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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 
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.
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 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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