How conflict shapes evolution in poeciliid fishes

Andrew I. Furness, Bart J.A. Pollux, Robert Meredith, Mark S. Springer, David N. Reznick

Research output: Contribution to journalArticleResearchpeer-review

Abstract

In live-bearing animal lineages, the evolution of the placenta is predicted to create an arena for genomic conflict during pregnancy, drive patterns of male sexual selection, and increase the rate of speciation. Here we test these predictions of the viviparity driven conflict hypothesis (VDCH) in live-bearing poecilid fishes, a group showing multiple independent origins of placentation and extreme variation in male sexually selected traits. As predicted, male sexually selected traits are only gained in lineages that lack placentas; while there is little or no influence of male traits on the evolution of placentas. Both results are consistent with the mode of female provisioning governing the evolution of male attributes. Moreover, it is the presence of male sexually selected traits (pre-copulatory), rather than placentation (post-copulatory), that are associated with higher rates of speciation. These results highlight a causal interaction between female reproductive mode, male sexual selection and the rate of speciation, suggesting a role for conflict in shaping diverse aspects of organismal biology.

Original languageEnglish
Article number3335
JournalNature Communications
Volume10
Issue number1
DOIs
StatePublished - 1 Dec 2019

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Bearings (structural)
fishes
Fish
Fishes
Animals
Placenta
Placentation
provisioning
pregnancy
biology
animals
Pregnancy

Cite this

Furness, A. I., Pollux, B. J. A., Meredith, R., Springer, M. S., & Reznick, D. N. (2019). How conflict shapes evolution in poeciliid fishes. Nature Communications, 10(1), [3335]. https://doi.org/10.1038/s41467-019-11307-5
Furness, Andrew I. ; Pollux, Bart J.A. ; Meredith, Robert ; Springer, Mark S. ; Reznick, David N. / How conflict shapes evolution in poeciliid fishes. In: Nature Communications. 2019 ; Vol. 10, No. 1.
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Furness, AI, Pollux, BJA, Meredith, R, Springer, MS & Reznick, DN 2019, 'How conflict shapes evolution in poeciliid fishes', Nature Communications, vol. 10, no. 1, 3335. https://doi.org/10.1038/s41467-019-11307-5

How conflict shapes evolution in poeciliid fishes. / Furness, Andrew I.; Pollux, Bart J.A.; Meredith, Robert; Springer, Mark S.; Reznick, David N.

In: Nature Communications, Vol. 10, No. 1, 3335, 01.12.2019.

Research output: Contribution to journalArticleResearchpeer-review

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