News tagged with fish

Salish Sea seagull populations halved since 1980s

The number of seagulls in the Strait of Georgia is down by 50 per cent from the 1980s and University of British Columbia researchers say the decline reflects changes in the availability of food.

Feb 27, 2015
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When estimating fish populations, seeing is believing

Somewhere off the Atlantic coast of Florida, a fishing boat bobs in the swell, and Nate Bacheler helps swing a fish trap over the side. It's a big metal cage shaped like a giant arrowhead, and it looks like ...

Feb 18, 2015
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Scuba divers lead charge against invasive lionfish

Clad in a gray hooded wetsuit, Eric Billips straps on his scuba tank, grabs a pole spear and nods at his dive buddy as they step feet-first off the boat and disappear with a splash into sparkling blue waters ...

Feb 17, 2015
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How tuna stay warm with cold hearts

Scientists at The University of Manchester, working with colleagues at Stanford University in America, have discovered how prized bluefin tuna keep their hearts pumping during temperature changes that would ...

Feb 05, 2015
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