Welcome to FIS   Sponsored By
Subscribe to FIS | Register with FIS | Advertise with FIS | Newsletter | About FIS | Contact us
   


The findings highlight the importance of accounting for assessments of pharmaceuticals in rivers and lakes (Photo: FIS stock)

SSRI contamination endangers survival rate of fish

Click on the flag for more information about United States UNITED STATES
Thursday, March 08, 2012, 15:30 (GMT + 9)

Fish exhibit abnormal behaviour and lower levels of anxiety when exposed to drugs containing Selective Serotonin Reuptake Inhibitors (SSRI), tells a study by Baylor University researchers. The fish were found to expose themselves to greater predation risk.

The study also found that human data for drug activity can help predict surface water concentrations of SSRIs which negatively impact fish behaviour.

The results were published online in the journal Environmental Science & Technology.

This research has implications for communities planning to implement wastewater reuse programmes.

"This research is an important step in determining the long-term consequences of drugs taken up by fish in the environment and has direct implications for both survival and fitness of fish," said Bryan Brooks, Ph.D., professor of environmental science and biomedical studies and director of environmental health science in Baylor's College of Arts & Sciences.

In the study, the shelter-seeking behaviour of fathead minnows was supervised under laboratory conditions for 28 days using digital tracking software to diagnose abnormal behaviour while they were exposed to the SSRI sertraline, a drug used to treat panic attacks and other disorders. Sertraline concentrations and lighting conditions strongly impacted the time the minnows spent in a sheltered area.

During dark conditions, sertraline-exposed fish spent about 67-78 per cent of the time that control fish spent in the shelter. During light intervals, fish exposed to sertraline spent between 18-42 per cent less time in the shelters.

"The shelter was the only dark area during light conditions in the observation tanks; therefore, control fish apparently retreated to the shelter to reduce anxiety, whereas fish exposed to sertraline appeared to display reduced anxiety and did not exhibit this behavior," Brooks explained.

"Based on our observations, we hypothesize that fish exposed to sertraline displayed reduced levels of anxiety and consequently were more willing to explore outside of their shelters during both light and dark conditions. Fish willing to spend more time away from shelters face greater predation risk, and their overall survival rate may be reduced," he elaborated.

These findings highlight the importance of accounting for the pH of rivers and lakes in surface water quality assessments of pharmaceuticals and other weak acid and weak base contaminants.

"Conservation and water reuse strategies will become paramount to meet water resource needs of future generations. Understanding emerging risks to water quality, from pharmaceuticals and other contaminants present at trace levels, is equally important to support responsible management decisions and meet environmental protection goals," Brooks added.

A previous study by Baylor found residues of sertraline and fluoxetine, another SSRI, and their metabolites in three different types of fish living in the Pecan Creek in North Texas. A follow-up study there detected three more medications in fish -- diphenhydramine, an over-the-counter antihistamine commonly used as a sedative in sleep aids and motion sickness; diltiazem, a drug for high blood pressure; and carbamazepine, a treatment for epilepsy and bipolar disorder.

By Natalia Real
[email protected]
www.fis.com


 Print


Click to know how to advertise in FIS
MORE NEWS
United States
Oct 19, 08:00 (GMT + 9):
IN BRIEF - Planned license lottery panned at scallop meeting
Senegal
Oct 19, 08:00 (GMT + 9):
IN BRIEF - This Startup Turns Climate Pollution Into Fish Feed
China
Oct 19, 08:00 (GMT + 9):
IN BRIEF - Will tilapia buoy fish farming along Kenyan coast?
Trinidad and Tobago
Oct 19, 08:00 (GMT + 9):
IN BRIEF - Ministry on oil spill: Fish safe to eat
Viet Nam
Oct 19, 08:00 (GMT + 9):
IN BRIEF - US cautions VN seafood exporters against unregulated fishing
Australia
Oct 19, 07:00 (GMT + 9):
IN BRIEF - Victorian Aquaculture Mussels Up With New Sites
United States
Oct 19, 07:00 (GMT + 9):
IN BRIEF - VIDEO: Aquarium advocates responsible farming of the sea
Germany
Oct 19, 07:00 (GMT + 9):
IN BRIEF - GLOBALG.A.P. Webinar on the responsible use of antibiotics on Livestock and in Aquaculture
United Kingdom
Oct 19, 02:30 (GMT + 9):
Over 400 fisheries participate now in MSC program
Chile
Oct 19, 02:00 (GMT + 9):
13 challenges identified to increase seafood consumption in Chile
Switzerland
Oct 19, 01:40 (GMT + 9):
WTO panel rules against South Korean ban on Japanese seafood imports
Chile
Oct 19, 00:40 (GMT + 9):
Aquaculture harvests grow in Los Lagos, but fall in Magallanes
United States
Oct 19, 00:30 (GMT + 9):
Reduction fisheries show imporvement, according to SFP's report
Canada
Oct 18, 23:50 (GMT + 9):
New Brunswick intends to boost oyster farming sector
Ecuador
Oct 18, 22:40 (GMT + 9):
Seized Chinese boat to be used for 'logistics'



Lenguaje
FEATURED EVENTS
  
TOP STORIES
Bluefin tuna remains popular in Japan but not at the top
Japan A recent survey to 1,000 Japanese consumers shows that over 70 per cent choose to grill fish fillets while 63.8 per cent and 50.4 per cent go for sashimi and sushi, respectively, when asked how they l...
Ten rivers may dump almost 4 million tonnes of ocean plastic debris
Germany A team of scientists from the Helmholtz Centre for Environmental Research and the Weihenstephan-Triesdorf University of Applied Science, both in Germany, has found that only 10 rivers may be to blame for millions of tonnes of ocean plastic.
EU audit speeds up fishing sector's thorough checks
Thailand Thai authorities have been urged to boost the fishing sector ahead of a visit by European Union representatives to audit the country's measures against illegal fishing next month.
Brussels settle deal with Norway and Faroe Islands on mackerel
European Union The European Commission welcomes the agreement reached in London between the European Union, Norway and the Faroe Islands on the mackerel fishery in 2018.
 
Maruha Nichiro Corporation
Nichirei Corporation -Headquarter-
Pesquera El Golfo S.A.
Ventisqueros - Productos del Mar Ventisqueros S.A
Wärtsilä Corporation -Wartsila Group Headquarter-
ITOCHU Corporation -Headquarter-
BAADER - Nordischer Maschinenbau Rud. Baader GmbH+Co.KG (Head Office)
Inmarsat plc - Global Headquarters
Marks & Spencer
Tesco PLC (Supermarket) - Headquarters
Sea Harvest Corporation (PTY) Ltd.
I&J - Irvin & Johnson Holding Company (Pty) Ltd.
Blue Continent Products (Pty) Ltd - (Oceana Group Limited)
Pesquera San Jose S.A.
Nutreco N.V. - Head Office
CNFC China National Fisheries Corporation - Group Headquarters
W. van der Zwan & Zn. B.V.
SMMI - Sunderland Marine Mutual Insurance Co., Ltd. - Headquarters
Icicle Seafoods Inc. -Headquarter-
Starkist Seafood Co. - Headquearters
Trident Seafoods Corp.
American Seafoods Group LLC - Head Office
Marel - Group Headquarters
SalMar ASA - Group Headquarters
Sajo Industries Co., Ltd
Hansung Enterprise Co.,Ltd.
BIM - Irish Sea Fisheries Board (An Bord Iascaigh Mhara)
CEFAS - Centre for Environment, Fisheries & Aquaculture Science
COPEINCA ASA - Corporacion Pesquera Inca S.A.C.
Chun Cheng Fishery Enterprise Pte Ltd.
VASEP - Vietnam Association of Seafood Exporters & Producers
Gomes da Costa
Furuno Electric Co., Ltd. (Headquarters)
NISSUI - Nippon Suisan Kaisha, Ltd. - Group Headquarters
FAO -Food and Agriculture Organization- Fisheries and Aquaculture Department (Headquarter)
Hagoromo Foods Co., Ltd.
Koden Electronics Co., Ltd. (Headquarters)
A.P. Møller - Maersk A/S - Headquarters
BVQI - Bureau Veritas Quality International (Head Office)
UPS - United Parcel Service, Inc. - Headquarters
Hamburg Süd Group - (Headquearters)
Armadora Pereira S.A. - Group Headquarters
NOAA - National Oceanic and Atmospheric Administration (Headquarters)
Omega Protein Corporation -Headquarter-
Marona S.A.
Marine Harvest ASA - Headquarters
Marubeni Europe Plc -UK-
Findus Ltd
Icom Inc. (Headquarter)
WWF Centroamerica
Oceana Group Limited
The David and Lucile Packard Foundation
Ajinomoto Co., Inc. - Headquarters
Friosur S.A. - Headquarters
Cargill, Incorporated - Global Headquarters
Benihana Inc.
Leardini Pescados Ltda
Mitsubishi Corporation Marine Products Depts. D.Team
CJ Corporation  - Group Headquarters
Greenpeace International - The Netherlands
David Suzuki Foundation
Fisheries and Oceans Canada -Communications Branch-
Mitsui & Co.,Ltd - Headquarters
NOREBO Group (former Ocean Trawlers Group)
Natori Co., Ltd.
Carrefour Supermarket - Headquarters
FedEx Corporation -Headquarter-
AKBM - Aker BioMarine ASA
Seafood Choices Alliance -Headquarter-
Austevoll Seafood ASA
Walmart / Wal-Mart Stores, Inc. (Supermarket) -Headquarter-
New Japan Radio Co.Ltd (JRC) -Head Office-
Gulfstream JSC
INVE Group - Head Office
Marine Stewardship Council - MSC Worldwide Headquarters
Royal Dutch Shell plc (Headquarter)
Genki Sushi Co.,Ltd -Headquarter-
Iceland Pelagic ehf
AXA Assistance Argentina S.A.
Caterpillar Inc. - Headquarters
Tiger Brands Limited
Morpol ASA - Group Headquarters
SeaChoice
National Geographic Society
AmazonFresh, LLC - AmazonFresh

Copyright 1995 - 2017 Fish Info & Services Co.Ltd| All Rights Reserved.   DISCLAIMER