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See detailPotential mechanism of sound production in Oreochromis niloticus (Cichlidae)
Longrie, Nicolas ULg; Van Wassenbergh, Sam; Mauguit, Quentin ULg et al

in Journal of Experimental Biology (2009), 212

Detailed reference viewed: 54 (16 ULg)
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See detailInnate sound production in the cichlid Oreochromis niloticus
Longrie, Nicolas ULg; Fine, M. L.; Parmentier, Eric ULg

in Journal of Zoology (2008), 275

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 ... [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. [less ▲]

Detailed reference viewed: 72 (16 ULg)