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  • 1
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    DDT induced ethological changes in estuarine fish (1979)
    Springer
    Details
    Publication Date: 1979-03-01
    Print ISSN: 0378-1909
    Electronic ISSN: 1573-5133
    Topics: Biology
    Published by Springer
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    DDT induced ethological changes in estuarine fish (1979)
    Springer
    Environmental biology of fishes 4 (1979), S. 83-88 
    Details
    ISSN: 1573-5133
    Keywords: Teleost ; Behaviour ; Acute and subacute toxicity ; Morphological toxicosis ; Therapon jarbua ; Mullet juveniles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis Experiments were carried out to study the feeding rates of the predator fish Therapon jarbua (Forsk) on mullet juveniles, before and after treatment with DDT. Mullet juveniles treated with a subacute concentration, were refused by the control predators, whereas predators treated with a subacute concentration consumed more mullet juveniles. In the present study crescent perch T. jarbua were exposed to subacute and acute concentrations of DDT, and their behaviour was compared with that of the control predators. There were changes in oriented behaviour and co-ordinated movements, and in feeding, aggression and comfort behaviour of the fish. Inflammation in the gills, and caudal fin serration, were noticed in treated fishes. The findings presented here throw light on fundamental pathways by which pollutants interact with the behaviour of fishes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00005932
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    Paper (German National Licenses)
    Fulltext
  • 3
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    Pesticide induced physiological and behavioural changes in an estuarine teleost Therapon jarbua (Forsk) (2021)
    In:  http://aquaticcommons.org/id/eprint/17970 | 12051 | 2015-09-29 15:56:48 | 17970 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-03
    Description: Static bioassays were conducted with pesticides like PP'-DDT, Dimethoate (Rogor) and Carbaryl (Sevin) to determine the median lethal concentrations (LC sub(50)) on an estuarine teleost Therapon jarbua (Forsk). The respiration rates of fishes exposed to pesticides, as well as those of controls were determined. Respiration abnormalitieswere noticed in treated fishes. The metabolic rates are generally higher in treated fishes than in the controls. The behaviour of fishes exposed to LC sub(25) (96h) concentrations of pesticides is discussed. Estuarine fishes appear to be more sensitive and susceptible to pesticides than fresh water fishes. The pesticides affect the locomotory and swimming behaviour of fishes. Loss in weight of fishes exposed to LC sub(50) (96 h) concentration of pesticides was also estimated. The present report gives a comprehensive account of the toxic nature of these pesticides to fishes.
    Keywords: Chemistry ; Pollution ; Therapon jarbua ; pesticides ; metabolic rates ; respiration rates ; pollution effects ; behavioural changes ; physiological changes
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 115-119
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