251 lines
29 KiB
XML
251 lines
29 KiB
XML
<document id="EC674E5B71DD22802E8FB42EBE64CCD7" ENCODING="UTF-8" ID-GBIF-Dataset="4672debe-f0ae-4997-b503-a87c38f6b506" ModsDocID="z01526p063" checkinTime="1247326957346" checkinUser="thomas" docAuthor="Jian Yang, Xiaoyong Chen & Junxing Yang" docDate="2007" docId="EC8CA2E58ADDF1712DB02F48A8E8CD43" docLanguage="en" docName="2007_Yang_Chen_Yang_gg2.xml" docOrigin="Zootaxa 1526" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:1DC37297-5569-4C7F-9298-0D6E59B0C567" docTitle="Metahomaloptera longicauda Yang, Chen & Yang, 2007, sp. nov." docType="treatment" docVersion="12" lastPageNumber="68" masterDocId="603035C47585CB3F2C6AE8D9FA024D68" masterDocTitle="A new species of Metahomaloptera (Teleostei: Balitoridae) from China." masterLastPageNumber="68" masterPageNumber="63" pageNumber="64" updateTime="1701314660544" updateUser="plazi">
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<mods:mods id="1CB3C73747CAEC37A2FBFC8498EA360F" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="4FBCE9A10A347A92F3A5249A9C056D01">
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<mods:title id="5EA2CCCCD7FEB20F69BC15E8E5BA9CB6">A new species of Metahomaloptera (Teleostei: Balitoridae) from China.</mods:title>
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</mods:titleInfo>
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<mods:name id="9410C36FF6CF6A52E3EF195060D2BDA8" type="personal">
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<mods:role id="D222BCDF381D1ED81C4F6BD9B5E5C980">
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<mods:roleTerm id="10885468BDDE8B8157CF74C42D5BB39B">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5BD269E85E1A701E0586DEA833C9B913">Jian Yang</mods:namePart>
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</mods:name>
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<mods:name id="EB1DB603CAD83F4FC3FEA07A3C4B7841" type="personal">
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<mods:role id="95820B731237EE61FB1EF6BACEB684FB">
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<mods:roleTerm id="ED15DE3C00AC74E3B9876814A9D1DBFC">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="894638D66DA5CC32CC79343A03E9AD3D">Xiaoyong Chen</mods:namePart>
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</mods:name>
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<mods:name id="96F57E8B811C683A1984F6D41E69722A" type="personal">
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<mods:role id="988F399D8ED1341519A7DBAF936129FE">
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<mods:roleTerm id="5CFCBAFF3A38165CF5A27C98FE06E3B1">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="9844809F3451E2422B9F6490E1A6723B">Junxing Yang</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="351F2E9A0AFD63DFD6673F40FCA54524">text</mods:typeOfResource>
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<mods:relatedItem id="6AE566D62F79E733A6D3EECD8765E498" type="host">
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<mods:titleInfo id="DF8DF1D9901D32C9603B1D9139417D7C">
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<mods:title id="A1AC7ADDDF8C700C30F464414FF93F40">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="92B09871E9E1E4B4903AC886402F0A62">
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<mods:date id="EDB5FA2C2699B1CF63082B2427DB13E0">2007</mods:date>
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<mods:detail id="F3BC5B430C3A065B09C3381A95D7AF12" type="volume">
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<mods:number id="6A29490388FB546FA0B98E6EBBE864A9">1526</mods:number>
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</mods:detail>
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<mods:extent id="84BAE38269EF216B2DD12081AAD9DAC8" unit="page">
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<mods:start id="08717E0B6877FAABADF54126CA9DD773">63</mods:start>
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<mods:end id="F11A6C0F0BF3F1B0F5156CD65A8DD3D0">68</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 id="A76556AA8C04C3C61BC4A1B268282BEF">
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<mods:url id="E1C62E0265D87A93C5D3044354F3F41C">http://www.zoobank.org/urn:lsid:zoobank.org:pub:1DC37297-5569-4C7F-9298-0D6E59B0C567</mods:url>
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</mods:location>
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<mods:classification id="9E86290A6537E411E56BA211B666E1EA">journal article</mods:classification>
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<mods:identifier id="41C14D737871B9ECBE875E9314F98478" type="Plazi-Custom">z01526p063</mods:identifier>
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</mods:mods>
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<treatment id="EC8CA2E58ADDF1712DB02F48A8E8CD43" ID-DOI="http://doi.org/10.5281/zenodo.6242797" ID-GBIF-Taxon="100123562" ID-Zenodo-Dep="6242797" LSID="urn:lsid:plazi:treatment:EC8CA2E58ADDF1712DB02F48A8E8CD43" httpUri="http://treatment.plazi.org/id/EC8CA2E58ADDF1712DB02F48A8E8CD43" lastPageNumber="68" pageNumber="64">
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<subSubSection id="0FF07EC94492EC9E2722CC8AD4DA59B3" type="nomenclature">
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<paragraph id="53E4474FE23BB5F9AE260EF23A17FEF1" pageNumber="64">
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<taxonomicName id="D345DF2BE7BD6658571D67A70E061246" ID-CoL="6RD8S" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="64" phylum="Chordata" rank="species" species="longicauda">Metahomaloptera longicauda</taxonomicName>
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<taxonomicNameLabel id="E89DA48B61BFE11473C505D812593C06" rank="species">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="2C17D753639D9B09F3EF25DB185D9B0F" type="description">
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<paragraph id="063A5259135C6FD221899DB840E30904" pageNumber="64">(Fig. 1)</paragraph>
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</subSubSection>
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<subSubSection id="B47F3C86F0C37A3BB500EC3045BB142B" type="nomenclature">
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<paragraph id="DCBD96FC447B24DFFEEE4F3459C48415" pageNumber="64">
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Type material.
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<materialsCitation id="0C61CD22E44FE7FD2425A6CF6C917DE3" ID-GBIF-Occurrence="923892950" collectingDate="2006-12-02" collectionCode="KIZ" collectorName="J. Yang, B. Yang" country="China" county="Zhanyi County" latitude="25.90261" location="Chuanhedong village, Deze town" longitude="103.580414" specimenCode="KIZ 20060304" stateProvince="Yunnan Province" typeStatus="Holotype">
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<typeStatus id="C083ABA9B975698AA9082983DEA19D53">Holotype</typeStatus>
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:
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<specimenCode id="D3CA6389B5F2F466C9392F24F3289774">
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<collectionCode id="6F207DEB260D7BD5589E97158C723C13">KIZ</collectionCode>
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20060304
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</specimenCode>
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, 41.9 mm SL,
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<location id="DA47E60C8ADFA0232AB78F0EFFD4EADD" LSID="urn:lsid:plazi:treatment:EC8CA2E58ADDF1712DB02F48A8E8CD43:DA47E60C8ADFA0232AB78F0EFFD4EADD" country="China" county="Zhanyi County" latitude="25.90261" longitude="103.580414" name="Chuanhedong village, Deze town" stateProvince="Yunnan Province">Chuanhedong village, Deze town</location>
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,
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<collectingCounty id="C9346E106AE9697C3D45BF400E37D12F">Zhanyi County</collectingCounty>
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,
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<collectingRegion id="034473D1C5CDAE00235221044E3085A4">Yunnan Province</collectingRegion>
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,
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<collectingCountry id="81488A95180E57FE6D7904E994B4D64E">China</collectingCountry>
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;
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<geoCoordinate id="5F5F4EC31BEE01710C940D442959DEA5" direction="north" orientation="latitude" value="25.90261">25° 54' 9.4'' N</geoCoordinate>
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,
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<geoCoordinate id="3FA8C88AB45899A6EBB5222ED32DBA2F" direction="east" orientation="longitude" value="103.580414">103° 34' 49.5'' E</geoCoordinate>
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;
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<date id="FAC70276AEE70A1E3E74A3F80B2768D6" day="02" month="12" value="2006-12-02" year="2006">
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<collectingDate id="BB3DB90249F60F9B40926111E11FB9F5" day="02" month="12" value="2006-12-02" year="2006">2 Dec. 2006</collectingDate>
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</date>
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;
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<collectorName id="E0954815ABCDBC6C63F1146260685318">J. Yang, B. Yang</collectorName>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="47653B7BB7E158E329DC712080F62770" pageNumber="64">
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<materialsCitation id="D324274BEF1E970724AB0108F219F4FC" ID-GBIF-Occurrence="923892947" collectingDate="2006-12-02" collectionCode="KIZ" collectorName="J. Yang, B. Yang" country="China" county="Zhanyi County" latitude="25.90261" location="Chuanhedong village, Deze town" longitude="103.580414" specimenCode="KIZ 20060305" stateProvince="Yunnan Province" typeStatus="Paratype">
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<typeStatus id="56D1AD4748584E71DEAF5A204BCD9C65">Paratypes</typeStatus>
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:
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<specimenCode id="396FD42C2DBB356AA38070DA739F688E">
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<collectionCode id="735A15F60C5D4C2E68910BB942259AD9">KIZ</collectionCode>
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20060305
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</specimenCode>
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, 36.9 mm SL, 1 ex. Same data as holotype
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</materialsCitation>
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,
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<materialsCitation id="C166CA1F22E0EF6F52239D61B606D11F" ID-GBIF-Occurrence="923892951" collectingDate="2006-12-01" collectionCode="KIZ" collectorName="J. Yang, B. Yang" country="China" county="Zhanyi County" latitude="25.691166" location="Tuole village" longitude="103.55042" specimenCode="KIZ 20060306" stateProvince="Yunnan Province" typeStatus="Paratype">
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<specimenCode id="2ADFD0C37C27C70391880A1E419E1A5D">
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<collectionCode id="374DA3CA432105D099B81DE20032CF12">KIZ</collectionCode>
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20060306
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</specimenCode>
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, 43.5 mm SL, 1 ex.
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<location id="711E32F9DCA5AFE2E73BB7B4DFB58255" LSID="urn:lsid:plazi:treatment:EC8CA2E58ADDF1712DB02F48A8E8CD43:711E32F9DCA5AFE2E73BB7B4DFB58255" country="China" county="Zhanyi County" latitude="25.691166" longitude="103.55042" name="Tuole village" stateProvince="Yunnan Province">Tuole village</location>
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,
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<collectingCounty id="12122FFB7464DBBAD86BEF910C23A0A0">Zhanyi County</collectingCounty>
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,
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<collectingRegion id="F68CAF61E9F123D25305BBC429789146">Yunnan Province</collectingRegion>
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,
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<collectingCountry id="34A943904AD9BD51340FDAB329296FA8">China</collectingCountry>
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;
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<geoCoordinate id="F433F6AA46CFE8F7C713061DC845B11A" direction="north" orientation="latitude" value="25.691166">25° 41' 28.2'' N</geoCoordinate>
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,
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<geoCoordinate id="6465C8644AF3B33CC1B2B4CD031D4C76" direction="east" orientation="longitude" value="103.55042">103° 33' 01.5'' E</geoCoordinate>
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;
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<date id="EC8694D63123389F807FEFC20B83386F" day="01" month="12" value="2006-12-01" year="2006">
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<collectingDate id="F4548938B066E330823CFFCA8EA0558C" day="01" month="12" value="2006-12-01" year="2006">1 Dec. 2006</collectingDate>
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</date>
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;
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<collectorName id="E1438B9EFB6D56475E64F893575B18E1">J Yang, B Yang</collectorName>
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</materialsCitation>
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.
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<materialsCitation id="25963A9B3A1FFD77B408662A9A528C70" ID-GBIF-Occurrence="923892945" collectionCode="KIZ" country="China" location="Fumin" specimenCode="KIZ 603672" stateProvince="Yunnan Province" typeStatus="Paratype">
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<specimenCode id="7E4469E3CB4473ABCE00A1F778707A4F">
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<collectionCode id="BCB940D87B3D377FF97A9427850CD771">KIZ</collectionCode>
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603672
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</specimenCode>
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, 38.4 mm SL, 1 ex.
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<location id="B96260131CCF61CACBC9E6885CA0C32D" LSID="urn:lsid:plazi:treatment:EC8CA2E58ADDF1712DB02F48A8E8CD43:B96260131CCF61CACBC9E6885CA0C32D" country="China" name="Fumin" stateProvince="Yunnan Province">Fumin</location>
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,
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<collectingRegion id="4C14B2DB310B535DD49EEDE19919B075">Yunnan Province</collectingRegion>
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,
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<collectingCountry id="6747D1958B3D8EF57986CEB8B0B48DC5">China</collectingCountry>
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.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="B31E1A211DFC345FF7C1A28B8C7300C0" type="diagnosis">
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<paragraph id="454DE3335E43D1D7C96EA282E3230A88" lastPageNumber="65" pageNumber="64">
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Diagnosis.
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<taxonomicName id="52C96F9BE9A48090EB089C90A5FBA9C2" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="64" phylum="Chordata" rank="species" species="longicauda">Metahomaloptera longicauda</taxonomicName>
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is distinguished from
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<taxonomicName id="F85786835C91817DBE3D380D0BC84F55" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="64" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="omeiensis">M. omeiensis omeiensis</taxonomicName>
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in dorsal fin inserting before the middle of body (vs. dorsal fin inserting in the middle of body), having a longer pectoral fin (expending beyond the dorsal-fin origin vs. not), anal fin far from caudal-fin base (vs. anal fin reaching base of caudal fin), pelvic fin reaching or expending beyond anus (vs. pelvic fin far from anus), head narrow (head width 19.4-22.6% SL, vs. 22.7-30.2), pre-anal length 69.0-74.3% SL (vs. 80.7-87.4), having a longer (17.1-20.7% SL vs. 8.4-11.9) and more slender (caudal-peduncle depth 33.7-43.1% caudal-peduncle length vs. 62.7-87.6) caudal peduncle, eye small (eye diameter 14.6-16.6% HL vs. 16.7-23.9), mouth wide (mouth width 63.2-75.5% body width at pectoral-fin origin vs. 30.3-42.3).
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<taxonomicName id="76E0D59F85B1CF42870ECEBF07B33ADB" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="64" phylum="Chordata" rank="species" species="longicauda">Metahomaloptera longicauda</taxonomicName>
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can be further distinguished from
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<taxonomicName id="80AA825363525A63C051DF5B389A13C3" LSID-ZBK="urn:lsid:zoobank.org:act:AE810F0F-1D7C-4920-97E2-854471185773" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera omeiensis hangshuiensis Xie, Yang & Gong 1984:63" order="Cypriniformes" pageNumber="64" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="hangshuiensis">M. omeiensis hangshuiensis</taxonomicName>
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in having fewer blackish blotches along the median dorsal line from occipital region to base of caudal (8-9 vs. 10-15), a longer pectoral fin (expending beyond the dorsal-fin origin vs. not), more lateral-line scale rows (66-78 vs. 59-63), fewer branched pectoral rays (11-15 vs. 16-18), fewer branched pelvic rays (10-12 vs. 13-15), a longer (17.1-20.7% SL vs. 7.1-10) and more slender (caudal peduncle depth 33.7-43.1% caudal peduncle length vs. 76.9-111.1) caudal peduncle.
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</paragraph>
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</subSubSection>
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<subSubSection id="74598ECC97E7E49EC47A5E769DF9542B" type="description">
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<paragraph id="A2C8F81042A0B07F87C36AF09F6B5A6C" pageNumber="65">
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Description. Biometric comparisons of
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<taxonomicName id="FCB6B1FA69177A27609D2ACB33BF3659" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="65" phylum="Chordata" rank="species" species="longicauda">M. longicauda</taxonomicName>
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and
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<taxonomicName id="C548E6335F046E461B81D57E349E8736" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="65" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="omeiensis">M. omeiensis omeiensis</taxonomicName>
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are presented in Table 1. Ventral view of head of
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<taxonomicName id="265D1B1DD91C1449D70A30B62BC8FF5D" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="65" phylum="Chordata" rank="species" species="longicauda">M. longicauda</taxonomicName>
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is presented in Figure 2. Body elongate and compressed; head longer than width at pectoral-fin origin. Snout spatulate and broad; snout longer than half of head, 3-4 times eye diameter. Numerous small white tubercles on dorsal surface of head. Anterior and posterior nostrils closely situated; anterior nostril in short tubular flap. Eye small, 1/6 of head length; eye diameter slightly shorter than gill opening. Interorbital width shorter than snout length and less than 1/2 of head length. Gill opening very small, crescent-shaped, and situated entirely above base of pectoral fin. Mouth inferior, wide, and crescentshaped; corner of mouth almost reaching pectoral-fin origin. Mouth with four pairs of barbels, rostral fold with four notches to accommodate rostral barbels, a fleshy lobe between two neighboring notches, and the inner fleshy lobe larger than the lateral two. Four rostral barbels of equal length. Fleshy lobe enlarged between rostral and maxillary barbels. Rostral fold and upper lip separated by shallow groove; upper lip with single row of papillae and continuous with lower lip at mouth corner. Maxillary barbels at corner of mouth; inner pair of barbels shorter and more slender than outer pair. Lower lip plain and thin. Jaws with sharp largely exposed horny edge. Lower jaw with radial ridges on surface.
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</paragraph>
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<paragraph id="C3B527AA97EA60BB6569048E26E2629D" pageNumber="65">Dorsal-fin origin located before middle of body with iii,8 rays. Dorsal-fin margin straight. Base of dorsal fin shorter than head length. Pectoral fin with 13 simple and 11-15 branched rays; fin expanded and inserted vertical of nostrils. Tip of pectoral fin overlapping anterior part of pelvic fin and extending beyond vertical origin of dorsal fin. Pelvic fin with 8-9 simple and 10-12 branched rays. Pelvic-fin origin anterior to vertical of dorsal-fin origin. Pelvic fins fused posteriorly; posterior edge reaching or extending beyond anus and far from anal fin. Expanded muscular band present above pelvic-fin base. Anal fin with ii,5 rays and far from caudal-fin base. Anus closer to anal-fin origin than to posterior edge of pelvic-fin base. Caudal fin shallowly emarginated; lower lobe slightly longer than upper lobe. Body covered with tiny cycloid scales. Lateral line complete, straight and with 66-78 scales.</paragraph>
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</subSubSection>
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<subSubSection id="A9F11935D7D464DE302D4C3B5EDE144A" type="description">
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<paragraph id="36617040F31F5074DB5F282BBFEE8A00" pageNumber="67">Coloration. After fixed in 10% formalin and storage in 75% ethanol, body is dark grey. Median dorsal line with 8-9 blackish blotches from occipital region to base of caudal fin; 2-3 blotches anterior to dorsal-fin origin and 5-6 posterior to dorsal-fin origin. Dorsal-fin rays dark grey with two blackish bands. Caudal and anal fins with one wide vertical blackish band.</paragraph>
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</subSubSection>
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<subSubSection id="D4AC5935E319BABE24EDD6969F12381B" type="distribution">
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<paragraph id="AF45C60B8D4A67ABBD6F378A2A38CCE5" pageNumber="67">Distribution. Presently known from the Niulan Jiang River and the Pudu River (tributaries of the lower Jinsha River) (Fig. 3).</paragraph>
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</subSubSection>
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<subSubSection id="AFBA8DED09BEFE44173DA1615FEECF76" type="biology_ecology">
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<paragraph id="6BD7F7D04F65654268DD0AB59BAFF748" pageNumber="67">
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Habitat and ecology. In Tuole (Niulan Jiang River), the river is clear and fast flowing, 8-20 m wide, 0.5- 2 m deep, and with a pH 6.0. The river substrate is sand, cobbles and boulders.
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<taxonomicName id="DC9454F8F383BADC5FBDCEC103B7D17F" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="longicauda">Metahomaloptera longicauda</taxonomicName>
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was collected in the rapid water amongst boulders. Other fishes found in the same locality include
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<taxonomicName id="FBE59076E9381CCD40489137657988E4" family="Cyprinidae" genus="Discogobio" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="yunnanensis">Discogobio yunnanensis</taxonomicName>
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(Cyprinidae),
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<taxonomicName id="A655D89D6E16B588704E068F4DA1E59A" family="Cyprinidae" genus="Abbottina" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="rivularis">Abbottina rivularis</taxonomicName>
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(Cyprinidae),
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<taxonomicName id="5D73C76690D4C3A2A8BDA5C368AAD97C" family="Cyprinidae" genus="Pseudorasbora" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="parvus">Pseudorasbora parvus</taxonomicName>
|
|
(Cyprinidae),
|
|
<taxonomicName id="C81CAEC5FF0A90704BB18883790C2E3B" genus="Beafortia" pageNumber="67" rank="species" species="szechuanensis">Beafortia szechuanensis</taxonomicName>
|
|
(Balitoridae),
|
|
<taxonomicName id="0D8EEDFC070A8ADB9BD6FEDE6FFC2A25" LSID-ZBK="urn:lsid:zoobank.org:act:DA53A90B-3A33-46F9-AF72-47C2B63CD72F" family="Balitoridae" genus="Sinogastromyzon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Sinogastromyzon dezeensis Li, Mao & Lu 1999:45" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="dezeensis">Sinogastromyzon dezeensis</taxonomicName>
|
|
(Balitoridae),
|
|
<taxonomicName id="685D74D9FACDFB66D2209B5C75BD40AB" family="Nemacheilidae" genus="Triplophysa" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="grahami">Triplophysa grahami</taxonomicName>
|
|
(Balitoridae),
|
|
<taxonomicName id="8E2CD9EE60EA06674ED3BC8DEE8D2391" family="Nemacheilidae" genus="Schistura" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="fasciolata">Schistura fasciolata</taxonomicName>
|
|
(Balitoridae) and
|
|
<taxonomicName id="C944A8B6A0ABF17662E5D90CC91BC9D7" family="Amblycipitidae" genus="Liobagrus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="67" phylum="Chordata" rank="species" species="marginatus">Liobagrus marginatus</taxonomicName>
|
|
(Amblycipitidae). In Deze (downstream of Tuole,), the habitat is the same as that at Tuole, but more species coexist with
|
|
<taxonomicName id="E101CCB71635E1106EB012F9A3984158" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="longicauda">M. longicauda</taxonomicName>
|
|
. Those include the species listed above and
|
|
<taxonomicName id="2E083E91BBBF836B52F8D7E194616017" family="Cyprinidae" genus="Carassius" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="subSpecies" species="auratus" subSpecies="auratus">Carassius auratus auratus</taxonomicName>
|
|
(Cyprinidae),
|
|
<taxonomicName id="775E5802D4E05D8471459220A32EAA43" genus="Pseudogyrincheilus" pageNumber="67" rank="species" species="procheilus">Pseudogyrincheilus procheilus</taxonomicName>
|
|
(Cyprinidae),
|
|
<taxonomicName id="754873E248F2AF5BB895B0B03FE301F5" family="Gobiidae" genus="Rhinogobius" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="67" phylum="Chordata" rank="species" species="brunneus">Rhinogobius brunneus</taxonomicName>
|
|
(Gobiidae),
|
|
<taxonomicName id="1708BF0F998824657B5B8A7743EEF596" LSID-ZBK="urn:lsid:zoobank.org:act:FF32C0E0-BC94-451C-9425-5AA9993C0896" family="Cyprinidae" genus="Rhodeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Rhodeus ocellatus vietnamensis Mai 1978:179" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="species" species="ocellatus">Rhodeus ocellatus</taxonomicName>
|
|
(Cyprinidae) and
|
|
<taxonomicName id="E8655F4FA1F5C5320BD9E1FC4B3EC200" family="Nemacheilidae" genus="Paracobitis" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="67" phylum="Chordata" rank="subSpecies" species="variegatus" subSpecies="variegatus">Paracobitis variegatus variegatus</taxonomicName>
|
|
(Balitoridae).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="341155248CEEDF4A5BC90E9B71C55D57" type="etymology">
|
|
<paragraph id="BFDBBD97AD38D83A1C5C1025C2981F8C" pageNumber="68">
|
|
Etymology. A noun from the Latin longus, meaning long, and caudal, meaning the tail of an animal, in reference to the species having a longer caudal peduncle when compared with
|
|
<taxonomicName id="3FB658F4267120D31B8D11F8E5A1DD9D" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="oemeiensis" subSpecies="omeiensis">M. oemeiensis omeiensis</taxonomicName>
|
|
and
|
|
<taxonomicName id="DC9B7B7A92E7BDA6DBC9228DD8DA8C83" LSID-ZBK="urn:lsid:zoobank.org:act:AE810F0F-1D7C-4920-97E2-854471185773" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera omeiensis hangshuiensis Xie, Yang & Gong 1984:63" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="oemeiensis" subSpecies="hangshuiensis">M. oemeiensis hangshuiensis</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="6C35CD06138819AAA2E72473C230C0D6" type="discussion">
|
|
<paragraph id="36687CA476E2181C7D7A3DC526E6A02A" pageNumber="68">
|
|
Discussion. To date, only one species containing two subspecies is considered valid in
|
|
<taxonomicName id="65A9CD23643B9A92F3714B12159A1914" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
(Chen & Tang, 2000; Tang & Chen, 2000), viz.
|
|
<taxonomicName id="7F2C1F95B7B9F0406B101AB70FD476F0" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="omeiensis">M. omeiensis omeiensis Chang, 1944</taxonomicName>
|
|
,
|
|
<taxonomicName id="7FE3E0C07CA0E372773975ACC035A654" LSID-ZBK="urn:lsid:zoobank.org:act:AE810F0F-1D7C-4920-97E2-854471185773" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera omeiensis hangshuiensis Xie, Yang & Gong 1984:63" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="hangshuiensis">M. omeiensis hangshuiensis Xie, Yang & Gong, 1984</taxonomicName>
|
|
. The description of
|
|
<taxonomicName id="7B55FE8E32A45A3B8E0E3ACDCA2BBF35" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="species" species="longicauda">M. longicauda</taxonomicName>
|
|
raises the number of known species in the genus to two. The significantly longer caudal peduncle and wider mouth of
|
|
<taxonomicName id="D946CA654B4FBF5AE4DF118D4047A9C9" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="species" species="longicauda">M. longicauda</taxonomicName>
|
|
easily distinguishes it from
|
|
<taxonomicName id="8F316D7A0C7DA84A6E7479208E1CF313" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="omeiensis">M. omeiensis omeiensis</taxonomicName>
|
|
(Figs. 4, 5).
|
|
</paragraph>
|
|
<paragraph id="F29E541944E46D9238A93921E2BB2629" pageNumber="68">
|
|
<taxonomicName id="014334D87FBCAA41A658789E68BB3F2B" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
is restricted to the lower Jinsha River (the name the Yangtse River in Yunnan Province) and the upper Yangtse River (Sichuan, Shanxi and Hubei Province) (Fig. 3). The distribution of
|
|
<taxonomicName id="3BFD98CCA472D7A142A200A3D8DC0CF1" LSID-ZBK="urn:lsid:zoobank.org:act:AE810F0F-1D7C-4920-97E2-854471185773" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera omeiensis hangshuiensis Xie, Yang & Gong 1984:63" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="subSpecies" species="omeiensis" subSpecies="hangshuiensis">M. omeiensis hangshuiensis</taxonomicName>
|
|
is desctibed by Chen & Tang (2000) as the Hanshui River. Chang (1944) indicated that the rudimentary nature of the gill-opening in
|
|
<taxonomicName id="719F09A42F717A1C2A806F34343A966C" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
must be of generic significance, and
|
|
<taxonomicName id="16924AC17101945849B15FBFB311D8B6" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
is obviously more specialized and advanced than
|
|
<taxonomicName id="064842407F3A5585E7FBCDFB352072E0" LSID-ZBK="urn:lsid:zoobank.org:act:5D7B570A-9147-4789-B8FF-9F28B05676E8" family="Balitoridae" genus="Sinogastromyzon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Sinogastromyzon Fang 1930:35" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Sinogastromyzon</taxonomicName>
|
|
. Chen (1980) discussed the phylogenetic position of
|
|
<taxonomicName id="CB8776F7C80737DD43B63843C0931469" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
based on an osteological study, corroborated the hypothesis of Chang (1944) that
|
|
<taxonomicName id="CC8348647042045E36BD4660DC89C372" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomaloptera</taxonomicName>
|
|
is more specialized and advanced than
|
|
<taxonomicName id="F7D54595ECE170B222A0F9C6D42B4FA3" LSID-ZBK="urn:lsid:zoobank.org:act:5D7B570A-9147-4789-B8FF-9F28B05676E8" family="Balitoridae" genus="Sinogastromyzon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Sinogastromyzon Fang 1930:35" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Sinogastromyzon</taxonomicName>
|
|
.
|
|
<taxonomicName id="CF37480083374C4EA139AC4C2F5986BF" LSID-ZBK="urn:lsid:zoobank.org:act:3EC083FF-2C57-4D7E-BEF2-8D82876871DF" family="Balitoridae" genus="Metahomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Metahomaloptera Chang 1944:54" order="Cypriniformes" pageNumber="68" phylum="Chordata" rank="genus">Metahomloptera</taxonomicName>
|
|
is adapted to fast-flowing streams, and many of the morphological features are adaptations to the special environment. Notable adaptations includes those of the mouth, pelvic fin, maxillary barbels and gill-opening, and the depressed body and head. These specialized characters are always used to distinguish genera and species. Their function and importance in phylogenetic analyses should be studied further.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |