巴西东南部狐狸的两性异形、雌性繁殖和食性

IF 0.6 4区生物学 Q4 ZOOLOGY

Phyllomedusa Pub Date : 2022-12-22 DOI:10.11606/issn.2316-9079.v21i2p151-159

Anathielle Caroline Sant’Anna, J. C. Carrillo, Priscila Hote, Diego Senra Lopes, E. T. Silva, D. Santana

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引用次数: 0

摘要

菲奥伊蛙（Physalaemus feoi）是一种南美蛙，原产于巴西大西洋森林，分布在米纳斯吉拉斯州和圣保罗州。我们评估了米纳斯吉拉斯州两个地点的P.feoi的两性异形、雌性生育能力和饮食，包括该物种的类型位置。我们收集了73只个体（16只成年雌性和57只成年雄性）。费伊P.feoi的卵母细胞数（xõ=1385±498.13）高于该属的其他物种，如斑叶P.maculativentris、signifer、cuvieri和ephipifer，但与中央P.centris、克罗耶里P.kroyeri和马尔莫拉图斯P.marmoratus相似。重要指数最高的猎物是鞘翅目（IIR=24.26）和蚁科（IIR=16.46）。我们发现在摄入猎物的数量和胃内容物的体积方面没有性别差异。总之，菲氏藻在两性异形、繁殖力和食性方面与该属其他物种相似。

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Sexual dimorphism, female fertility, and diet of Physalaemus feioi (Anura: Leptodactylidae) from southeastern Brazil

Physalaemus feioi is a South American frog endemic to the Brazilian Atlantic Forest that occurs in the states of Minas Gerais and São Paulo. We evaluated sexual dimorphism, female fertility, and diet of P. feioi from two locations in the state of Minas Gerais, including the type locality of the species. We collected 73 individuals (16 adult females and 57 adult males). The number of oocytes of P. feioi (x̅ = 1385 ±498.13) was higher than in other species of the genus, such as P. maculiventris, P. signifer, P. cuvieri, and P. ephippifer, but it resembles that of P. centralis, P. kroyeri, and P. marmoratus. The prey items with the highest index of importance were Coleoptera (IIR = 24.26) and Formicidae (IIR = 16.46). We found no sex differences regarding the number of ingested prey and the volume of the stomach contents. In summary, Physalaemus feioi was similar to other species of the genus regarding sexual dimorphism, fecundity, and feeding habits.

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来源期刊

Phyllomedusa ZOOLOGY-

CiteScore

1.00

自引率

25.00%

发文量

审稿时长

24 weeks

期刊介绍： PHYLLOMEDUSA publishes original research articles, short communications and review papers concerning the whole field of Herpetology. PHYLLOMEDUSA also maintains sections for Book Reviews. Manuscripts will be considered on condition that they have not been published elsewhere or are not under consideration for publication, in whole or in part, in another journal or book. Publication inPHYLLOMEDUSA, including color pictures, is free of charge. All manuscripts are subject to peer review. This process averages 90 days. Authors receive pdf proofs before publication and 30 reprints free of charge. Full-text pdf versions of all articles are available for free download in this homepage.