Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/22004
Title: Individual boldness traits influenced by temperature in male Siamese fighting fish
Contributor(s): Forsatkar, Mohammad Navid (author); Nematollahi, Mohammad Ali (author); Biro, Peter A (author); Beckmann, Christa (author)orcid 
Publication Date: 2016
DOI: 10.1016/j.physbeh.2016.08.007
Handle Link: https://hdl.handle.net/1959.11/22004
Abstract: Temperature has profound effects on physiology of ectothermic animals. However, the effects on temperature variation on behavioral traits are poorly studied in contrast to physiological endpoints. This may be important as even small differences in temperatures have large effects on physiological rates including overall metabolism, and behavior is known to be linked to metabolism at least in part. The primary aim of this study was to determine the effects of ambient temperature on boldness responses of a species of fish commonly used in behavioral experiments, the Siamese fighting fish (Betta splendens). At 26 C, subjects were first examined for baseline behaviors over three days, using three different (but complementary) 'open field' type assays tested in a fixed order. Those same fish were next exposed to either the same temperature (26 C) or a higher temperature (30 C) for 10 days, and then the same behavioral assays were repeated. Those individuals exposed to increased temperatures reduced their latency to leave the release area (area I), spent more time in area III (farthest from release area), and were more active overall; together we infer these behaviors to reflect an increase in general 'boldness' with increased temperature. Our results add to a limited number of studies of temperature effects on behavioral tendencies in ectotherms that are evident even after some considerable acclimation. From a methodological perspective, our results indicate careful temperature control is needed when studying behavior in this and other species of fish.
Publication Type: Journal Article
Source of Publication: Physiology & Behavior, v.165, p. 267-272
Publisher: Elsevier Inc
Place of Publication: United States of America
ISSN: 1873-507X
0031-9384
Field of Research (FOR): 060801 Animal Behaviour
060201 Behavioural Ecology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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