Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size
It is well established that the average metabolism of many species of fish varies with group size. However, it is not clear whether all individuals respond in the same way. Here, we use a newly calibrated method of measuring the metabolic rate of fish from opercular (ventilatory) movements that allo...
Published in: | Proceedings of the Royal Society B: Biological Sciences |
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ftuglasgow:oai:eprints.gla.ac.uk:42532 2023-05-15T15:32:30+02:00 Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size Millidine, K.J. Metcalfe, N.B. Armstrong, J.D. 2009 https://eprints.gla.ac.uk/42532/ https://doi.org/10.1098/rspb.2009.1219 unknown The Royal Society Millidine, K.J. <http://eprints.gla.ac.uk/view/author/14610.html>, Metcalfe, N.B. <http://eprints.gla.ac.uk/view/author/10179.html> and Armstrong, J.D. <http://eprints.gla.ac.uk/view/author/6717.html> (2009) Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size. Proceedings of the Royal Society of London Series B: Biological Sciences <https://eprints.gla.ac.uk/view/journal_volume/Proceedings_of_the_Royal_Society_of_London_Series_B=3A_Biological_Sciences.html>, 276(1675), pp. 3989-3993. (doi:10.1098/rspb.2009.1219 <https://doi.org/10.1098/rspb.2009.1219>) Articles PeerReviewed 2009 ftuglasgow https://doi.org/10.1098/rspb.2009.1219 2022-09-22T22:10:19Z It is well established that the average metabolism of many species of fish varies with group size. However, it is not clear whether all individuals respond in the same way. Here, we use a newly calibrated method of measuring the metabolic rate of fish from opercular (ventilatory) movements that allows for the first-time estimation of changes in resting metabolic rate (RMR) of each individual within different social groups and when alone. The presence of a conspecific had divergent effects on the RMR of juvenile Atlantic salmon Salmo salar, depending on its relative body size: the presence of a smaller fish caused a 40 per cent reduction, whereas the presence of a slightly larger fish approximately doubled RMR. These effects occurred in the absence of activity and were sustained at lower magnitude in the case of the relatively smaller conspecific even if a transparent barrier prevented any physical interactions between fish. Changes in RMR were mirrored by changes in eye colour that indicate they were linked to stress levels. These contrasting and strong responses show that even the nearby presence of a conspecific can have profound and variable effects on an individual's energy budget; they also highlight the complex trade-offs involved in social interactions Article in Journal/Newspaper Atlantic salmon Salmo salar University of Glasgow: Enlighten - Publications Proceedings of the Royal Society B: Biological Sciences 276 1675 3989 3993 |
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University of Glasgow: Enlighten - Publications |
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ftuglasgow |
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description |
It is well established that the average metabolism of many species of fish varies with group size. However, it is not clear whether all individuals respond in the same way. Here, we use a newly calibrated method of measuring the metabolic rate of fish from opercular (ventilatory) movements that allows for the first-time estimation of changes in resting metabolic rate (RMR) of each individual within different social groups and when alone. The presence of a conspecific had divergent effects on the RMR of juvenile Atlantic salmon Salmo salar, depending on its relative body size: the presence of a smaller fish caused a 40 per cent reduction, whereas the presence of a slightly larger fish approximately doubled RMR. These effects occurred in the absence of activity and were sustained at lower magnitude in the case of the relatively smaller conspecific even if a transparent barrier prevented any physical interactions between fish. Changes in RMR were mirrored by changes in eye colour that indicate they were linked to stress levels. These contrasting and strong responses show that even the nearby presence of a conspecific can have profound and variable effects on an individual's energy budget; they also highlight the complex trade-offs involved in social interactions |
format |
Article in Journal/Newspaper |
author |
Millidine, K.J. Metcalfe, N.B. Armstrong, J.D. |
spellingShingle |
Millidine, K.J. Metcalfe, N.B. Armstrong, J.D. Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
author_facet |
Millidine, K.J. Metcalfe, N.B. Armstrong, J.D. |
author_sort |
Millidine, K.J. |
title |
Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
title_short |
Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
title_full |
Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
title_fullStr |
Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
title_full_unstemmed |
Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
title_sort |
presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size |
publisher |
The Royal Society |
publishDate |
2009 |
url |
https://eprints.gla.ac.uk/42532/ https://doi.org/10.1098/rspb.2009.1219 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_relation |
Millidine, K.J. <http://eprints.gla.ac.uk/view/author/14610.html>, Metcalfe, N.B. <http://eprints.gla.ac.uk/view/author/10179.html> and Armstrong, J.D. <http://eprints.gla.ac.uk/view/author/6717.html> (2009) Presence of a conspecific causes divergent changes in resting metabolism, depending on its relative size. Proceedings of the Royal Society of London Series B: Biological Sciences <https://eprints.gla.ac.uk/view/journal_volume/Proceedings_of_the_Royal_Society_of_London_Series_B=3A_Biological_Sciences.html>, 276(1675), pp. 3989-3993. (doi:10.1098/rspb.2009.1219 <https://doi.org/10.1098/rspb.2009.1219>) |
op_doi |
https://doi.org/10.1098/rspb.2009.1219 |
container_title |
Proceedings of the Royal Society B: Biological Sciences |
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276 |
container_issue |
1675 |
container_start_page |
3989 |
op_container_end_page |
3993 |
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1766363003361427456 |