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FISH POPULATION DECLINE
Blue crabs were first found in Italy's Adriatic in 1949; 74 years later, they exploded, cut clam output 90%, and pushed 160 km up the Po River- Cleaner-looking lakes are not always better; as freshwater turns brown across North America and Europe, trout, bass, perch and whitefish decline
- 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
- In 1960, Spain planted an invasive tree thinking it was a great idea, and now it's hammering local birdlife because the ecosystem can't keep upNew research from Spain reveals a stark difference in birdlife between native forests and eucalyptus plantations. While species numbers rem...18 Jun, 2026, 04.03 PM IST
- Former sea turtle hunters in Cabo Verde are now guarding nesting beaches, and the shift has helped drive illegal killings on Boa Vista down from 1,253 in 2007 to just 20 by 2024Once a source of food and income, sea turtle hunting in Cabo Verde has transformed into a remarkable conservation success. Former poachers ...18 Jun, 2026, 02.26 PM IST
- Climate change, pollution push oceans to tipping point, UN report saysA new UN report reveals a "deepening crisis" in ocean health, driven by climate change, pollution, and overfishing. Rising sea levels, acid...18 Jun, 2026, 10.33 AM IST
- Fish are adapting to rivers shaped by dams and barriers, and that may be changing how man-made rivers function over timeFor decades, river restoration has focused on returning waterways to conditions that existed before dams, weirs and large-scale human inter...15 Jun, 2026, 06.03 PM IST
- 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
- Afforestation, dolphin revival show life returning to Ganga under Namami Gange: NMCGThe Namami Gange program has brought ecological revival to the Ganga river. Large-scale afforestation efforts have led to forest cover alon...14 Jun, 2026, 07.34 PM IST
- Secret ocean rule: For 400 years, these villagers protected fish with ancient technique; Now scientists say it could help save world's dying coral reefsSecret ocean rule: Eastern Indonesian coastal communities have long practiced sasi, a traditional ocean management system where areas are t...11 Jun, 2026, 05.52 PM IST
- In the 1960s, Sudbury's nickel smelters turned Ontario's lakes acidic, and tiny creatures evolved to survive, but when the pollution cleared, something unexpected happenedScientists witnessed evolution in action as a tiny copepod species, Leptodiaptomus minutus, adapted to acidic lakes in Killarney Provincial...06 Jun, 2026, 05.14 PM IST
- Greenland's independence champion despised Denmark. Trump changed his mindAs Greenland grapples with its quest for independence, a wave of rethinking has emerged. The persistent calls from US President Donald Trum...29 May, 2026, 01.39 PM IST
- Researchers stuck a pair of googly eyes on the coast of Denmark and let them sit for 46 days, and here's what happened nextA floating windmill with giant spinning eyes, the Looming-Eye Buoy, was tested to deter seabirds from raiding fish traps in Europe. While i...20 May, 2026, 01.24 PM IST
- What is Americans’ favorite exercise? New study reveals a surprising trend in fitness habitsWalking is widely regarded as the simplest and most sustainable form of physical activity, requiring no equipment or gym access while fitti...14 May, 2026, 12.56 AM IST
- The ocean near Panama quietly skipped a season and scientists are still trying to understand whyFor the first time in over 40 years, the Gulf of Panama experienced a complete break in its annual upwelling cycle. This vital process, dri...11 May, 2026, 03.39 AM IST
- How Sea Lions' Fish Theft in San Diego Defies Normal Predator Behavior: The Science Behind Their Unusual Stealing TacticsCalifornia sea lions are cleverly stealing catches from fishermen off San Diego. This behavior is not random but a learned adaptation. With...30 Mar, 2026, 02.33 PM IST
- Fast-growing fish risk dramatic fall in populationIn a counterintuitive discovery, scientists have found that ocean fish species that grow quickly and reproduce frequently are more likely t...05 Aug, 2015, 06.31 PM IST
- Bombay duck is dying in Maharashtra, blame overfishingOverfishing together with climate change is altering the kind and amount of fish found on the Maharashtra coast.05 Apr, 2013, 07.16 PM IST
- Rare Dugong population is on declineGujarat Ecological Education and Research (GEER) Foundation has suggested that a study should be taken up with the help of deep sea scuba d...02 Jun, 2012, 12.39 AM IST
- Decline in shark population worldwideSharks are in big trouble on the Great Barrier Reef in Australia and worldwide, according to scientists.11 Nov, 2011, 11.09 PM IST
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