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Acoustic communication in marine shallow waters: testing the acoustic adaptive hypothesis in sand gobies
Amorim, M.C.P.; Vasconcelos, R.O.; Bolgan, M.; Pedroso, S.S.; Fonseca, P.J. (2018). Acoustic communication in marine shallow waters: testing the acoustic adaptive hypothesis in sand gobies. J. Exp. Biol. 221(22): jeb183681. https://dx.doi.org/10.1242/jeb.183681
In: The Journal of Experimental Biology. Cambridge University Press: London. ISSN 0022-0949; e-ISSN 1477-9145, meer
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| Trefwoorden |
Gobiidae Cuvier, 1816 [WoRMS]; Pomatoschistus Gill, 1863 [WoRMS]
Marien/Kust |
| Author keywords |
Gobiidae; Pomatoschistus; Acoustic communication; Acoustic window;Ambient noise; Auditory sensitivity |
| Auteurs | | Top |
- Amorim, M.C.P.
- Vasconcelos, R.O.
- Bolgan, M., meer
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- Pedroso, S.S.
- Fonseca, P.J.
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| Abstract |
Acoustic communication is an important part of social behaviour of fish species that live or breed in shallow noisy waters. Previous studies have shown that some fish species exploit a quiet window in the background noise for communication. However, it remains to be examined whether hearing abilities and sound production of fish are adapted to marine habitats presenting high hydrodynamism. Here, we investigated whether the communication system of the painted (Pomatoschistus pictus) and the marbled (Pomatoschistus marmoratus) gobies is adapted to enhance sound transmission and reception in Atlantic shallow water environments. We recorded and measured the sound pressure levels of social vocalisations of both species, as well as snapshots of ambient noise of habitats characterised by different hydrodynamics. Hearing thresholds (in terms of both sound pressure and particle acceleration) and responses to conspecific signals were determined using the auditory evoked potential recording technique. We found that the peak frequency range (100–300 Hz) of acoustic signals matched the best hearing sensitivity in both species and appeared well adapted for short-range communication in Atlantic habitats. Sandy/rocky exposed beaches presented a quiet window, observable even during the breaking of moderate waves, coincident with the main sound frequencies and best hearing sensitivities of both species. Our data demonstrate that the hearing abilities of these gobies are well suited to detect conspecific sounds within typical interacting distances (a few body lengths) in Atlantic shallow waters. These findings lend support to the acoustic adaptive hypothesis, under the sensory drive framework, proposing that signals and perception systems coevolve to be effective within local environment constraints. |
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