Neural pathways of olfactory kin imprinting and kin recognition in zebrafish

Gerlach, Gabriele, and Wullimann, Mario F. (2021) Neural pathways of olfactory kin imprinting and kin recognition in zebrafish. Cell and Tissue Research, 383. pp. 273-287.

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Teleost fish exhibit extraordinary cognitive skills that are comparable to those of mammals and birds. Kin recognition based on olfactory and visual imprinting requires neuronal circuits that were assumed to be necessarily dependent on the interaction of mammalian amygdala, hippocampus, and isocortex, the latter being a structure that teleost fish are lacking. We show that teleosts—beyond having a hippocampus and pallial amygdala homolog—also have subpallial amygdalar structures. In particular, we identify the medial amygdala and neural olfactory central circuits related to kin imprinting and kin recognition corresponding to an accessory olfactory system despite the absence of a separate vomeronasal organ.

Item ID: 67008
Item Type: Article (Research - C1)
ISSN: 1432-0878
Keywords: Accessory olfactory system, Amygdala, Crypt cells, Imprinting, Kin recognition, Social behavior, Vomeronasal system
Copyright Information: © 2021, The Author(s). Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit
Date Deposited: 26 Apr 2022 02:35
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