Universität zu Köln

Oswald, Pia ORCID: 0000-0002-5920-8397, Tunnat, Benjamin A., Hahn, Luca G. and Caspers, Barbara A. (2020). There is no place like home: Larval habitat type and size affect risk-taking behaviour in fire salamander larvae (Salamandra salamandra). Ethology, 126 (9). S. 914 - 922. HOBOKEN: WILEY. ISSN 1439-0310

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Abstract

Individual life histories are strongly influenced by early environmental conditions and experiences. They shape morphology as well as behaviour and can promote adaptive divergence and phenotypic plasticity with regard to different habitat types. The fire salamander (Salamandra salamandra) in the Kottenforst forest in Bonn, Germany, exhibits two genetically distinct ecotypes occurring in two larval habitats, either ponds or streams. In this study, we investigated whether both ecotypes differ in risk-taking behaviour, measured as the behavioural response during a shelter-emergence test and a shelter-seeking test, and whether larval habitat type and size impact these behaviours. Our results revealed an influence of size as well as habitat type. Larger larvae of both habitats appear to be more risk-prone, as they spent more time outside the starting shelter in the shelter-emergence test. Irrespective of size, pond larvae sought shelter more often in the shelter-seeking test and are thus considered to be less risk-prone. These results indicate that larvae conform to a given niche by adjusting their behaviour. Future studies are needed to disentangle the role of genetic adaptation or phenotypic plasticity and to investigate long-term consequences of the larval habitat for the adult phenotype. Thereby, efforts should be made to create a concise set of multiple tests assessing behavioural patterns.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Oswald, Pia UNSPECIFIED orcid.org/0000-0002-5920-8397 UNSPECIFIED Tunnat, Benjamin A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hahn, Luca G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Caspers, Barbara A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-329686
DOI:	10.1111/eth.13070
Journal or Publication Title:	Ethology
Volume:	126
Number:	9
Page Range:	S. 914 - 922
Date:	2020
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1439-0310
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language EARLY NUTRITION; PHENOTYPIC PLASTICITY; PREDATION RISK; GROWTH; ADAPTATION; FOOD; ENVIRONMENT; TRAITS; DIFFERENTIATION; METAMORPHOSIS Multiple languages Psychology, Biological; Behavioral Sciences; Zoology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32968