[1].[J].Asian Herpetological Research,2014,5(4):271-275.[doi:10.3724/SP.J.1245.2014.00271]
 Lixia ZHANG,Yunyun ZHAO,Ling SHI,et al.Sexual Dimorphism in Mass of the Hindlimb Muscles of the Piebald Odorous Frog (Odorrana schmackeri)[J].Asian Herpetological Research(AHR),2014,5(4):271-275.[doi:10.3724/SP.J.1245.2014.00271]


Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

Original Article


Sexual Dimorphism in Mass of the Hindlimb Muscles of the Piebald Odorous Frog (Odorrana schmackeri)
Lixia ZHANG1 Yunyun ZHAO1 Ling SHI Xiaohong CHEN1* Youqiang LU12 and Liang QIAO1
1 Department of Zoology, College of Life Sciences, Henan Normal University, Xinxiang 453007, Henan, China
2 Huarui College of Xinyang Normal University, Xinyang 464000, Henan, China
Amplexus hindlimb muscle Odorrana schmackeri sexual dimorphism sexual selection
Male-biased sexual dimorphism in hind limb muscles is widespread in anuran species where scramble competition is common among males. Such sexual difference is thought to result from sexual selection. In this view, we tested the differences in muscle mass between the sexes and between amplectant and non-amplectant males by quantifying the mass of four hindlimb muscles (triceps femoris, sartorius, gracilis and plantaris longus) of females and males of Odorrana schmackeri. The results showed that females significantly exceeded males for muscle triceps femoris, gracilis, plantaris longus and total mass when controlled for body size. There are no significant differences between amplectant and non-amplectant males. It is probable that the maintenance of the amplectant position in O. schmackeri may depend on the strength of hindlimb muscles in females to support the pair.


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更新日期/Last Update: 2016-01-25