Group augmentation on trial: helpers in small groups enhance antipredator defence of eggs.
Neolamprologus pulcher
altruism
antipredator defence
cooperative breeding
group size
shelter digging
Journal
Biology letters
ISSN: 1744-957X
Titre abrégé: Biol Lett
Pays: England
ID NLM: 101247722
Informations de publication
Date de publication:
Oct 2022
Oct 2022
Historique:
entrez:
5
10
2022
pubmed:
6
10
2022
medline:
7
10
2022
Statut:
ppublish
Résumé
Mechanisms selecting for the evolution of cooperative breeding are hotly debated. While kin selection theory has been the central paradigm to explain the seemingly altruistic behaviour of non-reproducing helpers, it is increasingly recognized that direct fitness benefits may be highly relevant. The group augmentation hypothesis proposes that alloparental care may evolve to enhance group size when larger groups yield increased survival and/or reproductive success. However, there is a lack of empirical tests. Here we use the cooperatively breeding cichlid fish
Identifiants
pubmed: 36196551
doi: 10.1098/rsbl.2022.0170
pmc: PMC9533001
doi:
Substances chimiques
Sand
0
Banques de données
Dryad
['10.5061/dryad.x95x69pm4']
figshare
['10.6084/m9.figshare.c.6196949']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
20220170Références
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