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Volume 8, Issue 26 (Autumn 2014)
IJT 2014, 8(26): 1109-1113 |
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Forsatkar M N, Nematollahi M A, Mojazi Amiri B. Prozac Alters Reproductive Performance and Filial Cannibalism in Male Fighting Fish, Betta Splendens. IJT 2014; 8 (26) :1109-1113
URL: http://ijt.arakmu.ac.ir/article-1-345-en.html
URL: http://ijt.arakmu.ac.ir/article-1-345-en.html
Prozac Alters Reproductive Performance and Filial Cannibalism in Male Fighting Fish, Betta Splendens
1- Department of Fisheries, University of Tehran, Karaj, Iran.
2- Department of Fisheries, University of Tehran, Karaj, Iran. ,malahi@ut.ac.ir
2- Department of Fisheries, University of Tehran, Karaj, Iran. ,
Abstract: (7967 Views)
Background: Fluoxetine (ProzacTM) is one of the most popular antidepressant that can be released to aquatic systems via sewage-treatment effluents. It is suspected to provoke substantial effects in the aquatic environment.
Methods: In spawning tanks, specimens were exposed to concentrations of 0 and 0.54 µgl-1 fluoxetine from male introduction until the larvae had hatched. Prior to spawning, nest area and time spent for nest building were measured. Also, spawning duration, number of copulations per spawning and eggs per copulation, total produced eggs and hatching rate were recorded.
Results: The number of copulations, eggs per copulation and total produced eggs did not differ between the two treatments. Fluoxetine treatment significantly decreased the nest size, time spent for nest building and spawning duration. Also hatching rate was significantly lower during fluoxetine treatment than in the control condition. Notably, five fluoxetine treated males cannibalized their eggs and larvae. Conclusion: We showed that environmental exposure of fighting fish to fluoxetine potentially alters specific aspects of nest building and sexual behavior and, as a consequence, reproductive output.
Methods: In spawning tanks, specimens were exposed to concentrations of 0 and 0.54 µgl-1 fluoxetine from male introduction until the larvae had hatched. Prior to spawning, nest area and time spent for nest building were measured. Also, spawning duration, number of copulations per spawning and eggs per copulation, total produced eggs and hatching rate were recorded.
Results: The number of copulations, eggs per copulation and total produced eggs did not differ between the two treatments. Fluoxetine treatment significantly decreased the nest size, time spent for nest building and spawning duration. Also hatching rate was significantly lower during fluoxetine treatment than in the control condition. Notably, five fluoxetine treated males cannibalized their eggs and larvae. Conclusion: We showed that environmental exposure of fighting fish to fluoxetine potentially alters specific aspects of nest building and sexual behavior and, as a consequence, reproductive output.
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The Iranian Journal of Toxicology
Arak University of Medical Sciences in collaboration with the Iranian Society of Toxicology
Website: http://ijt.arakmu.ac.ir
Email: tox.journal@gmail.com
