Article (Scientific journals)
Endemic fish calling: Acoustics and reproductive behaviour of the Neretva dwarf goby Orsinigobius croaticus
Horvatić, Sven; Parmentier, Eric; Malavasi, Stefano et al.
2023In Ecology and Evolution, 13, p. 10673
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Abstract :
[en] The Neretva dwarf goby Orsinigobius croaticus (Gobiiformes, Gobionellidae) is an endemic fish native to the freshwaters of the Adriatic Basin in Croatia and Bosnia and Herzegovina, a Mediterranean Biodiversity Hotspot. Due to its limited distribution range, specific karst habitat and endangered status, laboratory studies on reproductive biology are scarce but crucial. Herein, we investigated the sound production and acoustic behaviour of the endangered O. croaticus during reproductive intersexual laboratory encounters, utilising an interdisciplinary approach. We also performed dissections and micro-computed tomography (μCT) scanning of the pectoral girdle to explore its potential involvement in sound production. Finally, comparative acoustic analysis was conducted on sounds produced by previously recorded soniferous sand gobies to investigate whether acoustic features are species-specific. The endemic O. croaticus is a soniferous species. Males of this species emit pulsatile sounds composed of a variable number of short (~15 ms) consecutive pulses when interacting with females, usually during the pre-spawning phase in the nest, but also during courtship outside the nest. Pulsatile sounds were low-frequency and short pulse trains (~140 Hz, <1000 ms). Male visual behaviour rate was higher when co-occurring with sounds and females entered the male's nest significantly more frequently when sounds were present. Characteristic body movements accompanied male sound production, such as head thrust and fin spreading. Furthermore, μCT scans and dissections suggest that O. croaticus shares certain anatomical similarities of the pectoral girdle (i.e. osseous elements and arrangement of levator pectoralis muscles) to previously studied sand gobies that could be involved in sound production. Multivariate comparisons, using sounds produced by eight soniferous European sand gobies, effectively distinguished soniferous (and sympatric) species based on their acoustic properties. However, the discrimination success decreased when temperature-dependent features (sound duration and pulse repetition rate) were excluded from the analysis. Therefore, we suggest both spectral and temporal features are important for the acoustic differentiation of sand gobies.
Research Center/Unit :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
AFFISH-RC - Applied and Fundamental FISH Research Center - ULiège
Disciplines :
Zoology
Author, co-author :
Horvatić, Sven;  Department of Zoology, Faculty of Science, University of Zagreb, Zagreb, Croatia
Parmentier, Eric  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Morphologie fonctionnelle et évolutive
Malavasi, Stefano;  Department of Environmental Sciences, Informatics and Statistics, Cà Foscari, University of Venice, Italy
Amorim, Maria;  Departamento de Biologia Animal and MARE -Marine and Environmental Sciences Centre, Faculdade de Ciências, ARNET -Aquatic Research Network, Universidade de Lisboa, Lisbon, Portugal
Fonseca, Paulo;  cE3c -Centre for Ecology, Evolution and Environmental Changes, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
Zanella, Davor;  Department of Zoology, Faculty of Science, University of Zagreb, Zagreb, Croatia
Language :
English
Title :
Endemic fish calling: Acoustics and reproductive behaviour of the Neretva dwarf goby Orsinigobius croaticus
Publication date :
2023
Journal title :
Ecology and Evolution
eISSN :
2045-7758
Publisher :
Wiley, Oxford, United Kingdom
Volume :
13
Pages :
e10673
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 November 2023

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