Patterns of multiple paternity and maternity in fishes

Coleman, Seth W.; Jones, Adam G.

doi:10.1111/j.1095-8312.2011.01673.x

Cited by 107 publications

(141 citation statements)

References 132 publications

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“…Coleman and Jones (2011) found no support for this hypothesis in freshwater versus marine fishes and instead suggest that the type of parental care is a stronger predictor of patterns of parentage. This pattern may be especially difficult to tease apart in decapod crustaceans because the degree of parental care and habitat are generally confounded (Vogt 2013).…”

Section: Discussionmentioning

confidence: 85%

Evidence for multiple paternity in two species of Orconectes crayfish

2014

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Multiple mating is expected to be common in organisms that produce large clutches as a mechanism by which sexual reproduction can enrich genetic variation. For freshwater crayfish, observation of multiple mating suggests the potential for high rates of multiple paternity, but genetic confirmation is largely lacking from natural populations. We studied paternity within wild-caught broods of two crayfish species in the genus Orconectes (Sanborn's crayfish (Orconectes sanbornii (Faxon, 1884)) and the Allegheny crayfish (Orconectes obscurus (Hagen, 1870))). Although females have been observed mating with multiple males, this is the first genetic confirmation of multiple paternity in broods of these two species. Berried females were collected in the field and maintained in aquaria until their eggs hatched. We amplified and genotyped extracted DNA from maternal and hatchling tissue for several microsatellite loci. For both species, paternity reconstruction (GERUD 2.0) yielded 2-3 sires per brood and no single paternity clutches. We discuss these results from natural populations in light of the body of work on reproductive ecology of decapod crustaceans and in the context of changes in life history following the transition from marine to freshwater habitats.

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Section: Discussionmentioning

confidence: 85%

Evidence for multiple paternity in two species of Orconectes crayfish

2014

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“…This leads to multiple mating and increased phenotypic variance of the preferred trait. Multiple mating is common in natural populations and has been well documented in insects (Arnqvist and Nilsson, 2000), birds (Schmoll, 2011), fish (Coleman and Jones, 2011), reptiles (Uller and Olsson, 2008) and mammals (Wolff and Macdonald, 2004). A variety of adaptive (Jennions and Petrie, 2000;Neff and Svensson, 2013) and nonadaptive (Forstmeier et al, 2014) hypotheses have been put forward for multiple mating but we propose here that multiple mating may frequently result simply as a consequence of females having a limited sample of males to choose from.…”

Section: Discussionmentioning

confidence: 92%

Bias in the heritability of preference and its potential impact on the evolution of mate choice

Roff

Fairbairn

2015

Heredity

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The evolution of mate choice is a function of the heritability of preference. Estimation in the laboratory is typically made by presenting a female with a limited number of males. We show that such an approach produces a downwardly biased estimate, which we term the heritability of choice. When preference is treated as a threshold trait then less biased estimates are obtained particularly for preferences based on the relative value of the preferred trait. Because females in the wild typically survey on average less than five males we argue that the heritability of choice may be more meaningful than the heritability of preference. The restricted number of males surveyed can lead to a reduction in the phenotypic variance of the preferred trait in the group of males selected by the females if the phenotypic variance in preference is equal to or less than the phenotypic variance in the referred trait. If the phenotypic variance in preference exceeds that of the preferred trait then the opposite occurs. A second effect of the restricted number of males sampled is that females are likely to mate initially with males that are not the most preferred. The failure to find the most preferred male may account for the common observation of multiple matings and extra-pair copulations. We suggest that current explanations for polyandry need to take this failure into account.

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“…For numerous species of fishes, nest take-overs have been documented, wherein a competitive individual displaces a resident for its nest or territory, gaining control over it (Coleman & Jones, 2011). As offspring in a newly acquired nest or territory are typically sired by previous residents, the take-over victor will suffer no direct fitness costs by consuming them (Coleman & Jones, 2011;Sargent, 1989). In the same vein, an association between low paternal certainty and filial cannibalism has been shown in several fish species.…”

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confidence: 98%

“…For example, a male can increase his own condition and fitness at the expense of a rival's reproductive success by eating the offspring sired by a competitor (Bertram, 1975;Polis, 1981;Smith & Reay, 1991). For numerous species of fishes, nest take-overs have been documented, wherein a competitive individual displaces a resident for its nest or territory, gaining control over it (Coleman & Jones, 2011). As offspring in a newly acquired nest or territory are typically sired by previous residents, the take-over victor will suffer no direct fitness costs by consuming them (Coleman & Jones, 2011;Sargent, 1989).…”

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confidence: 99%