Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA.
Mol Phylogenet Evol. 2010 Jul;56(1):456-61. doi: 10.1016/j.ympev.2010.02.014. Epub 2010 Feb 18.
The angelfish genus Holacanthus includes seven species in the tropical Eastern Pacific and Atlantic. In this study we performed an analysis on all species, the closely related regal angelfish, and the Cortez angelfish, using four mitochondrial and one nuclear marker. Our results support a monophyletic Holacanthus. The Indo-Pacific regal angelfish, Pygoplytes diacanthus, was found to be the closest relative to Holacanthus. We found a split into two clades with divergences that were consistent with the rise of the Isthmus of Panama. An internally calibrated molecular clock thus placed the origin of Holacanthus to approximately 10.2-7.6 million years ago.
神仙鱼属 Holacanthus 包括东太平洋和大西洋热带地区的七个物种。在这项研究中，我们使用了四个线粒体和一个核标记，对所有物种、密切相关的皇室神仙鱼和科尔特斯神仙鱼进行了分析。我们的结果支持 Holacanthus 是一个单系群。发现印度洋-太平洋皇室神仙鱼，Pygoplytes diacanthus，与 Holacanthus 关系最为密切。我们发现分为两个分支，分歧与巴拿马地峡的崛起一致。因此，内部校准的分子钟将 Holacanthus 的起源置于大约 1020 万至 760 万年前。
