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NATIVE AQUATIC WILDLIFE
In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declines- In 1935, an Australian entomologist shipped 102 cane toads from Hawaii to fight crop beetles; 2,400 were released before anyone tested the plan
- In 1988, cargo ships accidentally brought zebra mussels to the US in their ballast water, and they devastated the Great Lakes, but a 2026 study finds that after 20 years in Kansas lakes, they barely changed the fish or the water
- From pet to pest: A 2026 experiment reveals that releasing goldfish into lakes triggers a full ecosystem regime shift, and no lake type is immuneReleasing pet goldfish into local waters causes extensive ecological damage. These fish grow large, stir up sediment, consume prey, and out...15 Jun, 2026, 04.06 PM IST
- Northern water snake size explained: Why this harmless snake can look massiveNorthern water snakes are common in eastern North America. These snakes are harmless and not venomous. Many people mistake them for dangero...22 May, 2026, 05.22 PM IST
- This surreal floating lake in India is visible from space but beneath its drifting islands lives one of the world’s most feared snakesManipur’s Loktak Lake is unlike any other lake in India. Known for its floating circular islands called phumdis, the lake is also home to t...19 May, 2026, 05.06 PM IST
- The Wolves That Changed a River: What Yellowstone Taught ScientistsYellowstone's ecosystem is showing remarkable recovery following the reintroduction of gray wolves in 1995. Their presence has reshaped elk...03 Mar, 2026, 04.14 PM IST
- This monster fish survives on land and has no natural hunters. Experts want it immediately killed if seenThe northern snakehead, an invasive fish native to Asia, is rapidly spreading across U.S. rivers and lakes, posing a major threat to native...11 Apr, 2025, 08.42 PM IST
- Peru: Trees like giants in the Amazon jungle, pink dolphins frolick and shamans make magical brewsThe interaction of water and sediment between these two large rivers is very significant for Pacaya Samiria, which houses a large diversity...24 Dec, 2017, 12.24 AM IST
- Wildlife board's Ken-Betwa riders don't impress expertsThe Ken-Betwa river-linking project, which promises to resolve Bundelkhand's water crisis, will not only submerge a considerable area insid...19 May, 2016, 03.19 PM IST
- Boating proposed at Bundi's Lotus lake will ruin flowerSometimes it's best to leave nature alone, sit back and enjoy the bliss, more so when it comes to the national flower of the country.04 May, 2015, 03.16 PM IST
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