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Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?

Xenophallus umbratilis is a freshwater livebearing fish that exhibits unique antisymmetry in the male gonopodium, which terminates in either a dextral or sinistral twist. This asymmetry in the gonopodium suggests that males might exhibit side-biased behavior when interacting with females to mate. We...

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Detalles Bibliográficos
Autores principales: Nielsen, Mary-Elise, Johnson, Erik S., Johnson, Jerald B.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9894382/
https://www.ncbi.nlm.nih.gov/pubmed/36730316
http://dx.doi.org/10.1371/journal.pone.0281267
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author Nielsen, Mary-Elise
Johnson, Erik S.
Johnson, Jerald B.
author_facet Nielsen, Mary-Elise
Johnson, Erik S.
Johnson, Jerald B.
author_sort Nielsen, Mary-Elise
collection PubMed
description Xenophallus umbratilis is a freshwater livebearing fish that exhibits unique antisymmetry in the male gonopodium, which terminates in either a dextral or sinistral twist. This asymmetry in the gonopodium suggests that males might exhibit side-biased behavior when interacting with females to mate. We conducted two assays to assess the laterality of male and female mating interactions based on gonopodial morphology. We observed lateralized mating behavior in one test where males with sinistral gonopodial morphology interacted with a single female. However, we did not find lateralized mating behavior in males with dextral gonopodial morphology. We also examined male and female positioning in trials that placed a single female with five males, all with the same morphology. These trials also showed no evidence of lateralized body positioning.
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spelling pubmed-98943822023-02-03 Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis? Nielsen, Mary-Elise Johnson, Erik S. Johnson, Jerald B. PLoS One Research Article Xenophallus umbratilis is a freshwater livebearing fish that exhibits unique antisymmetry in the male gonopodium, which terminates in either a dextral or sinistral twist. This asymmetry in the gonopodium suggests that males might exhibit side-biased behavior when interacting with females to mate. We conducted two assays to assess the laterality of male and female mating interactions based on gonopodial morphology. We observed lateralized mating behavior in one test where males with sinistral gonopodial morphology interacted with a single female. However, we did not find lateralized mating behavior in males with dextral gonopodial morphology. We also examined male and female positioning in trials that placed a single female with five males, all with the same morphology. These trials also showed no evidence of lateralized body positioning. Public Library of Science 2023-02-02 /pmc/articles/PMC9894382/ /pubmed/36730316 http://dx.doi.org/10.1371/journal.pone.0281267 Text en © 2023 Nielsen et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Nielsen, Mary-Elise
Johnson, Erik S.
Johnson, Jerald B.
Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title_full Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title_fullStr Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title_full_unstemmed Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title_short Does male gonopodial morphology affect male-female mating positioning in the livebearing fish Xenophallus umbratilis?
title_sort does male gonopodial morphology affect male-female mating positioning in the livebearing fish xenophallus umbratilis?
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9894382/
https://www.ncbi.nlm.nih.gov/pubmed/36730316
http://dx.doi.org/10.1371/journal.pone.0281267
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