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First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.)

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First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.). / Griffiths, Andrew M.; Jacoby, David; Casane, Didier et al.
In: The Journal of heredity, Vol. 103, No. 2, 01.03.2012, p. 166-173.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Griffiths, AM, Jacoby, D, Casane, D, McHugh, M, Croft, DP, Genner, MJ & Sims, DW 2012, 'First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.)', The Journal of heredity, vol. 103, no. 2, pp. 166-173. https://doi.org/10.1093/jhered/esr112

APA

Griffiths, A. M., Jacoby, D., Casane, D., McHugh, M., Croft, D. P., Genner, M. J., & Sims, D. W. (2012). First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.). The Journal of heredity, 103(2), 166-173. https://doi.org/10.1093/jhered/esr112

Vancouver

Griffiths AM, Jacoby D, Casane D, McHugh M, Croft DP, Genner MJ et al. First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.). The Journal of heredity. 2012 Mar 1;103(2):166-173. Epub 2011 Nov 3. doi: 10.1093/jhered/esr112

Author

Griffiths, Andrew M. ; Jacoby, David ; Casane, Didier et al. / First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.). In: The Journal of heredity. 2012 ; Vol. 103, No. 2. pp. 166-173.

Bibtex

@article{37a6439718544c96ae734469e6552e0b,
title = "First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.)",
abstract = "Multiple paternity (MP) has been demonstrated in a variety of sharks, although its prevalence and the number of sires per litter vary considerably among species. To date, such analyses have focused on viviparous species that possess only part of the wide spectrum of reproductive strategies developed in elasmobranchs. We analyzed MP in an oviparous species, the small-spotted catshark (Scyliorhinus canicula). In total, 150 neonates originating from 13 different mothers were genotyped using 12 microsatellite loci. MP was commonplace, with progeny from 92% of females sired by multiple males. This result is consistent with the reproductive biology of the species, particularly its protracted breeding season and potential for long-term sperm storage. The significance of these findings is discussed in light of small-spotted catshark behavior, which suggests that the cost of avoiding mating attempts initiated by males may be high and is therefore supportive of convenience polyandry as an explanation for MP. Eggs were followed from the time they were laid to when they hatched, offering a rare opportunity to investigate juvenile development in more detail.",
keywords = "coercive mating, dogfish, egg laying, elasmobranch, genetic polyandry, Scyliorhinidae",
author = "Griffiths, {Andrew M.} and David Jacoby and Didier Casane and Matthew McHugh and Croft, {Darren P.} and Genner, {Martin J.} and Sims, {David W.}",
year = "2012",
month = mar,
day = "1",
doi = "10.1093/jhered/esr112",
language = "English",
volume = "103",
pages = "166--173",
journal = "The Journal of heredity",
issn = "0022-1503",
publisher = "Oxford University Press",
number = "2",

}

RIS

TY - JOUR

T1 - First Analysis of Multiple Paternity in an Oviparous Shark, the Small-Spotted Catshark (Scyliorhinus canicula L.)

AU - Griffiths, Andrew M.

AU - Jacoby, David

AU - Casane, Didier

AU - McHugh, Matthew

AU - Croft, Darren P.

AU - Genner, Martin J.

AU - Sims, David W.

PY - 2012/3/1

Y1 - 2012/3/1

N2 - Multiple paternity (MP) has been demonstrated in a variety of sharks, although its prevalence and the number of sires per litter vary considerably among species. To date, such analyses have focused on viviparous species that possess only part of the wide spectrum of reproductive strategies developed in elasmobranchs. We analyzed MP in an oviparous species, the small-spotted catshark (Scyliorhinus canicula). In total, 150 neonates originating from 13 different mothers were genotyped using 12 microsatellite loci. MP was commonplace, with progeny from 92% of females sired by multiple males. This result is consistent with the reproductive biology of the species, particularly its protracted breeding season and potential for long-term sperm storage. The significance of these findings is discussed in light of small-spotted catshark behavior, which suggests that the cost of avoiding mating attempts initiated by males may be high and is therefore supportive of convenience polyandry as an explanation for MP. Eggs were followed from the time they were laid to when they hatched, offering a rare opportunity to investigate juvenile development in more detail.

AB - Multiple paternity (MP) has been demonstrated in a variety of sharks, although its prevalence and the number of sires per litter vary considerably among species. To date, such analyses have focused on viviparous species that possess only part of the wide spectrum of reproductive strategies developed in elasmobranchs. We analyzed MP in an oviparous species, the small-spotted catshark (Scyliorhinus canicula). In total, 150 neonates originating from 13 different mothers were genotyped using 12 microsatellite loci. MP was commonplace, with progeny from 92% of females sired by multiple males. This result is consistent with the reproductive biology of the species, particularly its protracted breeding season and potential for long-term sperm storage. The significance of these findings is discussed in light of small-spotted catshark behavior, which suggests that the cost of avoiding mating attempts initiated by males may be high and is therefore supportive of convenience polyandry as an explanation for MP. Eggs were followed from the time they were laid to when they hatched, offering a rare opportunity to investigate juvenile development in more detail.

KW - coercive mating

KW - dogfish

KW - egg laying

KW - elasmobranch

KW - genetic polyandry

KW - Scyliorhinidae

U2 - 10.1093/jhered/esr112

DO - 10.1093/jhered/esr112

M3 - Journal article

VL - 103

SP - 166

EP - 173

JO - The Journal of heredity

JF - The Journal of heredity

SN - 0022-1503

IS - 2

ER -