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Review of the Indo-Pacific Pseudojuloides cerasinus species complex with a description of two new species (Teleostei: Labridae)

Victor, Benjamin C.


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{
  "description": "<p>The Pseudojuloides cerasinus species complex is a paradigm of the application of DNA taxonomy to coral-reef fish classification. Once considered a pan-Indo-Pacific species ranging from South Africa to the Hawaiian Islands, P. cerasinus has been divided into three different allopatric species in the Indian Ocean, based on differences in male-display color patterns and relatively deep genetic divergences. In this study, the Pacific Ocean populations are shown to represent four species: the original type population in the Hawaiian Islands; a new western Pacific species Pseudojuloides splendens, ranging from Japan to Australia and across most of the South Pacific; a new species Pseudojuloides polynesica, from French Polynesia and the Line Islands; and Pseudojuloides pyrius Randall &amp; Randall, 1981, endemic to the Marquesas Islands. The mtDNA lineages of the complex diverge from 3.5&ndash;11.3% in the sequence of the mtDNA-barcode marker COI. The species illustrate some of the more interesting phenomena in the evolution of species complexes among coral reef fishes: the species differences are mainly in male-display color patterns, the degree of phenotypic divergence does not correlate with the amount of genetic divergence (the most different-appearing species is one of the least divergent), and a corollary that the various genetic lineages must be distinguished to avoid paraphyly in the taxonomic construct of the species complex. A neighbor-joining tree and genetic distance matrix are presented for the seven species of the P. cerasinus species complex.</p>", 
  "license": "http://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Ocean Science Foundation, 4051 Glenwood, Irvine, CA 92604 and Guy Harvey Research Institute, Nova Southeastern University, 8000 North Ocean Drive, Dania Beach, FL 33004", 
      "@type": "Person", 
      "name": "Victor, Benjamin C."
    }
  ], 
  "url": "https://zenodo.org/record/1068462", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-11-29", 
  "headline": "Review of the Indo-Pacific Pseudojuloides cerasinus species complex with a description of two new species (Teleostei: Labridae)", 
  "keywords": [
    "ichthyology", 
    "taxonomy", 
    "systematics", 
    "coral reef fishes", 
    "wrasses", 
    "Labridae", 
    "labriformes", 
    "Indo-Pacific Ocean", 
    "DNA barcoding"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.1068462", 
  "@id": "https://doi.org/10.5281/zenodo.1068462", 
  "@type": "ScholarlyArticle", 
  "name": "Review of the Indo-Pacific Pseudojuloides cerasinus species complex with a description of two new species (Teleostei: Labridae)"
}
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