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Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish

Amy Ellison, Carlos Garcia De Leaniz Orcid Logo, Sofia Consuegra, S Consuegra del Olmo Orcid Logo

Molecular Ecology, Volume: 22, Issue: 8, Pages: 2292 - 2300

Swansea University Authors: Carlos Garcia De Leaniz Orcid Logo, S Consuegra del Olmo Orcid Logo

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DOI (Published version): 10.1111/mec.12238

Abstract

Aggressive behaviour plays an important role in securing resources, defending against predators and shaping social interactions. Although aggression can have positive effects on growth and reproductive success, it is also energetically costly and may increase injury and compromise survival. Individu...

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Published in: Molecular Ecology
Published: 2013
URI: https://cronfa.swan.ac.uk/Record/cronfa14066
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first_indexed 2013-07-23T12:11:38Z
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spelling 2016-09-07T14:38:32.7737278 v2 14066 2013-01-25 Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 241f2810ab8f56be53ca8af23e384c6e 0000-0003-4403-2509 S Consuegra del Olmo S Consuegra del Olmo true false 2013-01-25 SBI Aggressive behaviour plays an important role in securing resources, defending against predators and shaping social interactions. Although aggression can have positive effects on growth and reproductive success, it is also energetically costly and may increase injury and compromise survival. Individual genetic diversity has been positively associated with aggression, but the cause for such an association is not clear, and it might be related to the ability to recognize kin. To disentangle the relationships between genetic diversity, kinship and aggression, we quantified aggressive behaviour in a wild, self-fertilizing fish (Kryptolebias marmoratus) with naturally variable degrees of genetic diversity, relatedness and familiarity. We found that in contrast to captive fish, levels of aggression among wild K. marmoratus are positively associated with individual homozygosity, but not with relatedness or familiarity. We suggest that the higher aggression shown by homozygous fish could be related to better kin discrimination and may be facilitated by hermaphrodite competition for scarce males, given the fitness advantages provided by outcrossing in terms of parasite resistance. It seems likely that the relationship between aggression and genetic diversity is largely influenced by both the environment and population history. Journal Article Molecular Ecology 22 8 2292 2300 aggression; heterozygosity; inbreeding; Kryptolebias marmoratus ; relatedness; self-fertilization 31 12 2013 2013-12-31 10.1111/mec.12238 From the paper 'S.C. conceived the work, S.C., A.E. carried out the experiments, A.E., C.G.L. analysed the data, S.C., A.E.,C.G.L. wrote the manuscript'The author made a substantial contribution to: (a) 1. The analysis and interpretation of study data. and (b) The author helped draft the output; COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2016-09-07T14:38:32.7737278 2013-01-25T12:05:41.7044053 College of Science Biosciences Amy Ellison 1 Carlos Garcia De Leaniz 0000-0003-1650-2729 2 Sofia Consuegra 3 S Consuegra del Olmo 0000-0003-4403-2509 4
title Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
spellingShingle Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
Carlos Garcia De Leaniz
S Consuegra del Olmo
title_short Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
title_full Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
title_fullStr Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
title_full_unstemmed Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
title_sort Inbred and furious; negative association between aggression and genetic diversity in highly inbred fish
author_id_str_mv 1c70acd0fd64edb0856b7cf34393ab02
241f2810ab8f56be53ca8af23e384c6e
author_id_fullname_str_mv 1c70acd0fd64edb0856b7cf34393ab02_***_Carlos Garcia De Leaniz
241f2810ab8f56be53ca8af23e384c6e_***_S Consuegra del Olmo
author Carlos Garcia De Leaniz
S Consuegra del Olmo
author2 Amy Ellison
Carlos Garcia De Leaniz
Sofia Consuegra
S Consuegra del Olmo
format Journal article
container_title Molecular Ecology
container_volume 22
container_issue 8
container_start_page 2292
publishDate 2013
institution Swansea University
doi_str_mv 10.1111/mec.12238
college_str College of Science
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hierarchy_top_id collegeofscience
hierarchy_top_title College of Science
hierarchy_parent_id collegeofscience
hierarchy_parent_title College of Science
department_str Biosciences{{{_:::_}}}College of Science{{{_:::_}}}Biosciences
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description Aggressive behaviour plays an important role in securing resources, defending against predators and shaping social interactions. Although aggression can have positive effects on growth and reproductive success, it is also energetically costly and may increase injury and compromise survival. Individual genetic diversity has been positively associated with aggression, but the cause for such an association is not clear, and it might be related to the ability to recognize kin. To disentangle the relationships between genetic diversity, kinship and aggression, we quantified aggressive behaviour in a wild, self-fertilizing fish (Kryptolebias marmoratus) with naturally variable degrees of genetic diversity, relatedness and familiarity. We found that in contrast to captive fish, levels of aggression among wild K. marmoratus are positively associated with individual homozygosity, but not with relatedness or familiarity. We suggest that the higher aggression shown by homozygous fish could be related to better kin discrimination and may be facilitated by hermaphrodite competition for scarce males, given the fitness advantages provided by outcrossing in terms of parasite resistance. It seems likely that the relationship between aggression and genetic diversity is largely influenced by both the environment and population history.
published_date 2013-12-31T03:23:43Z
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