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<document id="A49507E2CDA4F5A0876BCE818DE329BF" ID-DOI="10.11646/zootaxa.3941.1.2" ID-GBIF-Dataset="9a54c25b-e43f-4e60-881a-fd262e98310f" ID-ISSN="1175-5326" ID-Zenodo-Dep="288211" ID-ZooBank="ECDCBC06-96AC-4D91-9C24-7A0A30A3E375" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461023909168" checkinUser="plazi" docAuthor="Hibino, Yusuke" docDate="2015" docId="03D24013FD46FFD9FF36F9E1C3B9FDCF" docLanguage="en" docName="zt03941p078.pdf" docOrigin="Zootaxa 3941 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Apterichtus mysi Hibino, 2015, n. sp." docType="treatment" docUuid="EC41BC6D-D3B7-4E6D-81C2-0BF41273F2C0" docUuidSource="ZooBank" docVersion="8" lastPageNumber="73" masterDocId="FFEB386BFD53FFC1FFA1FFE3C366FFAF" masterDocTitle="A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species" masterLastPageNumber="78" masterPageNumber="49" pageNumber="70" updateTime="1698571358071" updateUser="plazi">
<mods:mods id="AFA44DF27EA81A1299A88FD20CCC152A" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="C597641BB762945B37C8C0172A952FB2">
<mods:title id="99140D827A83F22CF1BCAD6AEC46CE34">A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species</mods:title>
</mods:titleInfo>
<mods:name id="4CD702DF95027B3D519ACF4BF3F50BC4" type="personal">
<mods:role id="DEE7F7EDB24E6C2FBBC047331BE79625">
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<mods:namePart id="F250835696B220DCE290362C015CDFA3">Hibino, Yusuke</mods:namePart>
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<mods:title id="92E248A179EEBFC3ECE70C3132BA28C0">Zootaxa</mods:title>
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<mods:part id="0DE4CFE4C10D3B536335AE1D78B761C3">
<mods:date id="D4A3A14FA17C0FC0C11F8BB5B3C4EEDC">2015</mods:date>
<mods:detail id="9B525C10FF65FA94883E2FB72892FCA2" type="volume">
<mods:number id="35B98112BBCC4542B259935831FD6D2C">3941</mods:number>
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<mods:classification id="BCFBFA470C8E8DFAFB5CEF72761A421D">journal article</mods:classification>
<mods:identifier id="B0E9A23570D7F9E4F7A837EECA3F239D" type="DOI">10.11646/zootaxa.3941.1.2</mods:identifier>
<mods:identifier id="C00B853BDAF5D5E8318B9B61DC997F62" type="GBIF-Dataset">9a54c25b-e43f-4e60-881a-fd262e98310f</mods:identifier>
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<mods:identifier id="90246500A1BB06809DC59DA097D8F9FD" type="Zenodo-Dep">288211</mods:identifier>
<mods:identifier id="0CC7483F8EAB9DD70E9F009FB4896800" type="ZooBank">ECDCBC06-96AC-4D91-9C24-7A0A30A3E375</mods:identifier>
</mods:mods>
<treatment id="03D24013FD46FFD9FF36F9E1C3B9FDCF" ID-DOI="http://doi.org/10.5281/zenodo.6116417" ID-GBIF-Taxon="127687795" ID-Zenodo-Dep="6116417" LSID="urn:lsid:zoobank.org:act:EC41BC6D-D3B7-4E6D-81C2-0BF41273F2C0" httpUri="http://treatment.plazi.org/id/03D24013FD46FFD9FF36F9E1C3B9FDCF" lastPageId="24" lastPageNumber="73" pageId="21" pageNumber="70">
<subSubSection id="C361A28EFD46FFD4FF36F9E1C2DEF991" pageId="21" pageNumber="70" type="nomenclature">
<paragraph id="8BC4F105FD46FFD4FF36F9E1C2CDF9B2" blockId="21.[151,440,1538,1598]" box="[151,427,1538,1565]" pageId="21" pageNumber="70">
<heading id="D08C4669FD46FFD4FF36F9E1C2CDF9B2" bold="true" box="[151,427,1538,1565]" fontSize="11" level="1" pageId="21" pageNumber="70" reason="1">
<emphasis id="B90F2D17FD46FFD4FF36F9E1C2CDF9B2" bold="true" box="[151,427,1538,1565]" pageId="21" pageNumber="70">
<taxonomicName id="4C7B8A86FD46FFD4FF36F9E1C207F9B3" ID-CoL="FYHK" box="[151,353,1538,1564]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="21" pageNumber="70" phylum="Chordata" rank="species" species="mysi" status="sp. nov.">
<emphasis id="B90F2D17FD46FFD4FF36F9E1C207F9B3" bold="true" box="[151,353,1538,1564]" italics="true" pageId="21" pageNumber="70">Apterichtus mysi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23C906CFD46FFD4FEC9F9E0C2CDF9B2" box="[360,427,1539,1565]" pageId="21" pageNumber="70" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BC4F105FD46FFD4FF36F9C6C2DEF991" blockId="21.[151,440,1538,1598]" box="[151,440,1573,1598]" pageId="21" pageNumber="70">
<figureCitation id="1340ED80FD46FFD4FF36F9C6C25CF991" box="[151,314,1573,1598]" captionStart-0="FIGURE 13" captionStart-1="FIGURE 14" captionStartId-0="22.[151,250,533,555]" captionStartId-1="22.[151,250,1625,1647]" captionTargetBox-0="[430,1154,197,504]" captionTargetBox-1="[608,981,620,1588]" captionTargetId-0="figure@22.[415,1171,193,512]" captionTargetId-1="figure@22.[594,992,605,1604]" captionTargetPageId-0="22" captionTargetPageId-1="22" captionText-0="FIGURE 13. Head of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." captionText-1="FIGURE 14. Dentition of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." httpUri-0="https://zenodo.org/record/288224/files/figure.png" httpUri-1="https://zenodo.org/record/288225/files/figure.png" pageId="21" pageNumber="70">Figures 13–14</figureCitation>
,
<tableCitation id="C6F9C4BEFD46FFD4FEE7F9C6C2C4F991" box="[326,418,1573,1598]" captionStart="TABLE 1" captionStartId="5.[151,239,400,423]" captionTargetBox="[151,1159,593,1203]" captionTargetPageId="5" captionText="TABLE 1. Characteristics of the species of Apterichtus. Abbreviations are: MVF = mean vertebral formula; POP = preopercular pore; STP = supratemporal pore. Preanal vertebral counts of A. gracilis and A. monodi are estimates based on preanal lateral-line pores. Sources are: 1, this study; 2, Blache &amp; Bauchot 1972; 3, McCosker et al. 1989; 4, McCosker &amp; Randall 2005; 5, Pereira &amp; Aguiar 1979; 6, Hibino et al. 2014; 7, Machida &amp; Ohta 1994." httpUri="http://table.plazi.org/id/DF04A18DFD56FFC4FF36FE73C701FDA8" pageId="21" pageNumber="70" tableUuid="DF04A18DFD56FFC4FF36FE73C701FDA8">Tables 1</tableCitation>
,
<tableCitation id="C6F9C4BEFD46FFD4FE06F9C6C2DEF991" box="[423,440,1573,1598]" captionStart="TABLE 5" captionStartId="23.[151,239,328,351]" captionTargetBox="[151,994,424,907]" captionTargetPageId="23" captionText="TABLE 5. Counts and proportions (in thousandths) of the holotype and 7 paratypes of Apterichthus mysi n. sp. TL = total length. HL = head length. Vertebral counts are based on all 10 types." httpUri="http://table.plazi.org/id/DF04A18DFD44FFD6FF36FEABC0D8FED0" pageId="21" pageNumber="70" tableUuid="DF04A18DFD44FFD6FF36FEABC0D8FED0">5</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C361A28EFD46FFD7FF36F98EC745F976" lastPageId="22" lastPageNumber="71" pageId="21" pageNumber="70" type="materials_examined">
<paragraph id="8BC4F105FD46FFD4FF36F98EC283F97F" blockId="21.[151,1436,1645,1966]" pageId="21" pageNumber="70">
<emphasis id="B90F2D17FD46FFD4FF36F98EC262F929" bold="true" box="[151,260,1645,1670]" pageId="21" pageNumber="70">
<typeStatus id="54C04FA7FD46FFD4FF36F98EC262F929" box="[151,260,1645,1670]" pageId="21" pageNumber="70" type="holotype">Holotype</typeStatus>
</emphasis>
.
<collectionCode id="ED6A69C0FD46FFD4FEB2F98DC207F92A" LSID="urn:lsid:biocol.org:col:34697" box="[275,353,1646,1669]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34697" name="Bishop Museum" pageId="21" pageNumber="70">BPBM</collectionCode>
<quantity id="4C835CE0FD46FFD4FEC8F98DC17BF92A" box="[361,541,1646,1670]" metricMagnitude="4" metricUnit="m" metricValue="1.1843298" pageId="21" pageNumber="70" unit="mm" value="1.1843298E7">11843, 298 mm</quantity>
, male, Marquesas Islands, Fatu Hiva
<collectingCountry id="F36CB195FD46FFD4FC68F98EC776F929" box="[969,1040,1645,1670]" name="Iceland" pageId="21" pageNumber="70">Island</collectingCountry>
, off point at N end of Hanauu Bay (
<geoCoordinate id="EE4F97C2FD46FFD4FF3EF977C245F902" box="[159,291,1680,1709]" direction="south" orientation="latitude" pageId="21" pageNumber="70" precision="15" value="-10.490556">10o29’26”S</geoCoordinate>
,
<geoCoordinate id="EE4F97C2FD46FFD4FE90F977C2A9F902" box="[305,463,1680,1709]" direction="west" orientation="longitude" pageId="21" pageNumber="70" precision="15" value="-138.64888">138o38’56”W</geoCoordinate>
), depth
<quantity id="4C835CE0FD46FFD4FD8DF977C10FF903" box="[556,617,1684,1709]" metricMagnitude="1" metricUnit="m" metricValue="3.5" pageId="21" pageNumber="70" unit="m" value="35.0">35 m</quantity>
, captured using rotenone over sand bottom by J.E. Randall, D. Cannoy and R. McNair,
<date id="FFC5D7C5FD46FFD4FEEAF95BC287F97F" box="[331,481,1720,1745]" pageId="21" pageNumber="70" value="1971-04-21">21 Apr. 1971</date>
.
</paragraph>
<paragraph id="8BC4F105FD46FFD4FF66F93FC0AFF801" blockId="21.[151,1436,1645,1966]" pageId="21" pageNumber="70">
<emphasis id="B90F2D17FD46FFD4FF66F93FC220F95A" bold="true" box="[199,326,1756,1781]" pageId="21" pageNumber="70">
<typeStatus id="54C04FA7FD46FFD4FF66F93FC227F95A" box="[199,321,1756,1781]" pageId="21" pageNumber="70" type="paratype">Paratypes</typeStatus>
.
</emphasis>
<specimenCount id="9D7D3A8CFD46FFD4FEEEF93FC2B9F95A" box="[335,479,1756,1781]" pageId="21" pageNumber="70" type="generic">9 specimens</specimenCount>
,
<quantity id="4C835CE0FD46FFD4FE4DF93FC1E1F95B" box="[492,647,1756,1781]" metricMagnitude="-1" metricUnit="m" metricValue="2.34" metricValueMax="3.01" metricValueMin="1.67" pageId="21" pageNumber="70" unit="mm" value="234.0" valueMax="301.0" valueMin="167.0">167–301 mm</quantity>
.
<collectionCode id="ED6A69C0FD46FFD4FD35F93EC184F95B" LSID="urn:lsid:biocol.org:col:34697" box="[660,738,1757,1780]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34697" name="Bishop Museum" pageId="21" pageNumber="70">BPBM</collectionCode>
<quantity id="4C835CE0FD46FFD4FD4DF93FC0C5F95B" box="[748,931,1756,1780]" metricMagnitude="4" metricUnit="m" metricValue="4.1104277" pageId="21" pageNumber="70" unit="mm" value="4.1104277E7">41104, 277 mm</quantity>
, gravid female, and
<collectionCode id="ED6A69C0FD46FFD4FB30F93FC7A1F95B" LSID="urn:lsid:biocol.org:col:34700" box="[1169,1223,1756,1780]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15690" name="California Academy of Sciences" pageId="21" pageNumber="70">CAS</collectionCode>
<quantity id="4C835CE0FD46FFD4FB70F93FC6F1F95B" box="[1233,1431,1756,1781]" metricMagnitude="5" metricUnit="m" metricValue="2.34136298" pageId="21" pageNumber="70" unit="mm" value="2.34136298E8">234136, 298 mm</quantity>
, collected with the
<typeStatus id="54C04FA7FD46FFD4FED0F8E3C2B1F8B6" box="[369,471,1792,1817]" pageId="21" pageNumber="70" type="holotype">holotype</typeStatus>
.
<collectionCode id="ED6A69C0FD46FFD4FE44F8E2C155F8B7" LSID="urn:lsid:biocol.org:col:34697" box="[485,563,1793,1816]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34697" name="Bishop Museum" pageId="21" pageNumber="70">BPBM</collectionCode>
<quantity id="4C835CE0FD46FFD4FD9FF8E3C19EF8B7" box="[574,760,1792,1816]" metricMagnitude="4" metricUnit="m" metricValue="1.1908249" pageId="21" pageNumber="70" unit="mm" value="1.1908249E7">11908, 249 mm</quantity>
, Marquesas Islands, Tahuata
<collectingCountry id="F36CB195FD46FFD4FBF0F8E3C7FEF8B6" box="[1105,1176,1792,1817]" name="Iceland" pageId="21" pageNumber="70">Island</collectingCountry>
, off point at S end of Vaitahu Bay (
<geoCoordinate id="EE4F97C2FD46FFD4FE95F8C4C2EAF890" box="[308,396,1827,1855]" direction="south" orientation="latitude" pageId="21" pageNumber="70" precision="925" value="-9.95">09o57'S</geoCoordinate>
,
<geoCoordinate id="EE4F97C2FD46FFD4FE3BF8C4C16CF890" box="[410,522,1827,1855]" direction="west" orientation="longitude" pageId="21" pageNumber="70" precision="925" value="-139.08333">139o05'W</geoCoordinate>
), depth
<quantity id="4C835CE0FD46FFD4FDC8F8C5C1B6F890" box="[617,720,1830,1855]" metricMagnitude="1" metricUnit="m" metricValue="3.75" metricValueMax="4.0" metricValueMin="3.5" pageId="21" pageNumber="70" unit="m" value="37.5" valueMax="40.0" valueMin="35.0">35–40 m</quantity>
, captured using rotenone over sand and rubble bottom by J.E. Randall
<emphasis id="B90F2D17FD46FFD4FF56F8AFC24DF8CC" box="[247,299,1867,1891]" italics="true" pageId="21" pageNumber="70">et al</emphasis>
.,
<date id="FFC5D7C5FD46FFD4FEE3F8A8C2B8F8CC" box="[322,478,1867,1891]" pageId="21" pageNumber="70" value="1971-04-23">23 Apr. 1971</date>
.
<collectionCode id="ED6A69C0FD46FFD4FE4AF8AFC15FF8CC" LSID="urn:lsid:biocol.org:col:34697" box="[491,569,1868,1891]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34697" name="Bishop Museum" pageId="21" pageNumber="70">BPBM</collectionCode>
<quantity id="4C835CE0FD46FFD4FDE2F8A8C19CF8CC" box="[579,762,1867,1891]" metricMagnitude="4" metricUnit="m" metricValue="1.1891241" pageId="21" pageNumber="70" unit="mm" value="1.1891241E7">11891, 241 mm</quantity>
, Marquesas Islands, Nuku Hiva
<collectingCountry id="F36CB195FD46FFD4FBD3F8A8C7DFF8CB" box="[1138,1209,1867,1892]" name="Iceland" pageId="21" pageNumber="70">Island</collectingCountry>
, Baie Hatuarua, off Nuka River (
<geoCoordinate id="EE4F97C2FD46FFD4FE88F891C2E6F825" box="[297,384,1902,1930]" direction="south" orientation="latitude" pageId="21" pageNumber="70" precision="925" value="-10.483334">10o29'S</geoCoordinate>
,
<geoCoordinate id="EE4F97C2FD46FFD4FE2DF891C29AF825" box="[396,508,1902,1930]" direction="west" orientation="longitude" pageId="21" pageNumber="70" precision="925" value="-138.63333">138o38'W</geoCoordinate>
), depth
<quantity id="4C835CE0FD46FFD4FDF7F892C1DAF826" box="[598,700,1905,1930]" metricMagnitude="1" metricUnit="m" metricValue="5.6" metricValueMax="5.9" metricValueMin="5.3" pageId="21" pageNumber="70" unit="m" value="56.0" valueMax="59.0" valueMin="53.0">53–59 m</quantity>
, captured using dredge by D.M. Devaney,
<date id="FFC5D7C5FD46FFD4FB3CF891C65DF825" box="[1181,1339,1905,1930]" pageId="21" pageNumber="70" value="1967-09-18">18 Sept. 1967</date>
.
<collectionCode id="ED6A69C0FD46FFD4FAE6F891C6FAF826" LSID="urn:lsid:biocol.org:col:34988" box="[1351,1436,1906,1929]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="21" pageNumber="70">MNHN</collectionCode>
2001-1089, 5 (
<quantity id="4C835CE0FD46FFD4FE9AF876C2B3F801" box="[315,469,1941,1966]" metricMagnitude="-1" metricUnit="m" metricValue="2.34" metricValueMax="3.01" metricValueMin="1.67" pageId="21" pageNumber="70" unit="mm" value="234.0" valueMax="301.0" valueMin="167.0">167–301 mm</quantity>
), Nuku Hiva, depth
<quantity id="4C835CE0FD46FFD4FD16F876C07AF802" box="[695,796,1941,1966]" metricMagnitude="1" metricUnit="m" metricValue="5.45" metricValueMax="6.4" metricValueMin="4.5" pageId="21" pageNumber="70" unit="m" value="54.5" valueMax="64.0" valueMin="45.0">45–64 m</quantity>
,
<date id="FFC5D7C5FD46FFD4FC89F875C0A2F801" box="[808,964,1942,1966]" pageId="21" pageNumber="70" value="1997-08-24">24 Aug. 1997</date>
.
</paragraph>
<caption id="DF04A18DFD45FFD7FF36FDF6C7F0FD84" box="[151,1174,533,555]" httpUri="https://zenodo.org/record/288224/files/figure.png" pageId="22" pageNumber="71" targetBox="[430,1154,197,504]" targetPageId="22">
<paragraph id="8BC4F105FD45FFD7FF36FDF6C7F0FD84" blockId="22.[151,1174,533,555]" box="[151,1174,533,555]" pageId="22" pageNumber="71">
<emphasis id="B90F2D17FD45FFD7FF36FDF6C279FD85" bold="true" box="[151,287,533,555]" pageId="22" pageNumber="71">FIGURE 13.</emphasis>
Head of holotype of
<taxonomicName id="4C7B8A86FD45FFD7FE56FDF6C1C6FD84" box="[503,672,533,555]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="22" pageNumber="71" phylum="Chordata" rank="species" species="mysi">
<emphasis id="B90F2D17FD45FFD7FE56FDF6C1C6FD84" box="[503,672,533,555]" italics="true" pageId="22" pageNumber="71">Apterichtus mysi</emphasis>
</taxonomicName>
, BPBM 11843, 298 mm. Drawn by J. McCosker.
</paragraph>
</caption>
<caption id="DF04A18DFD45FFD7FF36F9BAC7A6F9C0" box="[151,1216,1625,1647]" httpUri="https://zenodo.org/record/288225/files/figure.png" pageId="22" pageNumber="71" targetBox="[608,981,620,1588]" targetPageId="22">
<paragraph id="8BC4F105FD45FFD7FF36F9BAC7A6F9C0" blockId="22.[151,1216,1625,1647]" box="[151,1216,1625,1647]" pageId="22" pageNumber="71">
<emphasis id="B90F2D17FD45FFD7FF36F9BAC279F9C1" bold="true" box="[151,287,1625,1647]" pageId="22" pageNumber="71">FIGURE 14.</emphasis>
Dentition of holotype of
<taxonomicName id="4C7B8A86FD45FFD7FD80F9BAC1ACF9C0" box="[545,714,1625,1647]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="22" pageNumber="71" phylum="Chordata" rank="species" species="mysi">
<emphasis id="B90F2D17FD45FFD7FD80F9BAC1ACF9C0" box="[545,714,1625,1647]" italics="true" pageId="22" pageNumber="71">Apterichtus mysi</emphasis>
</taxonomicName>
, BPBM 11843, 298 mm. Drawn by J. McCosker.
</paragraph>
</caption>
<paragraph id="8BC4F105FD45FFD7FF66F97FC745F976" blockId="22.[151,1437,1692,2008]" pageId="22" pageNumber="71">
<emphasis id="B90F2D17FD45FFD7FF66F97FC219F91A" bold="true" box="[199,383,1692,1717]" pageId="22" pageNumber="71">Non-paratypes.</emphasis>
<collectionCode id="ED6A69C0FD45FFD7FE27F97EC2BDF91B" LSID="urn:lsid:biocol.org:col:34988" box="[390,475,1693,1716]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="22" pageNumber="71">MNHN</collectionCode>
<date id="FFC5D7C5FD45FFD7FE42F97EC139F91A" box="[483,607,1693,1717]" pageId="22" pageNumber="71" value="2014" valueMax="2819">2014-2819</date>
, two specimens, 160+ and 240+ mm (extrapolated total lengths ~
<quantity id="4C835CE0FD45FFD7FA9EF97EC6FBF91B" box="[1343,1437,1693,1717]" metricMagnitude="-1" metricUnit="m" metricValue="1.9" pageId="22" pageNumber="71" unit="mm" value="190.0">190 mm</quantity>
and
<quantity id="4C835CE0FD45FFD7FF67F922C241F976" box="[198,295,1729,1753]" metricMagnitude="-1" metricUnit="m" metricValue="2.8" pageId="22" pageNumber="71" unit="mm" value="280.0">280 mm</quantity>
), badly damaged during capture but identifiable as this new species.
</paragraph>
</subSubSection>
<subSubSection id="C361A28EFD45FFD6FF66F907C1E2FEB3" lastPageId="23" lastPageNumber="72" pageId="22" pageNumber="71" type="diagnosis">
<paragraph id="8BC4F105FD45FFD7FF66F907C235F820" blockId="22.[151,1437,1692,2008]" pageId="22" pageNumber="71">
<emphasis id="B90F2D17FD45FFD7FF66F907C25CF952" bold="true" box="[199,314,1764,1789]" pageId="22" pageNumber="71">Diagnosis</emphasis>
. An elongate species with: tail 2.2–2.4, head 17–18, and body depth
<quantity id="4C835CE0FD45FFD7FBFFF907C7A2F952" box="[1118,1220,1764,1789]" metricMagnitude="0" metricUnit="m" metricValue="1.6128999999999998" metricValueMax="1.7526" metricValueMin="1.4731999999999998" pageId="22" pageNumber="71" unit="in" value="63.5" valueMax="69.0" valueMin="58.0">58–69 in</quantity>
total length; snout moderately pointed in lateral view, dorsal profile
<emphasis id="B90F2D17FD45FFD7FD67F8EFC18EF88C" box="[710,744,1804,1827]" italics="true" pageId="22" pageNumber="71">ca.</emphasis>
45–50o above lower jaw; 3 preopercular pores and 3 pores in supratemporal canal; teeth conical, uniserial on jaws and vomer; 5–6 vomerine teeth; body mostly pale in preservative, with fine brown speckling on the dorsal surface of body and tail; and MVF 75–148, total vertebrae 146–153 (n=10).
</paragraph>
<paragraph id="8BC4F105FD45FFD6FF66F878C1E2FEB3" blockId="22.[151,1437,1692,2008]" lastBlockId="23.[151,1437,151,285]" lastPageId="23" lastPageNumber="72" pageId="22" pageNumber="71">
<emphasis id="B90F2D17FD45FFD7FF66F878C63AF81B" bold="true" box="[199,1372,1947,1972]" pageId="22" pageNumber="71">
Counts and measurements (in mm) of the
<typeStatus id="54C04FA7FD45FFD7FD1BF878C047F81B" box="[698,801,1947,1972]" pageId="22" pageNumber="71" type="holotype">holotype</typeStatus>
(those of the
<typeStatus id="54C04FA7FD45FFD7FC61F878C750F81B" box="[960,1078,1947,1972]" pageId="22" pageNumber="71" type="paratype">paratypes</typeStatus>
summarized in
<tableCitation id="C6F9C4BEFD45FFD7FB54F878C628F81B" box="[1269,1358,1947,1972]" captionStart="TABLE 5" captionStartId="23.[151,239,328,351]" captionTargetBox="[151,994,424,907]" captionTargetPageId="23" captionText="TABLE 5. Counts and proportions (in thousandths) of the holotype and 7 paratypes of Apterichthus mysi n. sp. TL = total length. HL = head length. Vertebral counts are based on all 10 types." httpUri="http://table.plazi.org/id/DF04A18DFD44FFD6FF36FEABC0D8FED0" pageId="22" pageNumber="71" tableUuid="DF04A18DFD44FFD6FF36FEABC0D8FED0">Table 5</tableCitation>
).
</emphasis>
Total length 298; head 17.3; trunk 147.7; tail 133; body depth at gill openings 4.9; body width at gill openings 4.0; body depth at anus 4.0; body width at anus 3.6; head depth at branchial basket 5.7; head width at branchial basket 4.7; snout 3.4; tip of snout to rictus 3.2; tip of snout to tip of lower jaw 2.5; eye diameter 1.3; interorbital distance 1.6; gill-opening length ~1.8; isthmus width ~1.0. Vertebral formula 76–151. Lateral-line pores difficult to discern,
<quantity id="4C835CE0FD44FFD6FAD3FF3CC6FAFF57" box="[1394,1436,223,248]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="23" pageNumber="72" unit="in" value="6.0">6 in</quantity>
branchial region, ~80 pores before the anus.
</paragraph>
</subSubSection>
<caption id="DF04A18DFD44FFD6FF36FEABC0D8FED0" ID-Table-UUID="DF04A18DFD44FFD6FF36FEABC0D8FED0" httpUri="http://table.plazi.org/id/DF04A18DFD44FFD6FF36FEABC0D8FED0" pageId="23" pageNumber="72" targetBox="[151,994,424,907]" targetIsTable="true" targetPageId="23">
<paragraph id="8BC4F105FD44FFD6FF36FEABC0D8FED0" blockId="23.[151,1436,327,383]" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF36FEABC613FEF0" bold="true" box="[151,1397,327,351]" pageId="23" pageNumber="72">
TABLE 5. Counts and proportions (in thousandths) of the holotype and 7 paratypes of
<taxonomicName id="4C7B8A86FD44FFD6FBCDFEA4C655FEF0" box="[1132,1331,327,351]" family="Ophichthidae" genus="Apterichthus" higherTaxonomySource="CoL" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="mysi" status="sp. nov.">
<emphasis id="B90F2D17FD44FFD6FBCDFEA4C655FEF0" bold="true" box="[1132,1331,327,351]" italics="true" pageId="23" pageNumber="72">Apterichthus mysi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23C906CFD44FFD6FA98FEABC613FEF0" box="[1337,1397,327,351]" pageId="23" pageNumber="72" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
TL = total length. HL = head length. Vertebral counts are based on all 10 types.
</paragraph>
</caption>
<paragraph id="8BC4F105FD44FFD6FDAEFE4BC084FC24" pageId="23" pageNumber="72">
<table id="F97B03A5FD44003EFF36FE4BC084FC24" box="[151,994,424,907]" gridcols="4" gridrows="15" pageId="23" pageNumber="72">
<tr id="354BF347FD44003EFF36FE4BC084FE11" box="[151,994,424,446]" gridrow="0" pageId="23" pageNumber="72" rowspan-0="1">
<th id="769A9A3BFD44003EFDAEFE4BC10EFE11" box="[527,616,424,446]" gridcol="1" gridrow="0" pageId="23" pageNumber="72">holotype</th>
<th id="769A9A3BFD44003EFD6CFE4BC060FE11" box="[717,774,424,446]" gridcol="2" gridrow="0" pageId="23" pageNumber="72">mean</th>
<th id="769A9A3BFD44003EFC28FE4BC084FE11" box="[905,994,424,446]" gridcol="3" gridrow="0" pageId="23" pageNumber="72">range</th>
</tr>
<tr id="354BF347FD44003EFF36FE05C084FE53" box="[151,994,486,508]" gridrow="1" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FE05C2CBFE53" box="[151,429,486,508]" gridcol="0" gridrow="1" pageId="23" pageNumber="72">TL (mm)</th>
<td id="769A9A3BFD44003EFDAEFE05C10EFE53" box="[527,616,486,508]" gridcol="1" gridrow="1" pageId="23" pageNumber="72">294</td>
<td id="769A9A3BFD44003EFD6CFE05C060FE53" box="[717,774,486,508]" gridcol="2" gridrow="1" pageId="23" pageNumber="72">---</td>
<td id="769A9A3BFD44003EFC28FE05C084FE53" box="[905,994,486,508]" gridcol="3" gridrow="1" pageId="23" pageNumber="72">241–301</td>
</tr>
<tr id="354BF347FD44003EFF36FDE6C084FDB4" box="[151,994,517,539]" gridrow="2" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FDE6C2CBFDB4" box="[151,429,517,539]" gridcol="0" gridrow="2" pageId="23" pageNumber="72">HL/TL</th>
<td id="769A9A3BFD44003EFDAEFDE6C10EFDB4" box="[527,616,517,539]" gridcol="1" gridrow="2" pageId="23" pageNumber="72">58</td>
<td id="769A9A3BFD44003EFD6CFDE6C060FDB4" box="[717,774,517,539]" gridcol="2" gridrow="2" pageId="23" pageNumber="72">57</td>
<td id="769A9A3BFD44003EFC28FDE6C084FDB4" box="[905,994,517,539]" gridcol="3" gridrow="2" pageId="23" pageNumber="72">55–58</td>
</tr>
<tr id="354BF347FD44003EFF36FDC7C084FD95" box="[151,994,548,570]" gridrow="3" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FDC7C2CBFD95" box="[151,429,548,570]" gridcol="0" gridrow="3" pageId="23" pageNumber="72">Head and trunk/TL</th>
<td id="769A9A3BFD44003EFDAEFDC7C10EFD95" box="[527,616,548,570]" gridcol="1" gridrow="3" pageId="23" pageNumber="72">554</td>
<td id="769A9A3BFD44003EFD6CFDC7C060FD95" box="[717,774,548,570]" gridcol="2" gridrow="3" pageId="23" pageNumber="72">554</td>
<td id="769A9A3BFD44003EFC28FDC7C084FD95" box="[905,994,548,570]" gridcol="3" gridrow="3" pageId="23" pageNumber="72">546–565</td>
</tr>
<tr id="354BF347FD44003EFF36FDA1C084FDF7" box="[151,994,578,600]" gridrow="4" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FDA1C2CBFDF7" box="[151,429,578,600]" gridcol="0" gridrow="4" pageId="23" pageNumber="72">Tail/TL</th>
<td id="769A9A3BFD44003EFDAEFDA1C10EFDF7" box="[527,616,578,600]" gridcol="1" gridrow="4" pageId="23" pageNumber="72">446</td>
<td id="769A9A3BFD44003EFD6CFDA1C060FDF7" box="[717,774,578,600]" gridcol="2" gridrow="4" pageId="23" pageNumber="72">446</td>
<td id="769A9A3BFD44003EFC28FDA1C084FDF7" box="[905,994,578,600]" gridcol="3" gridrow="4" pageId="23" pageNumber="72">425–454</td>
</tr>
<tr id="354BF347FD44003EFF36FD82C084FDD8" box="[151,994,609,631]" gridrow="5" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD82C2CBFDD8" box="[151,429,609,631]" gridcol="0" gridrow="5" pageId="23" pageNumber="72">Upper jaw/HL</th>
<td id="769A9A3BFD44003EFDAEFD82C10EFDD8" box="[527,616,609,631]" gridcol="1" gridrow="5" pageId="23" pageNumber="72">358</td>
<td id="769A9A3BFD44003EFD6CFD82C060FDD8" box="[717,774,609,631]" gridcol="2" gridrow="5" pageId="23" pageNumber="72">346</td>
<td id="769A9A3BFD44003EFC28FD82C084FDD8" box="[905,994,609,631]" gridcol="3" gridrow="5" pageId="23" pageNumber="72">327–366</td>
</tr>
<tr id="354BF347FD44003EFF36FD63C084FD39" box="[151,994,640,662]" gridrow="6" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD63C2CBFD39" box="[151,429,640,662]" gridcol="0" gridrow="6" pageId="23" pageNumber="72">Snout/HL</th>
<td id="769A9A3BFD44003EFDAEFD63C10EFD39" box="[527,616,640,662]" gridcol="1" gridrow="6" pageId="23" pageNumber="72">197</td>
<td id="769A9A3BFD44003EFD6CFD63C060FD39" box="[717,774,640,662]" gridcol="2" gridrow="6" pageId="23" pageNumber="72">181</td>
<td id="769A9A3BFD44003EFC28FD63C084FD39" box="[905,994,640,662]" gridcol="3" gridrow="6" pageId="23" pageNumber="72">172–197</td>
</tr>
<tr id="354BF347FD44003EFF36FD7DC084FD1B" box="[151,994,670,692]" gridrow="7" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD7DC2CBFD1B" box="[151,429,670,692]" gridcol="0" gridrow="7" pageId="23" pageNumber="72">Eye/HL</th>
<td id="769A9A3BFD44003EFDAEFD7DC10EFD1B" box="[527,616,670,692]" gridcol="1" gridrow="7" pageId="23" pageNumber="72">75</td>
<td id="769A9A3BFD44003EFD6CFD7DC060FD1B" box="[717,774,670,692]" gridcol="2" gridrow="7" pageId="23" pageNumber="72">75</td>
<td id="769A9A3BFD44003EFC28FD7DC084FD1B" box="[905,994,670,692]" gridcol="3" gridrow="7" pageId="23" pageNumber="72">66–81</td>
</tr>
<tr id="354BF347FD44003EFF36FD5EC084FD7C" box="[151,994,701,723]" gridrow="8" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD5EC2CBFD7C" box="[151,429,701,723]" gridcol="0" gridrow="8" pageId="23" pageNumber="72">Interorbital/HL</th>
<td id="769A9A3BFD44003EFDAEFD5EC10EFD7C" box="[527,616,701,723]" gridcol="1" gridrow="8" pageId="23" pageNumber="72">93</td>
<td id="769A9A3BFD44003EFD6CFD5EC060FD7C" box="[717,774,701,723]" gridcol="2" gridrow="8" pageId="23" pageNumber="72">93</td>
<td id="769A9A3BFD44003EFC28FD5EC084FD7C" box="[905,994,701,723]" gridcol="3" gridrow="8" pageId="23" pageNumber="72">83–104</td>
</tr>
<tr id="354BF347FD44003EFF36FD3FC084FD5D" box="[151,994,732,754]" gridrow="9" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD3FC2CBFD5D" box="[151,429,732,754]" gridcol="0" gridrow="9" pageId="23" pageNumber="72">Gill opening/HL</th>
<td id="769A9A3BFD44003EFDAEFD3FC10EFD5D" box="[527,616,732,754]" gridcol="1" gridrow="9" pageId="23" pageNumber="72">104</td>
<td id="769A9A3BFD44003EFD6CFD3FC060FD5D" box="[717,774,732,754]" gridcol="2" gridrow="9" pageId="23" pageNumber="72">112</td>
<td id="769A9A3BFD44003EFC28FD3FC084FD5D" box="[905,994,732,754]" gridcol="3" gridrow="9" pageId="23" pageNumber="72">96–128</td>
</tr>
<tr id="354BF347FD44003EFF36FD19C084FCBF" box="[151,994,762,784]" gridrow="10" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FD19C2CBFCBF" box="[151,429,762,784]" gridcol="0" gridrow="10" pageId="23" pageNumber="72">Isthmus/HL</th>
<td id="769A9A3BFD44003EFDAEFD19C10EFCBF" box="[527,616,762,784]" gridcol="1" gridrow="10" pageId="23" pageNumber="72">58</td>
<td id="769A9A3BFD44003EFD6CFD19C060FCBF" box="[717,774,762,784]" gridcol="2" gridrow="10" pageId="23" pageNumber="72">52</td>
<td id="769A9A3BFD44003EFC28FD19C084FCBF" box="[905,994,762,784]" gridcol="3" gridrow="10" pageId="23" pageNumber="72">39–61</td>
</tr>
<tr id="354BF347FD44003EFF36FCFAC084FC80" box="[151,994,793,815]" gridrow="11" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FCFAC2CBFC80" box="[151,429,793,815]" gridcol="0" gridrow="11" pageId="23" pageNumber="72">Depth at gill opening/TL</th>
<td id="769A9A3BFD44003EFDAEFCFAC10EFC80" box="[527,616,793,815]" gridcol="1" gridrow="11" pageId="23" pageNumber="72">16</td>
<td id="769A9A3BFD44003EFD6CFCFAC060FC80" box="[717,774,793,815]" gridcol="2" gridrow="11" pageId="23" pageNumber="72">15</td>
<td id="769A9A3BFD44003EFC28FCFAC084FC80" box="[905,994,793,815]" gridcol="3" gridrow="11" pageId="23" pageNumber="72">12–17</td>
</tr>
<tr id="354BF347FD44003EFF36FCDBC084FCE1" box="[151,994,824,846]" gridrow="12" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FCDBC2CBFCE1" box="[151,429,824,846]" gridcol="0" gridrow="12" pageId="23" pageNumber="72">Width/depth at gill opening</th>
<td id="769A9A3BFD44003EFDAEFCDBC10EFCE1" box="[527,616,824,846]" gridcol="1" gridrow="12" pageId="23" pageNumber="72">816</td>
<td id="769A9A3BFD44003EFD6CFCDBC060FCE1" box="[717,774,824,846]" gridcol="2" gridrow="12" pageId="23" pageNumber="72">845</td>
<td id="769A9A3BFD44003EFC28FCDBC084FCE1" box="[905,994,824,846]" gridcol="3" gridrow="12" pageId="23" pageNumber="72">790–935</td>
</tr>
<tr id="354BF347FD44003EFF36FCB5C084FCC3" box="[151,994,854,876]" gridrow="13" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FCB5C2CBFCC3" box="[151,429,854,876]" gridcol="0" gridrow="13" pageId="23" pageNumber="72">Preanal vertebrae</th>
<td id="769A9A3BFD44003EFDAEFCB5C10EFCC3" box="[527,616,854,876]" gridcol="1" gridrow="13" pageId="23" pageNumber="72">76</td>
<td id="769A9A3BFD44003EFD6CFCB5C060FCC3" box="[717,774,854,876]" gridcol="2" gridrow="13" pageId="23" pageNumber="72">74.9</td>
<td id="769A9A3BFD44003EFC28FCB5C084FCC3" box="[905,994,854,876]" gridcol="3" gridrow="13" pageId="23" pageNumber="72">72–78</td>
</tr>
<tr id="354BF347FD44003EFF36FC96C084FC24" box="[151,994,885,907]" gridrow="14" pageId="23" pageNumber="72">
<th id="769A9A3BFD44003EFF36FC96C2CBFC24" box="[151,429,885,907]" gridcol="0" gridrow="14" pageId="23" pageNumber="72">Total vertebrae</th>
<td id="769A9A3BFD44003EFDAEFC96C10EFC24" box="[527,616,885,907]" gridcol="1" gridrow="14" pageId="23" pageNumber="72">151</td>
<td id="769A9A3BFD44003EFD6CFC96C060FC24" box="[717,774,885,907]" gridcol="2" gridrow="14" pageId="23" pageNumber="72">147.9</td>
<td id="769A9A3BFD44003EFC28FC96C084FC24" box="[905,994,885,907]" gridcol="3" gridrow="14" pageId="23" pageNumber="72">146–153</td>
</tr>
</table>
</paragraph>
<subSubSection id="C361A28EFD44FFD6FF66FC34C78BF96F" pageId="23" pageNumber="72" type="description">
<paragraph id="8BC4F105FD44FFD6FF66FC34C660FAD2" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF66FC34C23FFC5F" bold="true" box="[199,345,983,1008]" pageId="23" pageNumber="72">Description.</emphasis>
Body elongate, nearly cylindrical throughout, snout and tail tip sharply pointed, depth at gill openings
<quantity id="4C835CE0FD44FFD6FEA7FC1FC20BFBBA" box="[262,365,1020,1045]" metricMagnitude="0" metricUnit="m" metricValue="1.8034" metricValueMax="2.1082" metricValueMin="1.4986" pageId="23" pageNumber="72" unit="in" value="71.0" valueMax="83.0" valueMin="59.0">59–83 in</quantity>
TL. Branchial basket slightly wider and deeper than body. Head and trunk
<quantity id="4C835CE0FD44FFD6FB44FC1FC64FFBBA" box="[1253,1321,1020,1045]" metricMagnitude="-2" metricUnit="m" metricValue="4.572" pageId="23" pageNumber="72" unit="in" value="1.8">1.8 in</quantity>
TL; head
<quantity id="4C835CE0FD44FFD6FF36FBC3C39BFB97" box="[151,253,1055,1080]" metricMagnitude="-1" metricUnit="m" metricValue="4.445" metricValueMax="4.572" metricValueMin="4.318" pageId="23" pageNumber="72" unit="in" value="17.5" valueMax="18.0" valueMin="17.0">17–18 in</quantity>
TL,
<quantity id="4C835CE0FD44FFD6FE9BFBC3C2CBFB97" box="[314,429,1055,1080]" metricMagnitude="-1" metricUnit="m" metricValue="2.159" metricValueMax="2.3367999999999998" metricValueMin="1.9812" pageId="23" pageNumber="72" unit="in" value="8.5" valueMax="9.2" valueMin="7.8">7.8–9.2 in</quantity>
trunk. Snout pointed, its underside somewhat rounded and bisected by a groove (
<figureCitation id="1340ED80FD44FFD6FAC5FBFCC386FBF3" captionStart-0="FIGURE 13" captionStart-1="FIGURE 14" captionStartId-0="22.[151,250,533,555]" captionStartId-1="22.[151,250,1625,1647]" captionTargetBox-0="[430,1154,197,504]" captionTargetBox-1="[608,981,620,1588]" captionTargetId-0="figure@22.[415,1171,193,512]" captionTargetId-1="figure@22.[594,992,605,1604]" captionTargetPageId-0="22" captionTargetPageId-1="22" captionText-0="FIGURE 13. Head of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." captionText-1="FIGURE 14. Dentition of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." httpUri-0="https://zenodo.org/record/288224/files/figure.png" httpUri-1="https://zenodo.org/record/288225/files/figure.png" pageId="23" pageNumber="72">Figs. 13–14</figureCitation>
). Lower jaw included, its tip slightly in advance of eye. Slope of dorsal surface of snout approximately 35° relative to underside of snout. Lower jaw included, its tip slightly in advance of eye; snout extends beyond tip of lower jaw by slightly less than lower jaw length; upper and lower lips meet when mouth is closed. Mouth moderately elongate. Rictus well behind rear margin of eye. An obvious crease extends posteriorly in upper lip from beneath eye to rictus. Eye moderately developed,
<quantity id="4C835CE0FD44FFD6FCA2FB37C012FB42" box="[771,884,1236,1261]" metricMagnitude="-1" metricUnit="m" metricValue="1.1811000000000003" metricValueMax="1.2953999999999999" metricValueMin="1.0668000000000002" pageId="23" pageNumber="72" unit="in" value="4.65" valueMax="5.1" valueMin="4.2">4.2–5.1 in</quantity>
upper jaw and
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head, its anterior margin behind tip of lower jaw, its center in advance of middle of upper jaw. Anterior nostril within a short tube, approximately one-fourth the diameter of the eye, its base in anterior third of snout and anterolaterally directed when viewed from above. Posterior nostril opens in outer lip beneath anterior margin of eye. Branchial openings low, ventral; branchial region modestly expanded, creating a bulbous region in posterior half of head.
</paragraph>
<paragraph id="8BC4F105FD44FFD6FF66FA64C110FA48" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">
Head pores (
<figureCitation id="1340ED80FD44FFD6FEF4FA64C2C0FA0F" box="[341,422,1415,1440]" captionStart="FIGURE 13" captionStartId="22.[151,250,533,555]" captionTargetBox="[430,1154,197,504]" captionTargetId="figure@22.[415,1171,193,512]" captionTargetPageId="22" captionText="FIGURE 13. Head of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." httpUri="https://zenodo.org/record/288224/files/figure.png" pageId="23" pageNumber="72">Fig. 13</figureCitation>
) small. Single median interorbital and temporal pores. Supraorbital pores 1+4, infraorbital pores 5-6+2, supratemporal pores 3, lower jaw pores 4, preopercular pores 3. Lateral-line pores difficult to discern, 6 above branchial region, ~80 before anus.
</paragraph>
<paragraph id="8BC4F105FD44FFD6FF66FA17C704F9FA" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">
Teeth (
<figureCitation id="1340ED80FD44FFD6FEB4FA17C201F9A3" box="[277,359,1524,1549]" captionStart="FIGURE 14" captionStartId="22.[151,250,1625,1647]" captionTargetBox="[608,981,620,1588]" captionTargetId="figure@22.[594,992,605,1604]" captionTargetPageId="22" captionText="FIGURE 14. Dentition of holotype of Apterichtus mysi, BPBM 11843, 298 mm. Drawn by J. McCosker." httpUri="https://zenodo.org/record/288225/files/figure.png" pageId="23" pageNumber="72">Fig. 14</figureCitation>
) uniserial, small, conical and slightly recurved. Intermaxillary with a chevron of 5–6 teeth (the largest in the jaw), followed by a short gap and a linear row of 5 small vomerine teeth. Jaw teeth nearly subequal, small, 11–12 teeth in each side of upper jaw and 11–12 teeth in each side of lower jaw.
</paragraph>
<paragraph id="8BC4F105FD44FFD6FF66F9BCC7DDF932" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">Body mostly colorless in alcohol preservative (preserved in formalin and transferred to alcohol more than 15 years ago), however a fine brown speckling is present on the body and tail of some specimens.</paragraph>
<paragraph id="8BC4F105FD44FFD6FF66F944C78BF96F" blockId="23.[151,1437,983,2017]" box="[199,1261,1703,1729]" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF66F944C391F96F" bold="true" box="[199,247,1703,1728]" pageId="23" pageNumber="72">Size</emphasis>
. The largest specimen examined is
<quantity id="4C835CE0FD44FFD6FD26F94BC180F96F" box="[647,742,1704,1728]" metricMagnitude="-1" metricUnit="m" metricValue="3.01" pageId="23" pageNumber="72" unit="mm" value="301.0">301 mm</quantity>
, a female with eggs ~
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in diameter.
</paragraph>
</subSubSection>
<subSubSection id="C361A28EFD44FFD6FF66F92FC187F8A7" pageId="23" pageNumber="72" type="etymology">
<paragraph id="8BC4F105FD44FFD6FF66F92FC187F8A7" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF66F92FC220F94A" bold="true" box="[199,326,1740,1765]" pageId="23" pageNumber="72">Etymology</emphasis>
. Named in honor of
<taxonomicName id="4C7B8A86FD44FFD6FD8DF92FC103F94A" box="[556,613,1740,1765]" family="Ophichthidae" genus="Apterichthus" higherTaxonomySource="CoL" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="73" phylum="Chordata" rank="species" species="mysi">Mysi</taxonomicName>
Hoang of the California Academy of Sciences for her many contributions to ichthyology, to be treated as a noun in apposition.
</paragraph>
</subSubSection>
<subSubSection id="C361A28EFD44FFD6FF66F8F7C082F8FF" pageId="23" pageNumber="72" type="distribution">
<paragraph id="8BC4F105FD44FFD6FF66F8F7C082F8FF" blockId="23.[151,1437,983,2017]" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF66F8F7C23FF882" bold="true" box="[199,345,1812,1837]" pageId="23" pageNumber="72">Distribution</emphasis>
. Known from the Marquesas Islands, Polynesia, captured over sand with associated rock and coral reef bottoms using ichthyocides and dredges between
<quantity id="4C835CE0FD44FFD6FC95F8D4C0F1F8FF" box="[820,919,1847,1872]" metricMagnitude="1" metricUnit="m" metricValue="4.95" metricValueMax="6.4" metricValueMin="3.5" pageId="23" pageNumber="72" unit="m" value="49.5" valueMax="64.0" valueMin="35.0">35–64 m</quantity>
depth.
</paragraph>
</subSubSection>
<subSubSection id="C361A28EFD44FFD9FF66F8BFC3B9FDCF" lastPageId="24" lastPageNumber="73" pageId="23" pageNumber="72" type="discussion">
<paragraph id="8BC4F105FD44FFD9FF66F8BFC180FF7A" blockId="23.[151,1437,983,2017]" lastBlockId="24.[151,1436,151,608]" lastPageId="24" lastPageNumber="73" pageId="23" pageNumber="72">
<emphasis id="B90F2D17FD44FFD6FF66F8BFC25DF8DA" bold="true" box="[199,315,1884,1909]" pageId="23" pageNumber="72">Remarks.</emphasis>
The new species differs from its congeners in the size and shape of its snout, the position of its eye, its cephalic pore configuration, and in its vertebral numbers. It is most similar to those species which share its cephalic pore condition of possessing 3 supratemporal pores and 3 preopercular pores, viz.
<emphasis id="B90F2D17FD44FFD6FABAF847C043F84F" italics="true" pageId="23" pageNumber="72">
<taxonomicName id="4C7B8A86FD44FFD6FABAF847C247F84F" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="anguiformis">Apterichtus anguiformis</taxonomicName>
,
<taxonomicName id="4C7B8A86FD44FFD6FE91F82BC2D1F84F" box="[304,439,1992,2016]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="australis">A. australis</taxonomicName>
,
<taxonomicName id="4C7B8A86FD44FFD6FE67F82BC115F84F" box="[454,627,1992,2016]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="equatorialis">A. equatorialis</taxonomicName>
,
<taxonomicName id="4C7B8A86FD44FFD6FD20F82BC043F84F" box="[641,805,1992,2016]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="flavicaudus">A. flavicaudus</taxonomicName>
</emphasis>
and
<emphasis id="B90F2D17FD44FFD6FCC2F82BC081F84F" box="[867,999,1992,2016]" italics="true" pageId="23" pageNumber="72">
<taxonomicName id="4C7B8A86FD44FFD6FCC2F82BC085F84F" box="[867,995,1992,2016]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="23" pageNumber="72" phylum="Chordata" rank="species" species="kendalli">A. kendalli</taxonomicName>
.
</emphasis>
It differs considerably from the New World species
<taxonomicName id="4C7B8A86FD4BFFD9FEE1FF7BC28FFF1F" box="[320,489,152,176]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="equatorialis">
<emphasis id="B90F2D17FD4BFFD9FEE1FF7BC28FFF1F" box="[320,489,152,176]" italics="true" pageId="24" pageNumber="73">A. equatorialis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C7B8A86FD4BFFD9FD84FF7BC1C7FF1F" box="[549,673,152,176]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="kendalli">
<emphasis id="B90F2D17FD4BFFD9FD84FF7BC1C7FF1F" box="[549,673,152,176]" italics="true" pageId="24" pageNumber="73">A. kendalli</emphasis>
</taxonomicName>
in having a shorter tail (2.2–2.4 vs. 1.8–2.0 in TL) and in having slightly more total vertebrae (146–153 vs. 137–145).
</paragraph>
<paragraph id="8BC4F105FD4BFFD9FF66FF03C179FDB7" blockId="24.[151,1436,151,608]" pageId="24" pageNumber="73">
<taxonomicName id="4C7B8A86FD4BFFD9FF66FF03C2E7FF58" box="[199,385,224,248]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="mysi">
<emphasis id="B90F2D17FD4BFFD9FF66FF03C2E7FF58" box="[199,385,224,248]" italics="true" pageId="24" pageNumber="73">Apterichtus mysi</emphasis>
</taxonomicName>
is most similar in cephalic appearance and vertebral number to
<taxonomicName id="4C7B8A86FD4BFFD9FBE6FF03C7A1FF57" box="[1095,1223,224,248]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="australis">
<emphasis id="B90F2D17FD4BFFD9FBE6FF03C7A1FF57" box="[1095,1223,224,248]" italics="true" pageId="24" pageNumber="73">A. australis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C7B8A86FD4BFFD9FB5DFF03C6FAFF57" box="[1276,1436,224,248]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="flavicaudus">
<emphasis id="B90F2D17FD4BFFD9FB5DFF03C6FAFF57" box="[1276,1436,224,248]" italics="true" pageId="24" pageNumber="73">A. flavicaudus</emphasis>
</taxonomicName>
but differs from them in having a shorter and less acute snout (17–20% vs. 19–23% of HL), a shorter anterior nostril tube (approximately 4 times in eye vs. 3 times in eye) and the tip of its lower jaw is in advance of a line beneath the anterior margin of the orbit (vs. lower jaw tip beneath the anterior margin of the orbit). It differs from its other congeners in having fewer supratemporal and preopercular pores. The subtle differences between
<taxonomicName id="4C7B8A86FD4BFFD9FAE8FE93C6FAFE28" box="[1353,1436,368,391]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="mysi">
<emphasis id="B90F2D17FD4BFFD9FAE8FE93C6FAFE28" box="[1353,1436,368,391]" italics="true" pageId="24" pageNumber="73">A. mysi</emphasis>
</taxonomicName>
and those congeners appear to fit a pattern that other Marquesan eels display. David G. Smith of the National Museum of Natural History advised
<bibRefCitation id="EFEA8CF4FD4BFFD9FDECFE54C05AFE7F" author="McCosker" box="[589,828,439,464]" pageId="24" pageNumber="73" refString="McCosker, J. E. (2010) Deepwater Indo-Pacific species of the snake-eel genus Ophichthus (Anguilliformes: Ophichthidae), with the description of nine new species. Zootaxa, 2005, 1 - 39." type="journal article" year="2010">McCosker (2010:36)</bibRefCitation>
“that widely-dispersed species of Indo-Pacific eels occasionally possess endemic forms in the Marquesas”, a pattern that has become more substantiated by subsequent collections and studies.
</paragraph>
<paragraph id="8BC4F105FD4BFFD9FF66FDC7C3B9FDCF" blockId="24.[151,1436,151,608]" pageId="24" pageNumber="73">
A
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specimen of
<taxonomicName id="4C7B8A86FD4BFFD9FE77FDC7C13AFD93" box="[470,604,548,572]" class="Actinopterygii" family="Ophichthidae" genus="Apterichtus" kingdom="Animalia" order="Anguilliformes" pageId="24" pageNumber="73" phylum="Chordata" rank="species" species="klazingai">
<emphasis id="B90F2D17FD4BFFD9FE77FDC7C13AFD93" box="[470,604,548,572]" italics="true" pageId="24" pageNumber="73">A. klazingai</emphasis>
</taxonomicName>
was collected together with the new species at Nuku Hiva (MNHN 2001- 1089).
</paragraph>
</subSubSection>
</treatment>
</document>
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