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Fish are becoming easier to catch ‘because traces of anti-depressants are getting into water supply

Posted By admin On February 16, 2013 @ 6:46 am In Sci Tech,Tile | Comments Disabled

‘Making them more relaxed’

UK Daily Mail [1]
Feb 16, 2013

Sleeping pills may be disturbing river ecosystems by turning fish into greedy, risk-taking loners, say researchers.

Scientists studied the behaviour of perch exposed to a sedative which is carried into waterways through sewage.

The drug, a benzodiazepine used to treat anxiety and insomnia called oxazepam, made the fish bolder and less social.

They left the safety of their schools to forage alone – making them vulnerable to predators – and also ate more quickly than normal.

‘Normally perch are shy and hunt in schools,’ said study leader Dr Tomas Brodin, from Umea University in Sweden.

Full article here [1]

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[1] UK Daily Mail: http://www.dailymail.co.uk/sciencetech/article-2278801/Fish-easier-catch-traces-anti-depressants-getting-water-supply-making-relaxed.html?ito=feeds-newsxml

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