Show simple item record

dc.contributor.authorTurschwell, Mischa
dc.contributor.authorWhite, Craig R.
dc.date.accessioned2018-01-19T04:29:25Z
dc.date.available2018-01-19T04:29:25Z
dc.date.issued2016
dc.identifier.issn2046-6390en_US
dc.identifier.doi10.1242/bio.015024en_US
dc.identifier.urihttp://hdl.handle.net/10072/100400
dc.description.abstractIt has long been hypothesised that there is a functional correlation between brain size and metabolic rate in vertebrates. The present study tested this hypothesis in wild-caught adult mosquitofish Gambusia holbrooki by testing for an intra-specific association between resting metabolic rate (RMR) and brain size while controlling for variation in body size, and through the examination of the effects of spatial enrichment and laboratory housing on body mass-independent measures of brain size and RMR. Controlling for body mass, there was no relationship between brain size and RMR in wild-caught fish. Contrary to predictions, spatial enrichment caused a decrease in mass-independent brain size, highlighting phenotypic plasticity in the adult brain. As expected, after controlling for differences in body size, wild-caught fish had relatively larger brains than fish that had been maintained in the laboratory for a minimum of six weeks, but wild-caught fish also had significantly lower massindependent RMR. This study demonstrates that an organisms’ housing environment can cause significant plastic changes to fitness related traits including brain size and RMR. We therefore conclude that current standard laboratory housing conditions may cause captive animals to be non-representative of their wild counterparts, potentially undermining the transferability of previous laboratorybased studies of aquatic ectothermic vertebrates to wild populations.en_US
dc.description.peerreviewedYesen_US
dc.languageEnglishen_US
dc.publisherThe Company of Biologistsen_US
dc.relation.ispartofpagefrom205en_US
dc.relation.ispartofpageto210en_US
dc.relation.ispartofjournalBiology Openen_US
dc.relation.ispartofvolume5en_US
dc.subject.fieldofresearchBiological Sciences not elsewhere classifieden_US
dc.subject.fieldofresearchcode069999en_US
dc.titleThe effects of laboratory housing and spatial enrichment on brain size and metabolic rate in the eastern mosquitofish, Gambusia holbrookien_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
dcterms.licensehttp://creativecommons.org/licenses/by/3.0en_US
dc.description.versionPublisheden_US
gro.facultyGriffith Sciences, Griffith School of Environmenten_US
gro.rights.copyright© 2015 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.en_US
gro.hasfulltextFull Text


Files in this item

This item appears in the following Collection(s)

  • Journal articles
    Contains articles published by Griffith authors in scholarly journals.

Show simple item record