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Please use this identifier to cite or link to this item: http://ri.uaemex.mx/handle20.500.11799/110059
DC FieldValueLanguage
dc.creatorFRANCISCO JAVIER MANJARREZ SILVA-
dc.creatorCONSTANTINO DE JESUS MACIAS GARCIA-
dc.creatorHUGH MICHAEL DRUMMOND DUREY-
dc.date2020-03-05-
dc.date.accessioned2022-04-21T06:03:20Z-
dc.date.available2022-04-21T06:03:20Z-
dc.identifierhttp://hdl.handle.net/20.500.11799/110059-
dc.identifier.urihttp://ri.uaemex.mx/handle20.500.11799/110059-
dc.descriptionArticulo de investigación científica publicado en revista indizada-
dc.descriptionIn this study, we explored chemosensory, ingestive and prey-catching responses of neonate Mexican Black-bellied Gartersnakes (Thamnophis melanogaster) to crayfish (Cambarellus montezumae). By comparing snakes from a recently discovered crayfisheating population and a typical non-crayfish-eating population, we asked which behavioral components change as a species enlarges its feeding niche. In the crayfisheating population chemosensory responsiveness to crayfish was not enhanced but its heritability was higher. Neonates of both populations showed similar preference for freshly-molted versus unmolted crayfish, and whereas the tendency to ingest both crayfish stages remained stable between ages 15 and 90 days in the non-crayfisheating population, in the crayfish-eating population it actually decreased. Techniques to catch and manipulate molted crayfish were similar in the two populations. We discuss the possibility that there is no increase in the behavioral response to eat crayfish by the neonates of the crayfish-eating populations, possibly due to the absence of ecological and spatial isolation between the two T. melanogaster populations. The crayfish ingestion in some population of T. melanogaster can be explained by environmental differences between populations, or by recent origin of crayfish ingestion in T. melanogaster.-
dc.descriptionUniversidad Autónoma del Estado de México (3589/2013SF, 4047/2016SF, 4865/2019SF).-
dc.languageeng-
dc.publisherPeerJ-
dc.relation10.7717/peerj.8718-
dc.rightsinfo:eu-repo/semantics/openAccess-
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0-
dc.source2167-8359-
dc.subjectNeonates-
dc.subjectThamnophis-
dc.subjectCrayfish-
dc.subjectChemosensory response-
dc.subjectIngestive response-
dc.subjectFeeding niche-
dc.subjectBehavioral response-
dc.subjectinfo:eu-repo/classification/cti/5-
dc.titleCongenital feeding response to a novel prey in a Mexican gartersnake-
dc.typearticle-
dc.audiencestudents-
dc.audienceresearchers-
item.grantfulltextnone-
item.fulltextNo Fulltext-
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