News tagged with fish population

Genetic markers help feds enforce seafood regulations

New discoveries in "marine forensics" by researchers at the Virginia Institute of Marine Science (VIMS) will allow federal seafood agents to genetically test blue marlin to quickly and accurately determine ...

Dec 06, 2011
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Genetic buzzer-beater genes may save fish

Two distinct populations of rainbow trout -- one in Alaska, the other in Idaho -- share a genetic trait that could have huge implications for fisheries conservation and management, an eight-member research team reports.

Nov 29, 2011
5 / 5 (1) 2 | with audio podcast

Fishy behaviour

A fish's personality may determine how it is captured. This association between personality difference and capture-technique could have significant evolutionary and ecological consequences for affected fish populations, as ...

Oct 04, 2011
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Single wild female

(PhysOrg.com) -- The release of a single female guppy into the wild can generate entire new populations, even with no males present, according to new research.

Sep 22, 2011
4 / 5 (2) 0 | with audio podcast

New study on tropical fish dispersal

Research published today in Proceedings of the Royal Society: B identifies success factors for tropical fish looking to establish new populations in the face of climate change.

Sep 14, 2011
4 / 5 (2) 0

Contemporary evolution study published

Studies of threatened species typically focus on factors associated with extinction risk, but a recent study published in PLoS ONE reports a case of a contemporary evolution for a recently introduced population of a protected ...

Sep 08, 2011
4 / 5 (1) 0

Warming streams could be the end for salmon

Warming streams could spell the end of spring-run Chinook salmon in California by the end of the century, according to a study by scientists at UC Davis, the Stockholm Environment Institute and the National ...

Sep 01, 2011
3.7 / 5 (3) 3

Are all alien encounters bad?

The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.

Aug 30, 2011
4 / 5 (5) 12