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Review of the Indo-Pacific Flasherwrasses of the genus Paracheilinus (Perciformes: Labridae), with descriptions of three new species

Allen, Gerald R.; Erdmann, Mark V.; Yusmalinda, Ni Luh A.


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  <identifier identifierType="DOI">10.5281/zenodo.46267</identifier>
  <creators>
    <creator>
      <creatorName>Allen, Gerald R.</creatorName>
      <givenName>Gerald R.</givenName>
      <familyName>Allen</familyName>
      <affiliation>Department of Aquatic Zoology, Western Australian Museum, Locked Bag 49, Welshpool DC, Perth, Western Australia 6986</affiliation>
    </creator>
    <creator>
      <creatorName>Erdmann, Mark V.</creatorName>
      <givenName>Mark V.</givenName>
      <familyName>Erdmann</familyName>
      <affiliation>Conservation International Indonesia Marine Program, Jl. Dr. Muwardi No. 17, Renon, Denpasar 80235 Indonesia</affiliation>
    </creator>
    <creator>
      <creatorName>Yusmalinda, Ni Luh A.</creatorName>
      <givenName>Ni Luh A.</givenName>
      <familyName>Yusmalinda</familyName>
      <affiliation>Indonesian Biodiversity Research Centre, Udayana University, Denpasar, Bali 80361, Indonesia</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Review of the Indo-Pacific Flasherwrasses of the genus Paracheilinus (Perciformes: Labridae), with descriptions of three new species</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2016</publicationYear>
  <subjects>
    <subject>fishes</subject>
    <subject>coral reefs</subject>
    <subject>Paracheilinus</subject>
    <subject>Labridae</subject>
    <subject>labriformes</subject>
    <subject>taxonomy</subject>
    <subject>systematics</subject>
    <subject>ichthyology</subject>
    <subject>evolution</subject>
    <subject>flasherwrasse</subject>
    <subject>DNA barcoding</subject>
    <subject>Indo-Pacific</subject>
    <subject>phylogenetics</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2016-02-22</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/46267</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/biosyslit</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;The Indo-Pacific labrid fish genus &lt;em&gt;Paracheilinus &lt;/em&gt;now contains 20 species. Most of the currently known species inhabit the mega-diverse East Indian region including &lt;em&gt;Paracheilinus angulatus, P. carpenteri, P. cyaneus, P. filamentosus, P. flavianalis, P. lineopunctatus, P. nursalim, P. rennyae, P. togeanensis, P. walton&lt;/em&gt;, as well as three recent discoveries described as new species herein. Five species are known from the Red Sea and Indian Ocean, including &lt;em&gt;P. attenuatus &lt;/em&gt;(Seychelles and Kenya), &lt;em&gt;P. hemitaeniatus&lt;/em&gt; (Madagascar and South Africa), &lt;em&gt;P. mccoskeri&lt;/em&gt; (Kenya, Comoro Islands and Arabian Gulf to Andaman Sea), &lt;em&gt;P. octotaenia&lt;/em&gt; (Red Sea), and &lt;em&gt;P. piscilineatus&lt;/em&gt; (Mauritius). The remaining two species, &lt;em&gt;P. bellae&lt;/em&gt; and &lt;em&gt;P. rubricaudalis&lt;/em&gt;, are mainly confined to Micronesia/Marshall Islands and PNG/Fiji/Vanuatu, respectively. Members of the genus are typically distinguished on the basis of their caudal-fin and dorsal-fin shapes, the presence or absence of elongate filamentous dorsal-fin rays, and, in particular, the color of terminal-phase (TP) males, including their dramatic nuptial-display patterns. &lt;em&gt;Paracheilinus paineorum&lt;/em&gt; n. sp. is described from 8 specimens, 43.1-70.0 mm SL, collected in Indonesia (southwestern Flores, Sulawesi, Nusa Penida, East Borneo, and Seribu Islands) in depths of 10-65 m. It is closely related to the allopatric &lt;em&gt;P. filamentosus&lt;/em&gt; and &lt;em&gt;P. xanthocirritus&lt;/em&gt; n. sp., differing mainly in coloration (particularly the bright red dorsal-fin markings) and larger maximum size (to at least 70 mm SL). &lt;em&gt;Paracheilinus xanthocirritus&lt;/em&gt; n. sp. is described from 12 specimens, 33.9-49.3 mm SL, collected in the South China Sea at the Anambas Islands of Indonesia and Brunei in depths of 15-25 m. In contrast to the closely related &lt;em&gt;P. paineorum&lt;/em&gt; n. sp., TP males of this species have a mostly yellow dorsal fin lacking red markings. The two new species further differ from &lt;em&gt;P. filamentosus &lt;/em&gt;by having a narrower interorbital and a shorter caudal peduncle. A third new species,&lt;em&gt; Paracheilinus alfiani&lt;/em&gt;, n. sp., is described on the basis of two specimens, 48.8 and 49.3 mm SL, from Lembata Island in the Lesser Sunda Islands of Indonesia. It is characterized by a rounded and relatively tall dorsal fin without elongate filamentous rays, a slightly rounded caudal fin, and distinctive TP male coloration. In addition to the new species descriptions, a diagnosis and color illustrations are included for all members of the genus. We also present a key to the species and a neighbor-joining tree of mitochondrial DNA sequences which clarifies the genetic relationships among species, revealing four discrete species complexes within the genus. &lt;/p&gt;</description>
  </descriptions>
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