性二态性的猫鲨属（软骨鱼纲：真鲨目：猫鲨科）的身体比例。
Sexually dimorphic body proportions in the catshark genus Scyliorhinus (Chondrichthyes: Carcharhiniformes: Scyliorhinidae).
机构信息
Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil.
出版信息
J Fish Biol. 2019 Aug;95(2):683-685. doi: 10.1111/jfb.14011. Epub 2019 Jun 3.
PMID:31087346
Abstract
Intersexual differences in morphometrics were investigated in five species of the catshark genus Scyliorhinus. ANCOVA was used to test 59 measurements, considering capture location and total length as covariates. In all examined species, pelvic-anal distances and pelvic-fin inner margin lengths were greater in males than in females, representing a clear pattern for the genus.
摘要
本研究调查了 5 种猫鲨属（Scyliorhinus）鱼类的形态差异。采用协方差分析（ANCOVA），考虑捕获地点和全长作为协变量，对 59 项测量指标进行了检验。在所研究的所有物种中，雄性的臀肛距和臀鳍内缘长度大于雌性，这代表了该属的一个明显模式。
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