Paternity analysis of two male mating tactics in the fiddler crab, Uca mjoebergi

dc.contributor.authorReaney, Leeann
dc.contributor.authorMaurer, Golo
dc.contributor.authorBackwell, Patricia
dc.contributor.authorLinde, Celeste
dc.date.accessioned2015-12-10T23:15:34Z
dc.date.issued2012
dc.date.updated2016-02-24T12:10:11Z
dc.description.abstractThe fiddler crab Uca mjoebergi mates both underground in male-defended burrows and on the surface near female-defended burrows. The reproductive tract of Uca species facilitates last-male precedence, suggesting that males that do not guard-mated females are likely to gain very little paternity if the female re-mates with another male. Here, we test the reproductive success of burrow and surface matings using paternity analysis. We found that 100 % of the females that mated in burrows extruded a clutch of eggs. Furthermore, we show conclusively, for the first time in a fiddler crab species, that last-male sperm precedence results in the majority of the female's eggs being fertilised by the burrow-mated male. In contrast, surface matings resulted in significantly fewer females extruding eggs (5. 6 %). Paternity analysis also revealed that more than half of the clutches from burrow-mated females showed low levels of extra-pair paternity from previous matings. Although multiple matings appear common in U. mjoebergi, burrow-mated males that guard females are guaranteed a successful mating with extremely high rates of assured paternity. Surface matings therefore appear to be an opportunistic tactic that may increase male reproductive success in a highly competitive environment.
dc.identifier.issn0340-5443
dc.identifier.urihttp://hdl.handle.net/1885/64709
dc.publisherSpringer
dc.sourceBehavioral Ecology and Sociobiology
dc.subjectKeywords: burrow; clutch size; crab; facilitation; male behavior; marine ecosystem; paternity; reproductive success; sperm; Ocypodidae; Uca Burrow mating; Fiddler crab; Flexible opportunistic tactic; Mate guarding; Paternity; Surface mating
dc.titlePaternity analysis of two male mating tactics in the fiddler crab, Uca mjoebergi
dc.typeJournal article
local.bibliographicCitation.lastpage1024
local.bibliographicCitation.startpage1017
local.contributor.affiliationReaney, Leeann, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationMaurer, Golo, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationBackwell, Patricia, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLinde, Celeste, College of Medicine, Biology and Environment, ANU
local.contributor.authoremailu4040667@anu.edu.au
local.contributor.authoruidReaney, Leeann, u4072652
local.contributor.authoruidMaurer, Golo, u3979352
local.contributor.authoruidBackwell, Patricia, u4040667
local.contributor.authoruidLinde, Celeste, u4186704
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor060205 - Marine and Estuarine Ecology (incl. Marine Ichthyology)
local.identifier.absfor060207 - Population Ecology
local.identifier.absfor060411 - Population, Ecological and Evolutionary Genetics
local.identifier.absseo960802 - Coastal and Estuarine Flora, Fauna and Biodiversity
local.identifier.absseo970106 - Expanding Knowledge in the Biological Sciences
local.identifier.ariespublicationu9511635xPUB985
local.identifier.citationvolume66
local.identifier.doi10.1007/s00265-012-1349-9
local.identifier.scopusID2-s2.0-84862506432
local.identifier.thomsonID000305212900003
local.identifier.uidSubmittedByu9511635
local.type.statusPublished Version

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