Idioma:

Prey to predator body size ratio in the evolution of cooperative hunting—a social spider test case

Grinsted, Lena ; Schou, Mads F. ; Settepani, Virginia ; Holm, Christina ; Bird, Tharina L. ; Bilde, Trine

Development genes and evolution, 2020-03, Vol.230 (2), p.173-184 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

Texto completo disponível

Citações Citado por

Enviar para

Título:
Prey to predator body size ratio in the evolution of cooperative hunting—a social spider test case
Autor: Grinsted, Lena ; Schou, Mads F. ; Settepani, Virginia ; Holm, Christina ; Bird, Tharina L. ; Bilde, Trine
Assuntos: Animal behavior ; Animal Genetics and Genomics ; Biologi ; Biological Sciences ; Biomedical and Life Sciences ; Body size ; Cell Biology ; Developmental Biology ; Dietary niche ; Ecology ; Ekologi ; Evolution ; Evolutionary Biology ; Group living ; Hunting ; Life Sciences ; Natural Sciences ; Naturvetenskap ; Original Article ; Phenotypic plasticity ; Plant Genetics and Genomics ; Predator-prey interactions ; Predators ; Prey ; Social evolution ; Spiders ; Zoology
É parte de: Development genes and evolution, 2020-03, Vol.230 (2), p.173-184
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: One of the benefits of cooperative hunting may be that predators can subdue larger prey. In spiders, cooperative, social species can capture prey many times larger than an individual predator. However, we propose that cooperative prey capture does not have to be associated with larger caught prey per se, but with an increase in the ratio of prey to predator body size. This can be achieved either by catching larger prey while keeping predator body size constant, or by evolving a smaller predator body size while maintaining capture of large prey. We show that within a genus of relatively large spiders, Stegodyphus , subsocial spiders representing the ancestral state of social species are capable of catching the largest prey available in the environment. Hence, within this genus, the evolution of cooperation would not provide access to otherwise inaccessible, large prey. Instead, we show that social Stegodyphus spiders are smaller than their subsocial counterparts, while catching similar sized prey, leading to the predicted increase in prey-predator size ratio with sociality. We further show that in a genus of small spiders, Anelosimus , the level of sociality is associated with an increased size of prey caught while predator size is unaffected by sociality, leading to a similar, predicted increase in prey-predator size ratio. In summary, we find support for our proposed ‘prey to predator size ratio hypothesis’ and discuss how relaxed selection on large body size in the evolution of social, cooperative living may provide adaptive benefits for ancestrally relatively large predators.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

Links

Voltar para lista de resultados

Realização: Logos de Redes Sociais:

Prey to predator body size ratio in the evolution of cooperative hunting—a social spider test case

Grinsted, Lena ; Schou, Mads F. ; Settepani, Virginia ; Holm, Christina ; Bird, Tharina L. ; Bilde, Trine

Berlin/Heidelberg: Springer Berlin Heidelberg

Buscando em bases de dados remotas. Favor aguardar.