News tagged with freshwater fish
Over 1,000 fish species 'threatened with extinction'
Nov 03, 2009 |
not rated yet |
0
More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.
Freshwater fish at the top of the food chain evolve more slowly
Jul 28, 2009 |
3 / 5 (1) |
0
For avid fishermen and anglers, the largemouth bass is a favorite freshwater fish with an appetite for minnows. A new study finds that once they evolved to eat other fish, largemouth bass and fellow fish-feeders ...
Competition may have led to new dinosaur species in Grande Prairie area
Other Sciences / Archaeology & Fossils
May 12, 2009 |
4.3 / 5 (7) |
0
(PhysOrg.com) -- The discovery of a gruesome feeding frenzy that played out 73 million years ago in northwestern Alberta may also lead to the discovery of new dinosaur species in northwestern Alberta.
Search results for freshwater fish
Declining water quality threatens freshwater fish species with extinction
Jun 11, 2009 |
not rated yet |
0
Increasing urbanisation and more intensive farming are killing New Zealand's freshwater fish species by degrading water quality, says the author of a report published this week by the Ministry for the Environment.
Identifying Canadian freshwater fish through DNA barcodes
Biology /
Jun 18, 2008 |
5 / 5 (1) |
0
New research by Canadian scientists, led by Nicolas Hubert at the Université Laval in Québec and published in this week's PLoS ONE brings some good news for those interested in the conservation of a number of highly-endangered ...
'Armored' fish study helps strengthen Darwin's natural selection theory
Biology /
Aug 28, 2008 |
3.9 / 5 (11) |
8
Shedding some genetically induced excess baggage may have helped a tiny fish thrive in freshwater and outsize its marine ancestors, according to a UBC study published today in Science Express.
'Megafishes' project to save the world's largest freshwater fish
Biology /
Jun 29, 2007 |
3.3 / 5 (4) |
0
University of Nevada, Reno researchers Zeb Hogan and Sudeep Chandra know “Megafishes” mega-well.
Researchers find first-ever 'wanderlust gene' in tiny bony fish
Aug 05, 2009 |
5 / 5 (4) |
0
(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...
Shifting Baselines Confound River Restoration
Sep 01, 2009 |
not rated yet |
0
Steep reductions in the abundance of fish, shellfish, and other aquatic fauna in recent centuries are not restricted to animals that live in the sea: historical records show that species in rivers and lakes worldwide also ...
Fitness in a changing world: The genetics and adaptations of the Alaskan stickleback fish
Biology /
Oct 10, 2008 |
not rated yet |
0
The stickleback fish, Gasterosteus aculeatus, is one of the most thoroughly studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, life h ...
Deadly Parasite Could Endanger Salmon and Trout Populations
Jun 17, 2009 |
not rated yet |
0
Stocks of the UK’s Atlantic salmon along with varieties of domestic Brown trout could be under threat from a deadly parasite according to research led Bournemouth University (BU) published in the International Jou ...
Fish-Killing Toxin Could Kill Cancer Cells
Sep 09, 2009 |
not rated yet |
0
A powerful fish-killing toxin could have cancer-killing properties as well, according to collaborative research led by Agricultural Research Service microbiologist Paul V. Zimba and chemist Peter Moeller of ...
Store-bought freshwater fish contain elevated levels of mercury, arsenic and selenium
Nov 07, 2007 |
3.8 / 5 (5) |
0
White bass wild-caught and sold commercially contained significantly higher levels of mercury, arsenic and selenium than fish caught near former industrial areas. The University of Pittsburgh study, abstract number 161184, ...
List of search results for freshwater fish
