Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)

Caudal autotomy is a striking adaptation used by many lizard species to evade predators. Most studies to date indicate that caudal autotomy impairs lizard locomotor performance. Surprisingly, some species bearing the longest tails show negligible impacts of caudal autotomy on sprint speed. Part of t...

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Autores principales:	Naiane Arantes Silva, Gabriel Henrique de Oliveira Caetano, Pedro Henrique Campelo, Vitor Hugo Gomes Lacerda Cavalcante, Leandro Braga Godinho, Donald Bailey Miles, Henrique Monteiro Paulino, Júlio Miguel Alvarenga da Silva, Bruno Araújo de Souza, Hosmano Batista Ferreira da Silva, Guarino Rinaldi Colli
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	lizard autotomy tail locomotion performance temperature Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/5fc8da24daa2480495a3e808451966db
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spelling	oai:doaj.org-article:5fc8da24daa2480495a3e808451966db2021-11-25T17:22:42ZEffects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)10.3390/d131105621424-2818https://doaj.org/article/5fc8da24daa2480495a3e808451966db2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-2818/13/11/562https://doaj.org/toc/1424-2818Caudal autotomy is a striking adaptation used by many lizard species to evade predators. Most studies to date indicate that caudal autotomy impairs lizard locomotor performance. Surprisingly, some species bearing the longest tails show negligible impacts of caudal autotomy on sprint speed. Part of this variation has been attributed to lineage effects. For the first time, we model the effects of caudal autotomy on the locomotor performance of a gymnophthalmid lizard, <i>Micrablepharus atticolus</i>, which has a long and bright blue tail. To improve model accuracy, we incorporated the effects of several covariates. We found that body temperature, pregnancy, mass, collection site, and the length of the regenerated portion of the tail were the most important predictors of locomotor performance. However, sprint speed was unaffected by tail loss. Apparently, the long tail of <i>M. atticolus</i> is more useful when using undulation amidst the leaf litter and not when using quadrupedal locomotion on a flat surface. Our findings highlight the intricate relationships among physiological, morphological, and behavioral traits. We suggest that future studies about the impacts of caudal autotomy among long-tailed lizards should consider the role of different microhabitats/substrates on locomotor performance, using laboratory conditions that closely mimic their natural environments.Naiane Arantes SilvaGabriel Henrique de Oliveira CaetanoPedro Henrique CampeloVitor Hugo Gomes Lacerda CavalcanteLeandro Braga GodinhoDonald Bailey MilesHenrique Monteiro PaulinoJúlio Miguel Alvarenga da SilvaBruno Araújo de SouzaHosmano Batista Ferreira da SilvaGuarino Rinaldi ColliMDPI AGarticlelizardautotomytaillocomotionperformancetemperatureBiology (General)QH301-705.5ENDiversity, Vol 13, Iss 562, p 562 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	lizard autotomy tail locomotion performance temperature Biology (General) QH301-705.5
spellingShingle	lizard autotomy tail locomotion performance temperature Biology (General) QH301-705.5 Naiane Arantes Silva Gabriel Henrique de Oliveira Caetano Pedro Henrique Campelo Vitor Hugo Gomes Lacerda Cavalcante Leandro Braga Godinho Donald Bailey Miles Henrique Monteiro Paulino Júlio Miguel Alvarenga da Silva Bruno Araújo de Souza Hosmano Batista Ferreira da Silva Guarino Rinaldi Colli Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
description	Caudal autotomy is a striking adaptation used by many lizard species to evade predators. Most studies to date indicate that caudal autotomy impairs lizard locomotor performance. Surprisingly, some species bearing the longest tails show negligible impacts of caudal autotomy on sprint speed. Part of this variation has been attributed to lineage effects. For the first time, we model the effects of caudal autotomy on the locomotor performance of a gymnophthalmid lizard, <i>Micrablepharus atticolus</i>, which has a long and bright blue tail. To improve model accuracy, we incorporated the effects of several covariates. We found that body temperature, pregnancy, mass, collection site, and the length of the regenerated portion of the tail were the most important predictors of locomotor performance. However, sprint speed was unaffected by tail loss. Apparently, the long tail of <i>M. atticolus</i> is more useful when using undulation amidst the leaf litter and not when using quadrupedal locomotion on a flat surface. Our findings highlight the intricate relationships among physiological, morphological, and behavioral traits. We suggest that future studies about the impacts of caudal autotomy among long-tailed lizards should consider the role of different microhabitats/substrates on locomotor performance, using laboratory conditions that closely mimic their natural environments.
format	article
author	Naiane Arantes Silva Gabriel Henrique de Oliveira Caetano Pedro Henrique Campelo Vitor Hugo Gomes Lacerda Cavalcante Leandro Braga Godinho Donald Bailey Miles Henrique Monteiro Paulino Júlio Miguel Alvarenga da Silva Bruno Araújo de Souza Hosmano Batista Ferreira da Silva Guarino Rinaldi Colli
author_facet	Naiane Arantes Silva Gabriel Henrique de Oliveira Caetano Pedro Henrique Campelo Vitor Hugo Gomes Lacerda Cavalcante Leandro Braga Godinho Donald Bailey Miles Henrique Monteiro Paulino Júlio Miguel Alvarenga da Silva Bruno Araújo de Souza Hosmano Batista Ferreira da Silva Guarino Rinaldi Colli
author_sort	Naiane Arantes Silva
title	Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
title_short	Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
title_full	Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
title_fullStr	Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
title_full_unstemmed	Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)
title_sort	effects of caudal autotomy on the locomotor performance of <i>micrablepharus atticolus</i> (squamata, gymnophthalmidae)
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5fc8da24daa2480495a3e808451966db
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Effects of Caudal Autotomy on the Locomotor Performance of <i>Micrablepharus Atticolus</i> (Squamata, Gymnophthalmidae)

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