Article (Scientific journals)
Brain lateralization involved in visual recognition of conspecifics in coral reef fish at recruitment
Roux, Natacha; Duran, Emilio; Lanyon, Rynae G. et al.
2016In Animal Behaviour, 117, p. 3-8
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Keywords :
brain lateralization; coral reef fishes; telencephalon; visual recognition; settlment; larvae
Abstract :
[en] In vertebrates, brain functional asymmetries are widespread and increase brain performance. Some species of fishes are known to have brain asymmetries; however, little information is available on brain lateralization in coral reef fishes and the impact this could have during the recruitment phase. In this study, soldierfish, Myripristis pralinia, at the larval and juvenile stage recognized conspecifics through visual cues. Larvae with the ablation of either the right or left telencephalic hemisphere lost the attraction towards conspecific cues. In contrast, juveniles with the ablation of the right (but not left) telencephalic hemisphere still displayed a preference towards conspecific visual cues. These results suggest the left telencephalic hemisphere is responsible for the lateralization process used in the visual recognition of coral reef fish juveniles. The determinism of lateralized perception of conspecifics during fish ontogeny may be a consequence of genetic factors, linked with the metamorphosis processes and/or environmental factors such as predation at recruitment.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
AFFISH-RC - Applied and Fundamental FISH Research Center - ULiège
Disciplines :
Aquatic sciences & oceanology
Zoology
Environmental sciences & ecology
Author, co-author :
Roux, Natacha
Duran, Emilio
Lanyon, Rynae G.
Frederich, Bruno  ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Berthe, Cécile
Besson, Marc
Dixson, Danielle L.
Lecchini, David
Language :
English
Title :
Brain lateralization involved in visual recognition of conspecifics in coral reef fish at recruitment
Publication date :
June 2016
Journal title :
Animal Behaviour
ISSN :
0003-3472
eISSN :
1095-8282
Publisher :
Academic Press, London, United Kingdom
Volume :
117
Pages :
3-8
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Tahiti Pearls grant IRCP-2011-4
Available on ORBi :
since 02 June 2016

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