Fish Species Current Events | Fish Species News | 4
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Stress relief for bullies
At last! An excuse for those of us who take our work-related stress out on our family. Dr. Øyvind Øverli of the University of Oslo has discovered that dominant rainbow trout reduce their stress levels by venting their frustration on socially subordinate animals. Presenting his results at the annual SEB meeting in Edinburgh (29th March - 2nd... view more... (2004-03-24)
Edible fish feasts beats malaria
The emerging threat of pesticide resistance means that biological malaria control methods are once again in vogue. view more (2007-08-09)
Earliest known fossil fish discovered in China
Professor Simon Conway Morris, of the Department of Earth Sciences, University of Cambridge, and Professor Degan Shu, of Northwest University, in Xi'an, China, have been analysing the fossils, along with eight other scientists from China. view more (1999-11-02)
High Mercury Count In Fish Linked To Heart Attack
People who eat fish with a raised mercury content run a greater risk of coronary heart disease than previously thought, an international team of researchers has found. Scientists from Edinburgh, Baltimore and seven other European countries say that mercury, which is found in certain fish from environmentally contaminated areas, may counteract the... view more... (2002-11-27)
Fish oils may hold key to cutting deaths from heart disease
Heart patients are being asked to eat more fish as part of a University of Edinburgh study in a study to see if improved diet can reduce the risk of coronary attacks. The study will look at the way fish and fish oil supplements could help reduce inflammation of the arteries and break down the blood clots which cause heart disease. The new study... view more... (2003-03-27)
Genetics reveals big fish that almost got away
Researchers from the University of Hawaii, the Wildlife Conservation Society, Smithsonian Tropical Research Institute, National Marine Fisheries Service and Projecto Meros do Brazil discovered a new species of fish-a grouper that reaches more than six feet in length and can weigh nearly 1,000 pounds. This newly discovered species can be found... view more... (2008-08-22)
Study uses stream fish as indicators of water quality
For many years, regulatory agencies have used chemical standards to assess water quality. view more (2005-11-01)
Russian Red Book - Moscow Is Not Inhabited Only By People
Ksenia Avilova, Senior Research Assistant, Faculty of Biology, Moscow State University, investigates the diversity and quantity of the plant and animal species inhabiting the capital of Russia. According to the latest data the number of higher plants in Moscow makes up 1250 species, including those exotic... view more... (2002-05-17)
Cheering News for Depressed Mussels
One of Britain's rarest animals could soon be enjoying a revival in the country's waterways, thanks to researchers at the University of Cambridge. Depressed River Mussel populations have suffered a 30 per cent drop in the last 100 years through pollution and modern dredging techniques, and the species has been made a conservation priority by the... view more... (2001-06-19)
Killer algae a key player in mass extinctions
Supervolcanoes and cosmic impacts get all the terrible glory for causing mass extinctions, but a new theory suggests lowly algae may be the killer behind the world's great species annihilations. view more (2009-10-20)
Silent Streams? Escalating Endangerment for North American Freshwater Fish: Nearly 40 Percent Now At-Risk
Nearly 40 percent of fish species in North American streams, rivers and lakes are now in jeopardy, according to the most detailed evaluation of the conservation status of freshwater fishes in the last 20 years. view more (2008-09-10)
Beneficial plant 'spillover' effect seen from landscape corridors
Research by a North Carolina State University biologist and colleagues shows that using landscape corridors, the "superhighways" that connect isolated patches of habitat, to protect certain plants has a large "spillover" effect that increases the number of plant species outside the conservation area. view more (2009-05-21)
Study assesses impact of fish stocking on aquatic insects
The impact fish stocking has on aquatic insects in mountain lakes can be rapidly reversed by removing non-native trout, according to a study completed by U.S. Forest Service and University of California, Davis, scientists. view more (2009-03-27)
Fish researcher demonstrates first 'non-visual feeding' by African cichlids
Most fish rely primarily on their vision to find prey to feed upon, but a University of Rhode Island biologist and her colleagues have demonstrated that a group of African cichlids feeds by using its lateral line sensory system to detect minute vibrations made by prey hidden in the sediments. view more (2009-04-14)
Hundreds of New Species Discovered in Fragile Eastern Himalayas
Over 350 new species including the world's smallest deer, a "flying frog" and a 100 million-year old gecko have been discovered in the Eastern Himalayas, a biological treasure trove now threatened by climate change. view more (2009-08-11)
Ocean 'dead zones' trigger sex changes in fish, posing extinction threat
Oxygen depletion in the world's oceans, primarily caused by agricultural run-off and pollution, could spark the development of far more male fish than female, thereby threatening some species with extinction. view more (2006-03-30)
Ancient amphibians evolved a bite before migrating to dry land
Ancient aquatic amphibians developed the ability to feed on land before completing the transition to terrestrial life, researchers from Harvard University report this week in the Proceedings of the National Academy of Sciences. view more (2007-04-17)
Widespread Occurrence of Intersex Bass Found in U.S. Rivers
Intersex in smallmouth and largemouth basses is widespread in numerous river basins throughout the United States is the major finding of the most comprehensive and large-scale evaluation of the condition, according to U.S. Geological Survey (USGS) research published online in Aquatic Toxicology. view more (2009-09-15)
Fish oils reduce greenhouse gas emissions from flatulent cows
The benefits to animals of omega 3 fatty acids in fish oils have been well documented - helping the heart and circulatory system, improving meat quality and reducing methane emissions. view more (2009-03-30)
Coral Reef Fish Make Their Way Home
Coral reef fish hatchlings dispersed by ocean currents are able to make their way back to their home reefs again to spawn, says a groundbreaking study published today in the journal Science. view more (2007-05-04)
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