Fish Species Current Events | Fish Species News | 3
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Freshwater fish at the top of the food chain evolve more slowly
For avid fishermen and anglers, the largemouth bass is a favorite freshwater fish with an appetite for minnows. view more (2009-07-29)
Green sturgeon receives 'threatened' status
The living fossil that still patrols the rivers of the Pacific Coast recently received a boost from the US government, which listed the green sturgeon as "threatened" under the Endangered Species Act, effective April 6th. view more (2006-04-13)
Overfishing in inland waters reduces biodiversity and threatens health
Systematic overfishing of fresh waters occurs worldwide but is largely unrecognized because of weak reporting and because other pressures can obscure fishery declines, according to an article in the December 2005 issue of BioScience. view more (2005-12-01)
Researchers find animal with ability to survive climate change
Queen's researchers have found that the main source of food for many fish - including cod - in the North Atlantic appears to adapt in order to survive climate change. view more (2008-09-24)
Hibernation-like behavior in Antarctic fish -- on ice for winter
Scientists have discovered an Antarctic fish species that adopts a winter survival strategy similar to hibernation. Reporting this week in the journal PLoS ONE, the online journal from the Public Library of Science, scientists from British Antarctic Survey (BAS) and the University of Birmingham reveal, for the first time, that the Antarctic 'cod'... view more... (2008-03-05)
Sprats With Polonium
There are many radioactive elements in the world. For example, natural element polonium has 33 radioactive isotopes. Fortunately, only one isotope, 210Po, has a relatively long (138.4 days) half-life period. This isotope appears in the atmosphere as a result of radon decay, sinks to oceans and seas, and accumulates in organs of some animals, in... view more... (2002-07-19)
Twenty of World's 162 Grouper Species Threatened With Extinction
The first comprehensive assessment of the world's 162 species of grouper, a culinary favorite and important commercial fish, found that 20 are threatened with extinction unless proper management or conservation measures are introduced. view more (2007-03-22)
Model successfully predicts large river system fish diversity
While scientists have developed methods to predict aspects of fish diversity in specific river locations, a model to understand what factors may drive a comprehensive suite of fish biodiversity patterns in a large and complex system of rivers has been elusive. view more (2008-05-09)
Loss of just one species makes big difference in freshwater ecosystem, study finds
Researchers at Dartmouth, Cornell University, and the University of Wyoming have learned that the removal of just one important species in a freshwater ecosystem can seriously disrupt how that environment functions. This finding contradicts earlier notions that other species can jump in and compensate for the loss. view more (2006-08-21)
How to Grow a Bigger Brain
Hatchery-reared steelhead trout show increased growth of some parts of the brain when small stones are scattered on the bottom of their tank, according to a new study by researchers at UC Davis. view more (2006-03-07)
The tapeworm contraceptive
A tapeworm may be the unlikely source of a new contraceptive - 100% effective in either sex! Despite intensive research, scientists have so far failed to find the perfect contraceptive for women - let alone men. However, a study in freshwater fish of the carp family has found a parasite, Ligula intestinalis, that makes the fish infertile. The... view more... (2002-12-04)
Thin tough skin, slow-growing gills protect larval Antarctic fish
Very thin but hardy, unblemished skin and slow developing gills appear to be keys to survival for newly hatched Antarctic notothenioids, a group of fish whose adults thrive in icy waters because of antifreeze proteins (AFPs) in their blood. view more (2006-02-14)
Norway: Ocean fish farming can be as important as oil
The fish farming industry can be one of the most important sources of value creation in Norway's future. "The long-term view that steers knowledge development can give Norwegian fish farming the same important role that oil has had," says Harald Sveier, Senior Reseacher in EWOS Innovation. Senior Researcher Harald Sveier of EWS Innovation has... view more... (2004-04-28)
Global warming forces fish northwards
Fears that global warming is threatening British fish stocks were confirmed this week with the publication of a new study in the international journal Science. view more (2005-05-10)
Cornell lab confirms deadly fish virus spreading to new species
A lethal fish virus in the Great Lakes and neighboring waterways is approaching epidemic proportions, according to Paul Bowser, Cornell professor of aquatic animal medicine in the College of Veterinary Medicine. view more (2007-05-21)
Fishing trade helps Africa
Eating fish imported from poor African countries can help rather than harm those economies according to new research by scientists at the UN Food and Agriculture Organisation, working in partnership with the University of East Anglia. view more (2006-09-06)
The difference between fish and humans: scientists answer century-old developmental question
Embryologists at UCL (University College London) have helped solve an evolutionary riddle that has been puzzling scientists for over a century. view more (2007-10-11)
There's no scent like home
Tiny larval fish living among Australia's Great Barrier Reef spend the early days of their lives swept up in ocean currents that disperse them far from their places of birth. view more (2007-01-09)
To manage a fishery, you must know how the fish die
Recreational anglers and commercial fishermen understand you need good fishery management to make sure there will be healthy populations of fish for generations to come. view more (2009-08-10)
Discovery in the evolution of the immune system absorbing cells
Led by Dr J Oriol Sunyer, of the Faculty of Veterinary Medicine at the University of Pennsylvania, and formed by researchers from Philadelphia, St Louis and Idaho (USA) and by Dr Lluís Tort of the Universitat Autònoma de Barcelona, the group has been able to show that B cells in fish as well as in amphibians are capable of strong phagocytosis... view more... (2006-10-05)
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