Courtship and agonistic sounds by the cichlid fish Pseudotropheus zebra

Simões, José Miguel; Duarte, Inês G.; Fonseca, Paulo Jorge; Turner, George F.; Amorim, Maria Clara Pessoa

http://hdl.handle.net/10400.12/1409

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Authors

Amorim, Maria Clara Pessoa

Abstract(s)

Courtship and agonistic interactions in an African cichlid species present a richer diversity of acoustic stimuli than previously reported. Male cichlids, including those from the genus Pseudotropheus (P.), produce low frequency short pulsed sounds during courtship. Sounds emitted by P. zebra males in the early stages of courtship during quiver were found to be significantly longer and with a higher number of pulses than sounds produced in later stages. During agonistic intrasexual quiver displays, males produced significantly longer sounds with more pulses than females. Also, male sounds had a shorter duration and pulse period in courtship than in male–male interactions. Taken together, these results show that the acoustic repertoire of this species is larger than what was previously known and emphasize the importance of further research exploiting the role of acoustic stimuli in intra- and interspecific communication in African cichlids.