News tagged with freshwater fish

Why are there so few fish in the Earth's oceans?

(PhysOrg.com) -- A Stony Brook University researcher has found that, contrary to popular belief, there are not plenty of fish in the sea.

Biology / Plants & Animals

created Feb 08, 2012 | popularity 4.3 / 5 (22) | comments 28 | with audio podcast

Competition may have led to new dinosaur species in Grande Prairie area

(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.

Other Sciences / Archaeology & Fossils

created May 12, 2009 | popularity 4.4 / 5 (8) | comments 0

Discovery opens new avenues for treating devastating freshwater fish parasite, 'Ich'

Researchers from the University of Georgia College of Veterinary Medicine have made an "unexpected" dual discovery that could open new avenues for treating Ichthyophthirius multifiliis, or "Ich", a devastating ...

Biology / Cell & Microbiology

created Dec 02, 2009 | popularity 4.8 / 5 (5) | comments 0

Ancient cooking pots reveal gradual transition to agriculture

Humans may have undergone a gradual rather than an abrupt transition from fishing, hunting and gathering to farming, according to a new study of ancient pottery.

Other Sciences / Archaeology & Fossils

created Oct 24, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Females choose sexier friends to avoid harassment

(PhysOrg.com) -- Scientists have observed a strategy for females to avoid unwanted male attention: choosing more attractive friends. Published today (7 December) in the journal Proceedings of the Royal So ...

Biology / Plants & Animals

created Dec 07, 2011 | popularity 3.8 / 5 (5) | comments 6 | with audio podcast

Deadly fish virus now found in all Great Lakes

(PhysOrg.com) -- A deadly fish virus - viral hemorrhagic septicemia virus - first discovered in the Northeast in 2005, has been found for the first time in Lake Superior. The virus is now in all of the Great ...

Biology / Ecology

created Jan 27, 2010 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Tongue makes the difference in how fish and mammals chew

Evolution has made its mark --- large and small -- in innumerable patterns of life. New research from Brown University shows chewing has evolved too.

Biology / Plants & Animals

created Jun 27, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Evidence of ancient lake in California's Eel River emerges

A catastrophic landslide 22,500 years ago dammed the upper reaches of northern California's Eel River, forming a 30-mile-long lake, which has since disappeared, and leaving a living legacy found today in the ...

Space & Earth / Earth Sciences

created Nov 14, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Conflicts of Interest Affect Conservation Science

(PhysOrg.com) -- In a perfect world, scientific research is supposed to be completely objective and free of conflicts of interest. But University of South Florida researchers say that politics can overtake facts, with potentially ...

Other Sciences / Other

created May 06, 2010 | popularity 3.7 / 5 (3) | comments 1

New leuciscin fish found in northern China

SU De-Zao, a retired paleoichthyologist of Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, found a new paleogene leuciscin fish, Tianshanicus liui sp. nov., in the ...

Other Sciences / Archaeology & Fossils

created Jun 02, 2011 | popularity 4.5 / 5 (2) | comments 0

Quagga mussels are clogging Hoover Dam, colonizing lakes and rivers

It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...

Biology / Ecology

created Mar 02, 2009 | popularity 2.7 / 5 (3) | comments 1

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. A new study finds that once they evolved to eat other fish, largemouth bass and fellow fish-feeders ...

Biology / Evolution

created Jul 28, 2009 | popularity 3 / 5 (1) | comments 0

Research makes lake and stream conservation more effective

Michigan State University scientists have developed a pioneering, comprehensive approach that makes conserving and managing freshwater lakes, streams and wetlands more integrated and effective.

Space & Earth / Environment

created Jun 02, 2010 | popularity 3 / 5 (1) | comments 0

Over 1,000 fish species 'threatened with extinction'

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.

Biology / Ecology

created Nov 03, 2009 | popularity 1 / 5 (1) | comments 0