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Do Metabolic Traits, Vulnerability to Angling, or Capture Method Explain Boldness Variation in Eurasian Perch?

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published version
Date
2018
Author(s)
Väätäinen, Reetta
Huuskonen, Hannu
Hyvärinen, Pekka
Kekäläinen, Jukka
Kortet, Raine
Torrehas Arnedo, Marina
Vainikka, Anssi
Unique identifier
10.1086/700434
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Citation
Väätäinen, Reetta. Huuskonen, Hannu. Hyvärinen, Pekka. Kekäläinen, Jukka. Kortet, Raine. Torrehas Arnedo, Marina. Vainikka, Anssi. (2018). Do Metabolic Traits, Vulnerability to Angling, or Capture Method Explain Boldness Variation in Eurasian Perch?.  Physiological and Biochemical Zoology, 91 (6) , 1115-1128. 10.1086/700434.
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Abstract

The pace-of-life syndrome (POLS) concept predicts that individuals with high baseline metabolic rates demonstrate high boldness, aggressiveness, and activity, especially in food acquisition, with associated relatively greater energy requirements. In fishes, these behaviors may increase individual vulnerability to angling. To test the predictions of the POLS concept, we quantified individual standard metabolic rate (SMR) and boldness in both wild-caught and hatchery-reared Eurasian perch (Perca fluviatilis). We found both SMR and boldness to be repeatable traits but detected no correlation between them. Individual vulnerability to angling was assessed in the hatchery-reared perch, but we found no difference in boldness or SMR between vulnerable and nonvulnerable perch. Wild-caught perch were ice fished using either natural or artificial bait, and we observed no differences in boldness or SMR with respect to bait type or capture order. Our findings do not support the predictions of the POLS concept and, consistent with earlier studies in perch, suggest that angling may not drive selection against boldness in this species.

Subjects
personality   standard metabolic rate   thyroxine   growth rate   recreational fishing   
URI
https://erepo.uef.fi/handle/123456789/7851
Link to the original item
http://dx.doi.org/10.1086/700434
Publisher
University of Chicago Press
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  • Luonnontieteiden ja metsätieteiden tiedekunta [1109]
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