Metabolic rate, social status and life-history strategies in Atlantic salmon
An animal's relative social status has major short- and long-term consequences, yet its determinants are rarely known. Here a strong relationship between status and standard metabolic rate (SMR) in juvenile Atlantic salmon,Salmo salar, is demonstrated; the higher the SMR, the more dominant the...
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| Veröffentlicht in: | Animal behaviour 1995-02, Vol.49 (2), p.431-436 |
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| container_title | Animal behaviour |
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| creator | METCALFE, NEIL B. TAYLOR, ALAN C. THORPE, JOHN E. |
| description | An animal's relative social status has major short- and long-term consequences, yet its determinants are rarely known. Here a strong relationship between status and standard metabolic rate (SMR) in juvenile Atlantic salmon,Salmo salar, is demonstrated; the higher the SMR, the more dominant the fish. After controlling for SMR, the relative size, weight or date of first feeding of two opponents had no effect on the outcome of encounters. Moreover, these differences in SMR are not a consequence of experience in encounters, since it has previously been shown that the onset of aggressive behaviour occurs later. Since relative social status has a significant influence on subsequent developmental pathways in this species, these results indicate an indirect link between intraspecific variation in metabolic rates and life-history strategies. |
| doi_str_mv | 10.1006/anbe.1995.0056 |
| format | Article |
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Here a strong relationship between status and standard metabolic rate (SMR) in juvenile Atlantic salmon,Salmo salar, is demonstrated; the higher the SMR, the more dominant the fish. After controlling for SMR, the relative size, weight or date of first feeding of two opponents had no effect on the outcome of encounters. Moreover, these differences in SMR are not a consequence of experience in encounters, since it has previously been shown that the onset of aggressive behaviour occurs later. 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Since relative social status has a significant influence on subsequent developmental pathways in this species, these results indicate an indirect link between intraspecific variation in metabolic rates and life-history strategies.</description><subject>Animal behavior</subject><subject>Behavioral psychophysiology</subject><subject>Biological and medical sciences</subject><subject>Brackish</subject><subject>Fish</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Marine</subject><subject>Metabolism</subject><subject>Miscellaneous</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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Psychology</topic><topic>Marine</topic><topic>Metabolism</topic><topic>Miscellaneous</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. 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| fulltext | fulltext |
| identifier | ISSN: 0003-3472 |
| ispartof | Animal behaviour, 1995-02, Vol.49 (2), p.431-436 |
| issn | 0003-3472 1095-8282 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Animal behavior Behavioral psychophysiology Biological and medical sciences Brackish Fish Freshwater Fundamental and applied biological sciences. Psychology Marine Metabolism Miscellaneous Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Salmo salar |
| title | Metabolic rate, social status and life-history strategies in Atlantic salmon |
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