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Individual boldness traits influenced by temperature in male Siamese fighting fish.

Forsatkar, Mohammad Navid, Nematollahi, Mohammad Ali, Biro, Peter and Beckmann, Christa 2016, Individual boldness traits influenced by temperature in male Siamese fighting fish., Physiology and behavior, vol. 165, pp. 267-272, doi: 10.1016/j.physbeh.2016.08.007.

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Title Individual boldness traits influenced by temperature in male Siamese fighting fish.
Author(s) Forsatkar, Mohammad Navid
Nematollahi, Mohammad Ali
Biro, PeterORCID iD for Biro, Peter orcid.org/0000-0002-3565-240X
Beckmann, ChristaORCID iD for Beckmann, Christa orcid.org/0000-0002-7904-7228
Journal name Physiology and behavior
Volume number 165
Start page 267
End page 272
Total pages 6
Publisher Elsevier
Place of publication Amsterdam ,The Netherlands
Publication date 2016-08-09
ISSN 1873-507X
1873-507X
Keyword(s) Behavior
Betta splendens
Boldness
Consistency
Personality
Temperature
Summary 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 10days, 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.
Language eng
DOI 10.1016/j.physbeh.2016.08.007
Field of Research 060201 Behavioural Ecology
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085840

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Created: Mon, 10 Oct 2016, 11:01:11 EST

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