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Behaviour of Heteropneustes fossilis under Stress of Thiodan Toxicity

Behaviour of Heteropneustes fossilis under Stress of Thiodan Toxicity The freshwater catfish, H. fossilis, exposed to the 96 h‐LC50 (0.007 … 0.013 ppm) of the organochlorine thíodan (endosulfan) for 4 days, developed behavioural anomalies within 30 min of exposure. Increased opercular movement rate, greater frequency of surfacing for gulping air, restlessness, aimless wandering, tendency to move individually instead of in groups, lethargy and disoriented locomotion were commonly observed and became marked by the end of 12 h of exposure. Subsequently, some individuals tended to recover while others developed uncontrolled, continuous and irreversible contortions and died. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta hydrochimica et hydrobiologica Wiley

Behaviour of Heteropneustes fossilis under Stress of Thiodan Toxicity

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References (5)

Publisher
Wiley
Copyright
Copyright © 1990 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0323-4320
eISSN
1521-401X
DOI
10.1002/aheh.19900180418
Publisher site
See Article on Publisher Site

Abstract

The freshwater catfish, H. fossilis, exposed to the 96 h‐LC50 (0.007 … 0.013 ppm) of the organochlorine thíodan (endosulfan) for 4 days, developed behavioural anomalies within 30 min of exposure. Increased opercular movement rate, greater frequency of surfacing for gulping air, restlessness, aimless wandering, tendency to move individually instead of in groups, lethargy and disoriented locomotion were commonly observed and became marked by the end of 12 h of exposure. Subsequently, some individuals tended to recover while others developed uncontrolled, continuous and irreversible contortions and died.

Journal

Acta hydrochimica et hydrobiologicaWiley

Published: Jan 1, 1990

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