems and become a major management concernTamarisk was originally brought in for various practical applications, but it has since proliferated across western waterways. This invasiv...
- The Last House ending explained: Who are the creatures in Netflix’s latest sci-fi thriller and why did they spare the family? Update on The Last House 2American sci-fi psychological thriller The Last House tells the story of ancient creatures from the ocean that emerge after years of human ...
- Russian ‘shadow fleet’ tanker leaks oil off Oman coast, NGOs raise alarmAn Omani nature reserve faces an environmental catastrophe from an oil leak. A Russian shadow fleet tanker is reportedly leaking oil across...
- In 1974, a Spainish rancher imported 2,000 kg of American crayfish from Louisiana. 50 years later, it has become an invasion nobody could stopAn American red swamp crayfish invasion reshaped Spain's Guadalquivir River basin and Doñana National Park. This destructive biological inv...
- Florida Python Challenge 2026 winners to be announced this week: Why hundreds compete to hunt invasive snakes for a $10,000 prizeThe Florida Python Challenge invites enthusiasts to actively combat the invasive Burmese python population. Each year, exciting cash prizes...
- In 2005, scientists revealed how ships helped Moon Jellyfish conquer the world's seas and threaten ecosystems around the planetScientists have reported a concerning invasion of alien moon jellyfish across various marine ecosystems. These jellyfish hitch rides on shi...
- In 1970s, Burmese pythons arrived in Florida as pets. Then a hurricane helped turn them into the Everglades' top predator—now robot rabbits are fighting backFlorida is deploying solar-powered robot rabbits to lure invasive Burmese pythons. These AI-powered decoys imitate prey, using heat and sce...
- In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declinesIn 1922, California introduced mosquitofish in hopes of controlling mosquito populations. Although they were initially viewed as a solution...
- In 2000, California found an aquarium alga choking native seagrass: officials covered every patch with black PVC and chlorinated everything beneath; six years later, it was goneAn invasive seaweed, Caulerpa taxifolia, was discovered in California's Agua Hedionda Lagoon in 2000. Teams of divers used tarps and chlori...
- In the 1970s, the US introduced four carp species to control weeds; decades later, these carp spread as far as Minnesota, threatening native fishFour Chinese carp species were imported to southern fish farms in the 1970s. These fish escaped into the Mississippi River system after flo...
- Texas released 3 million captive-bred eggs to save this endangered amphibian. It may be workingA male Houston toad was sighted in Bastrop County, Texas, after a 50-year absence. This sighting follows the release of millions of captive...
- Australia built an A$187,000 electric fence across wild horse country; inside lies an endangered alpine wetland supporting three threatened animalsAn electric fence protects a rare alpine wetland in Australia's Kosciuszko National Park. This small area is home to three threatened nativ...
- In 2001, a USDA scientist released beetles to destroy an invasive tree, but they eliminated 94% of an endangered bird's habitat along one riverAn invasive beetle introduced to control tamarisk trees has devastated flycatcher nesting grounds. This beetle, released by the USDA, succe...
- In 1935, an Australian entomologist shipped 102 cane toads from Hawaii to fight crop beetles; 2,400 were released before anyone tested the planAustralian scientists introduced toxic cane toads to control sugar cane pests in 1935. These toads failed to eat the target beetles and spr...
Load More
