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Hypoxia and male behaviour in an African cichlid Pseudocrenilabrus multicolor victoriae

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Abstract:

This study tested the prediction that hypoxia may reduce the frequency of energetically expensive behaviours by quantifying male mating and aggressive displays in the cichlid Pseudocrenilabrus multicolor victoriae after long-term acclimation (5 months) to either high dissolved oxygen (DO) or low DO. Regardless of DO treatment, males engaged in more aggressive displays than mating displays; however, males acclimated to low DO reduced their total number of displays compared to high DO-acclimated males.

Keywords: Cichlidae; East Africa; aggression; low oxygen

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1095-8649.2011.02996.x

Publication date: June 1, 2011

bsc/jfb/2011/00000078/00000007/art00017
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