News tagged with fish populations

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Oil spills affecting fish population

A mixture of bitumen and gasoline-like solvents known as dilbit that flows through Prairie pipelines can seriously harm fish populations, according to research out of Queen's University and the Royal Military College of Canada.

dateJul 15, 2015 in Ecology
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Shrinking fish sizes in exploited stocks

An experimental study with size-selectively harvested zebrafish that began in 2006 at the Leibniz-Institute of Freshwater Ecology and Inland Fisheries in Berlin, Germany reveals that size-selective harvesting causes changes ...

dateJun 26, 2015 in Ecology
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Genetically modified fish on the loose?

Genetically modified fish that overexpress growth hormone have been created for more than 25 years, but unlike many domesticated crops, transgenic fish have yet to enter commercial production. Because of the difficulty inherent ...

dateJun 10, 2015 in Ecology
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Applying research agendas to sport fishing

As one of the most highly prized game fish in the upper Midwest, muskellunge (also known as muskies) and northern pike help support a $20 billion sport fishing industry. Facing declines in natural reproduction, a team of ...

dateJun 04, 2015 in Ecology
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