Sound production

During acoustic communication, an animal (signaller) transmits information to other individuals (receivers) using sound signals and thus attempts to influence the behaviour of these individuals, expecting one or both the signaller and receiver to receive fitness benefits. An efficient mode of communication requires the property to emit signals, the ability of these signals to be transmitted without modifications, their reception and interpretation. The complexity and variability of the acoustic signals differ widely according to the taxonomic groups but also in function of the environments, the developmental stage and the past of the signaller. Many fish species have developed independently in distant phylogenetic taxa mechanisms allowing them to emit sounds. However, studies on the characterisation of acoustic communication and of the mechanisms involved in Teleosts are scarce or were done mainly for a few particular species.

Our aim is to determine the fundamental components of the (inter and intraspecific) acoustic communication, and to describe and explain the mechanisms implied in sonic production and reception in various taxa of adult teleosts, and during their development. The aim is dual.

 

To determine the importance of acoustic communication in the biology and in the survival of the species (breeding behaviour, agonistic interactions, cooperation, social interactions, etc.).

To determine the potential contribution of the acoustic communication to the comprehension of the speciation phenomena.