183
Views
7
CrossRef citations to date
0
Altmetric
Articles

Circadian locomotor activity and entrainment by light cycles in cave spiders (Dipluridae and Ctenidae) at the cave Los Riscos, Qro. México

, , , &
Pages 949-955 | Received 06 Feb 2013, Accepted 21 Feb 2013, Published online: 10 May 2013
 

Abstract

Caves are a special environment in which to study the persistence of circadian rhythms in animals living in an apparent non cyclic environment. Diversity of animals from caves has been studied in order to detect circadian activity in different behaviors. This study reports that most spiders of the families Dipluridae and Ctenidae, found in the deepest and middle zones respectively of the Los Riscos cave, in Querétaro State, México, present circadian rhythms of locomotor activity in free running, and light-dark cycles induce a notable change in circadian period, suggesting an entraining of the locomotor activity rhythm. We discuss the existence of remnant circadian photoreceptors in a nonphotic environment, but also that nonphotic zeitgebers may entrain circadian activity of the fauna inside the cave.

Acknowledgements

We thank T. Bosques-Tistler for helpful comments and the English edition. Adriana Espino del Castillo, Miguel A. Hernández Patricio, Yunuén Ávila, Marisol E. Vega Orihuela, Itzel Sigala Regalado, Stephanie Ortega García and Ricardo Paredes León (Biospeleology group, Facultad de Ciencias, UNAM) for assistance on field expeditions. Fernado Álvarez Padilla and Uriel Garcilazo Cruz for their help with spiders taxonomy. Financial assistance was provided by the program PAPIIT, UNAM, Grants IN221906, IN226010 and IN 219113 to J.B.M-M.

Log in via your institution

Log in to Taylor & Francis Online

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 387.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.