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Atypical assortative mating based on body size in an explosive-breeding toad from a tropical island of southern China
Wang, Tongliang1; Jia, Lele1; Zhai, Xiaofei1; Cui, Jianguo2; Wang, Jichao1
2018-06-01
Source PublicationBEHAVIOURAL PROCESSES
ISSN0376-6357
Volume151Pages:1-5
AbstractMating patterns exhibit considerable infra- and interspecific variation. Sexual selection can lead to the occurrence of random and assortative mating in different populations of the same species. Thus, understanding variation in mating decisions is crucial to understanding variation in the direction of sexual selection. We investigated natural mating patterns in Black-spectacled toads (Duttaphrynus melanostictus), an explosive-breeding species that breeds throughout the year. We captured amplectant pairs (137) and non-amplectant males (212) during breeding seasons from November 2016 to April 2017 in tropical-island population of southern China. Our study found no significant difference in snout-vent length (SVL) between amplectant and non-amplectant males. Female and male SVL were positively correlated with each other. Small females were paired more frequently with small males, less frequently with large males, but had no preference for or against medium males. Medium females exhibited no preference. Large females showed no preference for large males, but were paired less frequently with small males. These data suggested that successful amplectant males had body sizes representative of the entire population. Both random and size-assortative mating were present simultaneously in the same population and within the same breeding season. Female choice was important in shaping the mating behavior of Black-spectacled toads, promoting genotype-frequency stabilization and body-size diversity in the population.
KeywordBlack-spectacled toad Body size Mating pattern Sexual selection Female preference
DOI10.1016/j.beproc.2018.02.018
WOS KeywordFROG HYLA-LABIALIS ; SEXUAL SELECTION ; BUFO-BUFO ; FEMALE CHOICE ; MATE CHOICE ; FERTILIZATION SUCCESS ; PATTERN VARIABILITY ; EVOLUTION ; POPULATIONS ; DIMORPHISM
Language英语
Funding ProjectInnovative Training Program for College Students at Hainan Normal University[cxcyxj2017088] ; National Natural Science Foundation of China[31260518] ; Education Department of Hainan Province[00501023523]
WOS Research AreaPsychology ; Behavioral Sciences ; Zoology
WOS SubjectPsychology, Biological ; Behavioral Sciences ; Zoology
WOS IDWOS:000432505500001
Funding OrganizationInnovative Training Program for College Students at Hainan Normal University ; National Natural Science Foundation of China ; Education Department of Hainan Province
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/26215
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorWang, Jichao
Affiliation1.Hainan Normal Univ, Coll Life Sci, Minist Educ, Key Lab Ecol Trop Isl, Haikou, Hainan, Peoples R China
2.Chinese Acad Sci, Chengdu Inst Biol, Chengdu, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Tongliang,Jia, Lele,Zhai, Xiaofei,et al. Atypical assortative mating based on body size in an explosive-breeding toad from a tropical island of southern China[J]. BEHAVIOURAL PROCESSES,2018,151:1-5.
APA Wang, Tongliang,Jia, Lele,Zhai, Xiaofei,Cui, Jianguo,&Wang, Jichao.(2018).Atypical assortative mating based on body size in an explosive-breeding toad from a tropical island of southern China.BEHAVIOURAL PROCESSES,151,1-5.
MLA Wang, Tongliang,et al."Atypical assortative mating based on body size in an explosive-breeding toad from a tropical island of southern China".BEHAVIOURAL PROCESSES 151(2018):1-5.
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