373 lines
31 KiB
XML
373 lines
31 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1153.97139" ID-Pensoft-Pub="1313-2970-1153-1" ID-Pensoft-UUID="B007B4606AD3595BB632E2A955D29D29" ID-ZooBank="3CA1ADD391AF4169B65666F02CE797D2" ModsDocID="1313-2970-1153-1" checkinTime="1678494719984" checkinUser="pensoft" docAuthor="Hu, Jiantao, Lan, Chun & Li, Chenhong" docDate="2023" docId="7CDE78D9F945543BA13DFE496C162965" docLanguage="en" docName="ZooKeys 1153: 1-13" docOrigin="ZooKeys 1153" docPubDate="2023-03-10" docSource="http://dx.doi.org/10.3897/zookeys.1153.97139" docTitle="Microdous amblyrhynchos Hu & Lan & Li 2023, sp. nov." docType="treatment" docUuid="2C35228B-6C4A-4D19-B8EC-C0E03CB2D67E" docUuidSource="ZooBank" docVersion="2" id="B007B4606AD3595BB632E2A955D29D29" lastPageNumber="1" masterDocId="B007B4606AD3595BB632E2A955D29D29" masterDocTitle="Microdous amblyrhynchos sp. nov., a new member of the small-toothed sleepers (Teleostei, Gobiiformes, Odontobutidae) from Guangxi, southern China" masterLastPageNumber="13" masterPageNumber="1" pageNumber="1" updateTime="1678495020742" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Microdous amblyrhynchos sp. nov., a new member of the small-toothed sleepers (Teleostei, Gobiiformes, Odontobutidae) from Guangxi, southern China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hu, Jiantao</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5039-7075</mods:nameIdentifier>
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<mods:affiliation>Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution, Shanghai Ocean University, Shanghai 201306, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lan, Chun</mods:namePart>
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<mods:affiliation>Engineering Research Center of Environmental DNA and Ecological Water Health Assessment, Shanghai Ocean University, Shanghai 201306, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Chenhong</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-3075-1756</mods:nameIdentifier>
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<mods:affiliation>Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution, Shanghai Ocean University, Shanghai 201306, China</mods:affiliation>
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<mods:nameIdentifier type="email">chli@shou.edu.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-03-10</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1153</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>13</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1153.97139</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1153.97139</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1153-1</mods:identifier>
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<mods:identifier type="ZooBank">3CA1ADD391AF4169B65666F02CE797D2</mods:identifier>
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<mods:identifier type="Pensoft-UUID">B007B4606AD3595BB632E2A955D29D29</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:2C35228B-6C4A-4D19-B8EC-C0E03CB2D67E" httpUri="http://treatment.plazi.org/id/7CDE78D9F945543BA13DFE496C162965" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="https://zoobank.org/2C35228B-6C4A-4D19-B8EC-C0E03CB2D67E" authority="Hu & Lan & Li, 2023" authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos" status="sp. nov.">Microdous amblyrhynchos</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Microdous amblyrhynchos sp. nov., SOU 1801010 - 7, holotype, 74.9 mm standard length, Baise City, Guangxi A dorsal B lateral C ventral." figureDoi="10.3897/zookeys.1153.97139.figure2" httpUri="https://binary.pensoft.net/fig/822797" pageId="0" pageNumber="1">Figs 2</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Microdous amblyrhynchos sp. nov. A live male individual with spawning coloration from a local market in Yuhong Town, Lingyun County, Baise City, Guangxi, China; photo taken in summer, 2019 B fresh non-type specimen, male, deposited at collection of Duan Yao Autonomous County Aquatic Technology Station, Guangxi; preserved in 10 % formalin." figureDoi="10.3897/zookeys.1153.97139.figure3" httpUri="https://binary.pensoft.net/fig/822798" pageId="0" pageNumber="1">
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, 3 Blunt-snout small-toothed sleeper,
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<normalizedToken originalValue="Dùn">Dun</normalizedToken>
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<normalizedToken originalValue="Wěn">Wen</normalizedToken>
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<normalizedToken originalValue="Xì">Xi</normalizedToken>
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<normalizedToken originalValue="Chǐ">Chǐ</normalizedToken>
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<normalizedToken originalValue="Yoù">You</normalizedToken>
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,
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<normalizedToken originalValue="钝吻细齿䱂">钝吻细齿䱂</normalizedToken>
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(Chinese)
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</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type material">
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<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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.
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</emphasis>
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SOU1801010-7 (CL3084-7) (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Microdous amblyrhynchos sp. nov., SOU 1801010 - 7, holotype, 74.9 mm standard length, Baise City, Guangxi A dorsal B lateral C ventral." figureDoi="10.3897/zookeys.1153.97139.figure2" httpUri="https://binary.pensoft.net/fig/822797" pageId="0" pageNumber="1">2</figureCitation>
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), male, 74.9 mm standard length (SL), obtained from an unnamed stream of a tributary of the Hongshui River, upper reaches of the Xijiang River of the Pearl River basin; Lihong Village (
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<geoCoordinate degrees="24" direction="north" minutes="26.21" orientation="latitude" precision="9" value="24.436832">24°26.21'N</geoCoordinate>
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,
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<geoCoordinate degrees="106" direction="east" minutes="26.72" orientation="longitude" precision="9" value="106.445335">106°26.72'E</geoCoordinate>
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; c. 870 m a.s.l.), Yuhong Town, Lingyun County, Baise City, Guangxi, China (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. The sampling location of Microdous amblyrhynchos sp. nov. in China (inset) indicated by the green triangle." figureDoi="10.3897/zookeys.1153.97139.figure1" httpUri="https://binary.pensoft.net/fig/822796" pageId="0" pageNumber="1">1</figureCitation>
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); collected using fish trap by J.H. Lan, May 2020.
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</paragraph>
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<caption doi="10.3897/zookeys.1153.97139.figure2" httpUri="https://binary.pensoft.net/fig/822797" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov., SOU1801010-7, holotype, 74.9 mm standard length, Baise City, Guangxi
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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dorsal
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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lateral
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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ventral.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Paratypes</emphasis>
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.
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</emphasis>
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SOU1801010-8 (CL3084-8), female, 66.9 mm SL; SOU1801010-1 (CL3084-1), male, 69.8 mm SL; SOU1801010-2(CL3084-2), male, 63.2 mm standard length; SOU1801010-3 (CL3084-3), male, 76.2 mm SL. Sampling data same as for the holotype.
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</paragraph>
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<caption doi="10.3897/zookeys.1153.97139.figure3" httpUri="https://binary.pensoft.net/fig/822798" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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live male individual with spawning coloration from a local market in Yuhong Town, Lingyun County, Baise City, Guangxi, China; photo taken in summer, 2019
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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fresh non-type specimen, male, deposited at collection of Duan Yao Autonomous County Aquatic Technology Station, Guangxi; preserved in 10% formalin.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov. can be distinguished from the only congener
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<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
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<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
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</taxonomicName>
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by the following character states: snout blunt, snout length/head length ratio 0.26-0.28, mean 0.27 (vs. pointed, snout length/head length ratio 0.28-0.32); eye large, but not protruding outward, interorbital width larger than eye diameter, interorbital width/head length ratio 0.22-0.27,mean = 0.25 (vs. large and protruding eye, interorbital width equal to or smaller than eye diameter, interorbital width/head length ratio 0.11-0.12) (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Head lateral (A) and dorsal (B) view of Microdous amblyrhynchos sp. nov. (upper, SL 74.9 mm, SOU 1801010 - 7) and M. chalmersi (lower, SL 83.0 mm, SOU 070504)." figureDoi="10.3897/zookeys.1153.97139.figure4" httpUri="https://binary.pensoft.net/fig/822799" pageId="0" pageNumber="1">4</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1153.97139.figure4" httpUri="https://binary.pensoft.net/fig/822799" pageId="0" pageNumber="1" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 4.</emphasis>
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Head lateral (
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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) and dorsal (
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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) view of
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov. (upper, SL 74.9 mm, SOU1801010-7) and
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<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
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<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
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</taxonomicName>
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(lower, SL 83.0 mm, SOU070504).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Morphometric and meristic data for the holotype and paratypes are presented in Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological characters for the type specimens of Microdous amblyrhynchos sp. nov." httpUri="http://table.plazi.org/id/F3B13CCA0F4D9E76A402D13789E1EF01" pageId="0" pageNumber="1" tableUuid="F3B13CCA0F4D9E76A402D13789E1EF01">1</tableCitation>
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. The maximum standard length (SL) was 76.2 mm.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">First dorsal fin rays VII or VIII; second dorsal fin rays I/9-10; anal fin rays I/8-9; pectoral fin rays 15; pelvic fin rays I/5; caudal fin rays 15; longitudinal scale rows 40-41; transverse scale rows 13; predorsal scales 21-24; gill rakers 4+9; vertebrae 34 (16+18).</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Body stout, slightly compressed posteriorly. Head large, slightly depressed. Eye large, located in anterior half of head, not protruding outward. Several rows of tiny conical teeth on both jaws. Tiny, slender, teeth-like dermal projections in vomerine region (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Vomer region A Microdous amblyrhynchos sp. nov. SOU 1801010 - 5 B M. chalmersi CL 2076 - 1. Abbreviation: vt, vomerine teeth-like dermal projections." figureDoi="10.3897/zookeys.1153.97139.figure5" httpUri="https://binary.pensoft.net/fig/822800" pageId="0" pageNumber="1">5A</figureCitation>
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). Gill opening extending to under anterior part of eye. Cephalic sensory canals complete (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Patterns of main cephalic sensory papilla lines (rows of dots) and cephalic sensory canal system (red spots, A-Q) of Microdous amblyrhynchos sp. nov. (SOU 1801010 - 7, holotype) in lateral (A), dorsal (B) and ventral (C) view." figureDoi="10.3897/zookeys.1153.97139.figure6" httpUri="https://binary.pensoft.net/fig/822801" pageId="0" pageNumber="1">6</figureCitation>
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). Urogenital papilla distinct, rest behind the anus opening (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Urogenital papilla of Microdous amblyrhynchos sp. nov. SOU 1801010 - 7 (A male) and SOU 1801010 - 8 (B female)." figureDoi="10.3897/zookeys.1153.97139.figure7" httpUri="https://binary.pensoft.net/fig/822802" pageId="0" pageNumber="1">7</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1153.97139.figure5" httpUri="https://binary.pensoft.net/fig/822800" pageId="0" pageNumber="1" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 5.</emphasis>
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Vomer region
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov. SOU1801010-5
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
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<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
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</taxonomicName>
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CL2076-1. Abbreviation: vt, vomerine teeth-like dermal projections.
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</paragraph>
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</caption>
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<caption doi="10.3897/zookeys.1153.97139.figure6" httpUri="https://binary.pensoft.net/fig/822801" pageId="0" pageNumber="1" start="Figure 6" startId="F6">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 6.</emphasis>
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Patterns of main cephalic sensory papilla lines (rows of dots) and cephalic sensory canal system (red spots, A-Q) of
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov. (SOU1801010-7, holotype) in lateral (
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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), dorsal (
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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) and ventral (
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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) view.
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</paragraph>
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</caption>
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<caption doi="10.3897/zookeys.1153.97139.figure7" httpUri="https://binary.pensoft.net/fig/822802" pageId="0" pageNumber="1" start="Figure 7" startId="F7">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 7.</emphasis>
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Urogenital papilla of
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<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
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<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
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</taxonomicName>
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sp. nov. SOU1801010-7 (
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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male) and SOU1801010-8 (
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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female).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">Posterior tip of dorsal fin reaching origin of second dorsal fin when depressed. Second dorsal fin ends distinctly anterior of origin of caudal fin. Caudal fin and pectoral fin large, elliptical. Pelvic fins well separated, rear tip not reaching anus. Interopercle and subopercle naked. Ctenoid scales on dorsal and lateral side of body, ventral side of body posterior to anus and opercle, transforming ctenii present. Small cycloid scales on predorsal area, cheek, nape, preopercle, base of the pectoral fin, breast and abdomen.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Coloration in life</emphasis>
|
||
.
|
||
</emphasis>
|
||
Head black and dark brown with black dots on cheek. Body side yellowish, several irregular dark patches and orange dots on the side. Back dark brown. Unpaired fins possessing several inconspicuous stripes of dark spots and white edge. Pectoral fins and pelvic fins transparent and dusky. An irregular black fleck on upper part of base of pectoral fin. Ventral side of abdomen pale, with dull and inconspicuous dark patches. Urogenital papilla dark brown (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Microdous amblyrhynchos sp. nov. A live male individual with spawning coloration from a local market in Yuhong Town, Lingyun County, Baise City, Guangxi, China; photo taken in summer, 2019 B fresh non-type specimen, male, deposited at collection of Duan Yao Autonomous County Aquatic Technology Station, Guangxi; preserved in 10 % formalin." figureDoi="10.3897/zookeys.1153.97139.figure3" httpUri="https://binary.pensoft.net/fig/822798" pageId="0" pageNumber="1">3A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Coloration preserved</emphasis>
|
||
.
|
||
</emphasis>
|
||
Head dark brown with black dots on the cheek. Body side brown, orange dots absent. Back brown. Irregular black fleck on upper part of base of pectoral fin dull and inconspicuous. Ventral side of abdomen light brown. Urogenital papilla whitish (Fig.
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Microdous amblyrhynchos sp. nov. A live male individual with spawning coloration from a local market in Yuhong Town, Lingyun County, Baise City, Guangxi, China; photo taken in summer, 2019 B fresh non-type specimen, male, deposited at collection of Duan Yao Autonomous County Aquatic Technology Station, Guangxi; preserved in 10 % formalin." figureDoi="10.3897/zookeys.1153.97139.figure3" httpUri="https://binary.pensoft.net/fig/822798" pageId="0" pageNumber="1">3B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Sexual dimorphism</emphasis>
|
||
.
|
||
</emphasis>
|
||
Urogenital papilla elongate with a wide base, tapering and with a narrow tip in male; truncated in female (Fig.
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Urogenital papilla of Microdous amblyrhynchos sp. nov. SOU 1801010 - 7 (A male) and SOU 1801010 - 8 (B female)." figureDoi="10.3897/zookeys.1153.97139.figure7" httpUri="https://binary.pensoft.net/fig/822802" pageId="0" pageNumber="1">7</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Cephalic sensory canals system</emphasis>
|
||
.
|
||
</emphasis>
|
||
Anterior extension in front of interorbital with three pairs of pores A, B and C, and a single interorbital pore D. A pair of pores E lateral to pore D. Lateral section of oculoscapular canal with a series of seven pairs of pores: F to L (terminal). Preopercular canal extending to ventral side of preopercle, with five pairs of pores: M (dorsal) to Q (ventral) (Fig.
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Patterns of main cephalic sensory papilla lines (rows of dots) and cephalic sensory canal system (red spots, A-Q) of Microdous amblyrhynchos sp. nov. (SOU 1801010 - 7, holotype) in lateral (A), dorsal (B) and ventral (C) view." figureDoi="10.3897/zookeys.1153.97139.figure6" httpUri="https://binary.pensoft.net/fig/822801" pageId="0" pageNumber="1">6</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Cephalic sensory papillae</emphasis>
|
||
.
|
||
</emphasis>
|
||
Neuromast numerous, small and densely set in mostly longitudinally arranged rows (Fig.
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Patterns of main cephalic sensory papilla lines (rows of dots) and cephalic sensory canal system (red spots, A-Q) of Microdous amblyrhynchos sp. nov. (SOU 1801010 - 7, holotype) in lateral (A), dorsal (B) and ventral (C) view." figureDoi="10.3897/zookeys.1153.97139.figure6" httpUri="https://binary.pensoft.net/fig/822801" pageId="0" pageNumber="1">6</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="biology_ecology">
|
||
<paragraph pageId="0" pageNumber="1">Biology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<taxonomicName genus="Mircodous" lsidName="Mircodous amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Mircodous amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
can be found in small creeks or rivers with slow moving, clear water and rocky bottom. Some remains of chitin exoskeleton of crustaceans were found in the anus opening of the holotype, suggesting that
|
||
<taxonomicName lsidName="M. amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
is carnivorous. The
|
||
<normalizedToken originalValue="male’s">male's</normalizedToken>
|
||
head would turn black with several orange dots on the body sides during their spawning seasons.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
This species is named for its blunt snout distinguishing it from
|
||
<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
|
||
</taxonomicName>
|
||
. The species name derives from Greek
|
||
<emphasis italics="true" pageId="0" pageNumber="1">ambly</emphasis>
|
||
meaning dull or blunt and
|
||
<emphasis italics="true" pageId="0" pageNumber="1">rhynchos</emphasis>
|
||
meaning snout.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="phylogenetic analysis">
|
||
<paragraph pageId="0" pageNumber="1">Phylogenetic analysis.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The COI tree with three individuals of
|
||
<taxonomicName lsidName="M. amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
and representative species of all available
|
||
<taxonomicName authorityName="Hoese & A.C.Gill" authorityYear="1993" class="Actinopterygii" family="Odontobutidae" kingdom="Animalia" lsidName="" order="Perciformes" pageId="0" pageNumber="1" phylum="Chordata" rank="family">Odontobutidae</taxonomicName>
|
||
genera except for
|
||
<taxonomicName authorityName="Shibukawa, Iwata & Viravong" authorityYear="2001" class="Actinopterygii" family="Odontobutidae" genus="Terateleotris" kingdom="Animalia" lsidName="Terateleotris" order="Perciformes" pageId="0" pageNumber="1" phylum="Chordata" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Terateleotris</emphasis>
|
||
</taxonomicName>
|
||
is shown in Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Maximum-likelihood (ML) tree of Microdous amblyrhynchos sp. nov., and other species of the Odontobutidae, based on sequences (~ 1500 bp) covering the whole barcoding region of cytochrome c oxidase subunit I (COI) gene. Numbers at nodes indicate the bootstrap support (BS). BS <95 are not shown. SOU 1801010 - 1, SOU 1801010 - 2, and SOU 1801010 - 3 are the voucher numbers of the paratypes. CL 2076 - 3 and CL 2076 - 5 are the collection numbers of M. chalmersi." figureDoi="10.3897/zookeys.1153.97139.figure8" httpUri="https://binary.pensoft.net/fig/822803" pageId="0" pageNumber="1">8</figureCitation>
|
||
.
|
||
<taxonomicName baseAuthorityName="Valenciennes" baseAuthorityYear="1837" class="Actinopterygii" family="Rhyacichthyidae" genus="Rhyacichthys" kingdom="Animalia" lsidName="Rhyacichthys aspro" order="Perciformes" pageId="0" pageNumber="1" phylum="Chordata" rank="species" species="aspro">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Rhyacichthys aspro</emphasis>
|
||
</taxonomicName>
|
||
Valenciennes, 1837 was used as the outgroup following
|
||
<bibRefCitation DOI="https://doi.org/10.1016/j.ympev.2017.12.026" author="Li, HJ" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="0" pageNumber="1" pagination="1 - 11" refId="B8" refString="Li, HJ, He, Y, Jiang, JJ, Liu, ZZ, Li, CH, 2018. Molecular systematics and phylogenetic analysis of the Asian endemic freshwater sleepers (Gobiiformes: Odontobutidae). Molecular Phylogenetics and Evolution 121: 1 - 11, DOI: https://doi.org/10.1016/j.ympev.2017.12.026" title="Molecular systematics and phylogenetic analysis of the Asian endemic freshwater sleepers (Gobiiformes: Odontobutidae)." url="https://doi.org/10.1016/j.ympev.2017.12.026" volume="121" year="2018">Li et al. (2018)</bibRefCitation>
|
||
. All genera of
|
||
<taxonomicName authorityName="Hoese & A.C.Gill" authorityYear="1993" class="Actinopterygii" family="Odontobutidae" kingdom="Animalia" lsidName="" order="Perciformes" pageId="0" pageNumber="1" phylum="Chordata" rank="family">Odontobutidae</taxonomicName>
|
||
were monophyletic in the tree. All
|
||
<taxonomicName lsidName="M. amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
specimens formed a clade distinct from
|
||
<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
|
||
</taxonomicName>
|
||
. The p-distance between
|
||
<taxonomicName lsidName="M. amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
|
||
</taxonomicName>
|
||
was 10.7% (Suppl. material 1), suggesting that
|
||
<taxonomicName lsidName="M. amblyrhynchos" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
is a distinct species of the genus
|
||
<taxonomicName family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous" order="Gobiiformes" pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Microdous</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption doi="10.3897/zookeys.1153.97139.figure8" httpUri="https://binary.pensoft.net/fig/822803" pageId="0" pageNumber="1" start="Figure 8" startId="F8">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Figure 8.</emphasis>
|
||
Maximum-likelihood (ML) tree of
|
||
<taxonomicName authorityName="Hu & Lan & Li" authorityYear="2023" family="Odontobutidae" genus="Microdous" kingdom="Animalia" lsidName="Microdous amblyrhynchos" order="Gobiiformes" pageId="0" pageNumber="1" rank="species" species="amblyrhynchos">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Microdous amblyrhynchos</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., and other species of the
|
||
<taxonomicName authorityName="Hoese & A.C.Gill" authorityYear="1993" class="Actinopterygii" family="Odontobutidae" kingdom="Animalia" lsidName="" order="Perciformes" pageId="0" pageNumber="1" phylum="Chordata" rank="family">Odontobutidae</taxonomicName>
|
||
, based on sequences (~ 1500 bp) covering the whole barcoding region of cytochrome c oxidase subunit I (COI) gene. Numbers at nodes indicate the bootstrap support (BS). BS <95 are not shown. SOU1801010-1, SOU1801010-2, and SOU1801010-3 are the voucher numbers of the paratypes. CL2076-3 and CL2076-5 are the collection numbers of
|
||
<taxonomicName lsidName="M. chalmersi" pageId="0" pageNumber="1" rank="species" species="chalmersi">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">M. chalmersi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |