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Article

Do Sand Smelt (Atherina presbyter Cuvier, 1829) Larvae Discriminate among Conspecifics Using Different Sensory Cues?

MARE—Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Rua Jardim do Tabaco 34, 1149-041 Lisboa, Portugal
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Academic Editors: Pedro Morais and Antonio Bode
Received: 9 October 2020 / Revised: 14 August 2021 / Accepted: 7 September 2021 / Published: 28 September 2021
(This article belongs to the Special Issue Fish Larval Biology and Ecology)
The ability of shoaling fish to recognise and differentiate between potential groupmates may affect their fitness and survival. Fish are capable of social recognition and multiple sensory cues mediate the recognition mechanisms. This has been comprehensively studied for juvenile and adult freshwater species. However, the recognition ability and mechanisms intervening during the larval phase of marine species are yet poorly understood. Fish larvae are capable of discriminating conspecifics from heterospecifics based on chemical and/or visual cues, but whether this recognition occurs at finer scales, such as discerning among conspecifics of different reefs, is yet understudied. Here, we tested the hypothesis that larvae of a marine fish species, the sand smelt (Atherina presbyter Cuvier, 1829), are able to recognise and associate with conspecifics of their natal reef versus conspecifics of a non-natal reef based on three sensory modalities—chemical, visual, and chemical and visual simultaneously. Results do not support our hypothesis, but still provide evidence of group cohesion and indicate large differences in the relative importance of the different senses when associating with conspecifics, with visual cues playing a more important role than chemical cues alone. View Full-Text
Keywords: chemical cues; visual cues; shoals; conspecifics; social recognition chemical cues; visual cues; shoals; conspecifics; social recognition
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MDPI and ACS Style

Vicente, P.; Faria, A.M. Do Sand Smelt (Atherina presbyter Cuvier, 1829) Larvae Discriminate among Conspecifics Using Different Sensory Cues? Oceans 2021, 2, 675-687. https://0-doi-org.brum.beds.ac.uk/10.3390/oceans2040038

AMA Style

Vicente P, Faria AM. Do Sand Smelt (Atherina presbyter Cuvier, 1829) Larvae Discriminate among Conspecifics Using Different Sensory Cues? Oceans. 2021; 2(4):675-687. https://0-doi-org.brum.beds.ac.uk/10.3390/oceans2040038

Chicago/Turabian Style

Vicente, Patrícia, and Ana M. Faria 2021. "Do Sand Smelt (Atherina presbyter Cuvier, 1829) Larvae Discriminate among Conspecifics Using Different Sensory Cues?" Oceans 2, no. 4: 675-687. https://0-doi-org.brum.beds.ac.uk/10.3390/oceans2040038

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