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FRESHWATER SPECIES
Why is Alaska checking boats for tiny mussels? Scientists fear one hitchhiker could change its watersWhat if one tiny mussel could trigger a massive problem for Alaska’s lakes, rivers and water infrastructure? Let's dig deeper to find out m...- In 1991, scientists used red dye to trace weedkiller in a Washington river choked by milfoil; the study reported a 99% decline in milfoil and up to 1,000% more native plantsResearchers used a red dye to precisely track herbicide application in Washington's Pend Oreille River. This innovative method allowed for ...
- In 2014, Massachusetts' JRWA began work to remove a dam sitting 10 feet below the Elm Street Bridge. 5 years later, the Jones River was freed for alewife, eels and trout once againElm Street project was also part of a broader sequence of restoration work on the Jones River. A previous obstacle, the Wapping Road Dam, h...
- In 1998, scientists sent 4 pregnant swordtail fish and 200 babies into space; near the end of the mission, the fish suddenly began swimming in continuous loopsIn an unprecedented experiment in 1998, swordtail fish were launched into orbit on the space shuttle Endeavor to explore how life persists ...
- In 2006, Hawai‘i listed Waipā Stream, after dense hau bush trapped sediment and blocked fish. Today, restoration cut average turbidity by 62% and restored native fish passageWaipā Stream restoration efforts significantly improved water quality and aquatic habitats. Invasive hau bush removal and feral pig control...
- Leonardo DiCaprio's Re:wild used 90 countries to fight ecosystem loss through local partnerships; its work still spans 590 million acres in active conservation worldwideLeonardo DiCaprio’s Re shows that protecting nature often begins with the people who live closest to it. Across 90 countries, the organizat...
- In 1864, Tasmania imported brown trout for sport. 162 years later, it is building barriers to save a native fish reduced to just 6,000 individualsFor more than a hundred years, introduced brown trout have altered the freshwater ecosystems of Tasmania. In response, conservation teams a...
- In 2001, scientists began adding tiny amounts of synthetic estrogen to an Ontario lake; within the next two years, its fathead minnow population collapsedA seven-year whole-lake experiment in northwestern Ontario examined how chronic exposure to the synthetic estrogen 17α-ethynylestradiol (EE...
- Texas will pay you $100 for catching this invasive fish as officials warn anglers to ‘Keep, Cool, Call’Texas is offering anglers $100 for every invasive black carp caught and reported as part of a multi-state research effort. Anyone who belie...
- In Cumbria, freshwater pearl mussels in the River Kent can filter up to 50 litres of water each day; their filtration can help improve river water for fish, eels and ottersIn a groundbreaking initiative, a conservation project in the UK seeks to rehabilitate the endangered freshwater pearl mussels along the Ri...
- Seventy years ago, Spanish anglers welcomed an American predator into their waters for sport; today, the largemouth bass is spreading through ecosystems and threatening native wildlifeBrought to Spain in 1955 for recreational fishing, the largemouth bass has transformed into an invasive species wreaking havoc on local eco...
- How did insects conquer land? A 324-million-year-old fossil with 24 legs and paddle-like abdominal limbs suggests some of their earliest ancestors may have lived in water before becoming terrestrialA 324-million-year-old fossil from Texas offers new insights into early insect evolution. This ancient creature possessed an unusual 24-leg...
- This city in Florida lost nearly 80% of its Oyster reefs; now a restoration project is rebuilding what disappeared. Here's howNaples Bay is taking an innovative step by restoring its oyster reefs, which will enhance natural shoreline defenses. These vital reefs pla...
- Lake 223 acid rain experiment: Scientists added sulfuric acid to an Ontario lake for 17 years. The water recovered, but the fish didn’tA 17-year acid rain experiment at Canada’s Lake 223 changed its water chemistry and disrupted its ecosystem. Although the lake’s acidity ha...
- Nepal floods bring strange fish to Bihar, govt warns against eating or selling it; consumption may cause vomiting, diarrhoeaNepal unusual fish found in Bihar: Nepal flood has swept an unusual fish into Bihar’s Gandak basin. The floodwaters from Nepal have prompte...
- In 2010, federal wildlife trustees secured $2.65 million for San Francisco Bay tidal marsh restoration. 5 years later, tidal waters returned to 1,250 acres at Cullinan RanchSan Francisco Bay tidal marshes are being restored for a reason that reaches far beyond wildlife. These wetlands filter polluted water and ...
- In 2015, California EPMT discovered Japanese knotweed along Lagunitas Creek. 2 years later, treatment cut knotweed by 93% on National Park Service land, a major gain nowJapanese knotweed can spread quietly along waterways, making an early discovery especially valuable. In 2015, California’s Early Detection ...
- In 2014, Arizona used fish poison to clear an invasive fish from Virgin River after mechanical removal methods failed. Then the red shiner came backFor years, conservationists waged a relentless battle against the invasive red shiner in the Virgin River. Initial rotenone treatments show...
- In 1972, a 3,300-acre preservation effort began protecting the Elk River Chain of Lakes in Michigan. More than 50 years later, monitoring shows water quality remains healthyMore than half a century ago, a conservation effort in northern Michigan set out to protect an extraordinary network of waterways, and its ...
- Georgia won UNESCO World Heritage status for the 636-square-mile Okefenokee Swamp to bolster conservation; the result raised global attention around a wetland home to 15,000 alligators and hundreds of speciesGeorgia's Okefenokee Swamp received UNESCO World Heritage status. This recognition highlights its rich biodiversity and vital role as a car...
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