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Innate sound production in the cichlid Oreochromis niloticus
Longrie, N.; Fine, M.L.; Parmentier, E. (2008). Innate sound production in the cichlid Oreochromis niloticus. J. Zool. (1987) 275(4): 413-417.
In: Journal of Zoology (1987). Zoological Society of London: London. ISSN 0952-8369, more
Peer reviewed article  

Available in  Authors 

    Cichlidae Bonaparte, 1835 [WoRMS]; Tilapia Smith, 1840 [WoRMS]; Fresh water
Author keywords
    Cichlidae; Tilapia; reproduction; acoustic; behaviour

Authors  Top 
  • Longrie, N., more
  • Fine, M.L.
  • Parmentier, E., more

    The mouthbrooding cichlid Oreochromis niloticus is one of the world's best-studied fish and is raised extensively for aquaculture. Although it is a common behavioural model, its acoustic communication has been neglected. Because of extensive parental care, the species is a good candidate for vocal learning. In male O. niloticus, we investigated for the first time sound production in agonistic interactions during nest construction. Males produce short-duration (250–400 ms), often double-pulse sounds. Most energy is below 200 Hz and includes three main low-frequency peaks although energy extends beyond 1 kHz. Males (separated as eggs and raised in isolation) produce similar sounds in the same context as parental fish, indicating that the ability to produce sounds and the basic properties of the sounds are innate.

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