209 lines
28 KiB
XML
209 lines
28 KiB
XML
<document id="85A547C6871CC7629A44AC0E5B66F03C" ENCODING="UTF-8" ID-GBIF-Dataset="5d753145-ed85-49a2-b6e3-a6f095c22053" ModsDocID="z00183p001" checkinTime="1246896075009" checkinUser="thomas" docAuthor="Chavalit Vidthayanon & Heok Hee Ng" docDate="2003" docId="7727F15BD9AFBA86B88D98EF8D224579" docLanguage="en" docName="2003_Vidthayanon_Ng_gg2.xml" docOrigin="Zootaxa 183" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:8C2AF305-B973-4619-978B-A068163A2FBD" docTitle="Acrochordonichthys gyrinus Vidthayanon & Ng, 2003, sp. nov." docType="treatment" docUuid="38E4CD50-F460-4279-B810-D8CACE89E87C" docUuidSource="ZooBank" docVersion="14" lastPageNumber="6" masterDocId="FBFCD0F1838DC1F88B165565DA58AD17" masterDocTitle="Acrochordonichthys gyrinus, a new species of akysid catfish (Teleostei: Siluriformes) from Thailand." masterLastPageNumber="7" masterPageNumber="1" pageNumber="2" updateTime="1701313847442" updateUser="plazi">
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<mods:mods id="9979D6F0673935924C1B2DDE6FC535BC" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="8F7FEBA9B57AE100536EC3265BBA7822">
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<mods:title id="2B8470FF28DE8E0F13B31C424D371071">Acrochordonichthys gyrinus, a new species of akysid catfish (Teleostei: Siluriformes) from Thailand.</mods:title>
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</mods:titleInfo>
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<mods:name id="8A9D64292C9E9108A72C92729CCA51FB" type="personal">
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<mods:role id="CDD2034E2137CC38258A09D1FDF9B4BD">
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<mods:roleTerm id="A8E37937840BAE6774CB4B685D2B6E23">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D16E531C621FC8F9F1946F4855CBEB13">Chavalit Vidthayanon</mods:namePart>
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</mods:name>
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<mods:name id="DECDAD32C8BA665DD4AD41D41D7C438F" type="personal">
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<mods:role id="077649B2BCD5429E9B590AABBB86CD5F">
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<mods:roleTerm id="4CBFB56DA0BB292CE0B9BED565DC6876">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1244342CD546C447066C731EE75EFD1E">Heok Hee Ng</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="D2536E74D2795B93C31AD6D10539E910">text</mods:typeOfResource>
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<mods:titleInfo id="54AAA0FE6099AA2B2435E7650B890966">
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<mods:title id="237AB3579E7A4573FE297FAF203A7A35">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="80C92C94AB8B1B8A50EDA23AFFE75F3A">
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<mods:date id="309D781F62624B2D2F179CC2EC2C951A">2003</mods:date>
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<mods:detail id="12F06CF149B53E40B229C9DC138B70FF" type="volume">
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<mods:number id="40F220F336F12893CF26CBB3625471C3">183</mods:number>
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<mods:extent id="EBFCEF1087470FAC6E99057D52B746E9" unit="page">
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<mods:start id="ADBF6AB9F332DC6980E1B0F9BE28A1D9">1</mods:start>
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<mods:end id="7DC9CAEFBEAE789C4FC570B014759B0C">7</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="4C6CCE134EB663F39EBBEAD8C72F3235">
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<mods:url id="579B370CFAB17CC9435CCC132A479594">http://www.zoobank.org/urn:lsid:zoobank.org:pub:8C2AF305-B973-4619-978B-A068163A2FBD</mods:url>
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</mods:location>
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<mods:classification id="AA4FCB8F46E5F2BDBFE28C60850469F6">journal article</mods:classification>
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<mods:identifier id="DB882A8B932C7A2211C973F590B5420E" type="Plazi-Custom">z00183p001</mods:identifier>
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<mods:identifier id="0DF8E90EAF66E0AE56D3A8ED2CB7D138" type="ZooBank">8C2AF305-B973-4619-978B-A068163A2FBD</mods:identifier>
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</mods:mods>
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<treatment id="7727F15BD9AFBA86B88D98EF8D224579" ID-DOI="http://doi.org/10.5281/zenodo.6276417" ID-GBIF-Taxon="100125055" ID-Zenodo-Dep="6276417" LSID="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" httpUri="http://treatment.plazi.org/id/7727F15BD9AFBA86B88D98EF8D224579" lastPageNumber="6" pageNumber="2">
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<subSubSection id="845F8A84D8C4FDC132210232D38A2625" type="nomenclature">
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<paragraph id="B5B6671E917C481BEDC3B9FE7C486243" pageNumber="2">
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<taxonomicName id="136DDDB9E6A7C423EE07C285C56A74BC" ID-CoL="9LRQ" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="gyrinus">Acrochordonichthys gyrinus</taxonomicName>
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<taxonomicNameLabel id="5F9258484F2261C6D93C5116A1A3BDA8" rank="species">sp. nov.</taxonomicNameLabel>
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(Figs. 1, 2a & 3a)
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</paragraph>
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</subSubSection>
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<subSubSection id="4930291672F1E2811D699D2E414DC8C8" type="synonymic_list">
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<paragraph id="095FB6326C6CA06256B4D2882010633E" pageNumber="2">
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<taxonomicName id="AB41A468FE9748C0592AEF3B082AD994" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="ischnosoma">Acrochordonichthys ischnosoma</taxonomicName>
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(non Bleeker) - Vidthayanon et al., 1998: 46.
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</paragraph>
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</subSubSection>
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<subSubSection id="7FD7EAB951A303C07EEF96CDBC60F6FB" type="nomenclature">
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<paragraph id="7EC4F7590689C19F1BC9235C398E9ED5" pageNumber="2">
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Type material.
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<materialsCitation id="94F04F30B2D3A6B6371D7DBAC0DE1985" ID-GBIF-Occurrence="1058480939" collectingDate="1995-11-29" collectionCode="NIFI" collectorName="the Inland fishery Station of Phitsanulok Province and C. Vidthayanon" country="Thailand" location="Yom River at Prompiram" specimenCode="NIFI 2645" stateProvince="Phitsanulok Province" typeStatus="Holotype">
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<typeStatus id="220A50E0157DCF4EED4085961BA36D7B">Holotype</typeStatus>
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:
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<specimenCode id="25FC044F9609E430193A12ACC9D35D89">
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<collectionCode id="DF301FB4DEAA38FD27E6D7EF0C2EE581" collectionName="NIFI">NIFI</collectionCode>
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2645
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</specimenCode>
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, 71.7 mm SL;
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<collectingCountry id="DACCAB29A29A6D463573B1C1FB014E0A">Thailand</collectingCountry>
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:
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<collectingRegion id="B7C3EBC1E18FC96DD65428271A9330C5">Phitsanulok Province</collectingRegion>
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,
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<location id="1DD27F1E395ED0492C852E061E2E05B0" LSID="urn:lsid:plazi:treatment:7727F15BD9AFBA86B88D98EF8D224579:1DD27F1E395ED0492C852E061E2E05B0" country="Thailand" name="Yom River at Prompiram" stateProvince="Phitsanulok Province">Yom River at Prompiram</location>
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;
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<collectorName id="A961D09416B2BE872A446664CAD712D2">the Inland fishery Station of Phitsanulok Province and C. Vidthayanon</collectorName>
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,
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<collectingDate id="CD4250C7D5F8F0D9231F78A92A9FD720" day="29" month="11">
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29
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<collectingDate id="EB5C18D2256269E60C743CE981A049B8" month="11" value="1995-11" year="1995">Nov 1995</collectingDate>
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</collectingDate>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="2534E1F03916F0F60E48C92CB59B864A" pageNumber="2">
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<materialsCitation id="A55D7AA8A27C8270458AA8C31939BFDC" ID-GBIF-Occurrence="1058480940" collectingDate="1995-11-29" collectionCode="NIFI, UMMZ" collectorName="the Inland fishery Station of Phitsanulok Province and C. Vidthayanon" country="Thailand" location="Yom River at Prompiram" specimenCode="NIFI 3133, UMMZ 240152" stateProvince="Phitsanulok Province" typeStatus="Paratypes">
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<typeStatus id="62C92283DBB30B10D8BBC697CBF292BC">Paratypes</typeStatus>
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:
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<specimenCode id="9F04753ED828A6E6BFF2D3821F950EC9">
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<collectionCode id="A049CE822B57DD1CE14E31AAB47812F3" collectionName="NIFI">NIFI</collectionCode>
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3133
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</specimenCode>
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, 2 ex., 69.3-69.6 mm SL;
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<specimenCode id="68884F2696A2917562C3ADE33D4BD304">
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<collectionCode id="6A46ECEF0F5DA4A25252900F1B8CA0AF" collectionName="USA, Michigan, Ann Arbor, University of Michigan, Museum of Zoology">UMMZ</collectionCode>
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240152
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</specimenCode>
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, 1 ex., 69.6 mm SL;
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<location id="195575CEC7AC61E0BF9BE9F68FE71C21" LSID="urn:lsid:plazi:treatment:7727F15BD9AFBA86B88D98EF8D224579:195575CEC7AC61E0BF9BE9F68FE71C21" country="Thailand" name="Yom River at Prompiram" stateProvince="Phitsanulok Province">data as for holotype</location>
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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="7C6035D38DF37C4805A1CB8845A150DE" type="diagnosis">
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<paragraph id="8DBFAFC63732EBD6D1F5588A2799D646" pageNumber="2">
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Diagnosis.
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<taxonomicName id="D9DEFE06B0BB371BFD9BFFA56F88EA42" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="gyrinus">Acrochordonichthys gyrinus</taxonomicName>
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can be distinguished from all congeners of the
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<taxonomicName id="9F4334EDB19827A10BA4202FF695DCEF" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
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species group by a concave (vs. straight) posterior margin of the pectoral fin.
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<taxonomicName id="98D305441FF06DCBC3143AB9379EE58C" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="gyrinus">Acrochordonichthys gyrinus</taxonomicName>
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further differs from
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<taxonomicName id="BB10A8234CE8C6B9926D489004898C1F" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
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by a smaller dorsal to adipose distance (7.4-8.6% SL vs. 9.0-10.1); from
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<taxonomicName id="F634B4461F9F9FEC30A029386B33055A" LSID-ZBK="urn:lsid:zoobank.org:act:0E029A16-B2D7-463D-BD53-66CFD3293E79" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys guttatus Ng & Ng 2001:394" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="guttatus">A. guttatus</taxonomicName>
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by a more slender body (body depth at anus 8.3-10.5% SL vs. 10.9-12.8) and a thicker humeral process (maximum width of humeral process 16.3% its length vs. 10.0-11.8); from
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<taxonomicName id="FE3845F5405431B39C62AEF2FB0B99CF" LSID-ZBK="urn:lsid:zoobank.org:act:6B6EF9DD-5FF0-4583-9191-58D7AAE23DF1" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys mahakamensis Ng & Ng 2001:400" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="mahakamensis">A. mahakamensis</taxonomicName>
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and
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<taxonomicName id="59B9226994AE4958DAE51343DC49715B" LSID-ZBK="urn:lsid:zoobank.org:act:CA305B5B-2217-4C21-99FF-F996A09899A4" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys strigosus Ng & Ng 2001:403" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="strigosus">A. strigosus</taxonomicName>
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by a straight (vs. rounded) posterior margin of the adipose fin; from
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<taxonomicName id="38C1BFB29E283C1216F8DC7D69C95BDA" LSID-ZBK="urn:lsid:zoobank.org:act:FB66E2DF-2453-47A3-940B-F21560D0AC33" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys septentrionalis Ng & Ng 2001:401" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="septentrionalis">A. septentrionalis</taxonomicName>
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by a shallower head (9.8-11.4% SL vs. 12.8-13.6).
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</paragraph>
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</subSubSection>
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<subSubSection id="D47D5A268BA1BBBF01827D563E957024" type="description">
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<paragraph id="58C880550F0F865B946D3770E8039A44" pageNumber="4">Description. Body moderately depressed. Dorsal profile rising evenly but not steeply from tip of snout to origin of dorsal fin, then sloping gently ventrally from there to end of caudal peduncle. Ventral profile flat to anal-fin base, the sloping gently dorsally from there to end of caudal peduncle. Anus and urogenital openings located at vertical through middle of adpressed pelvic fin. Head covered with small tubercles with poorly demarcated and indistinct margins, body with such tubercles arranged in 5-6 longitudinal rows on each side. Lateral line complete.</paragraph>
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<paragraph id="98A6BE7D4859293F98ED09FDAD847200" pageNumber="4">Head depressed and broad, acutely triangular when viewed laterally and with rounded snout margin when viewed from above. Gill openings narrow, extending from a point immediately ventral to base of pectoral spine to a point midway between base of pectoral spine and isthmus. Gill membranes attached to isthmus. Midline of cranium with fossa extending from base of supraoccipital to a point midway between anterior orbital margin and tip of snout; posterior half of fossa occupied by posterior fontanel, separated from slender anterior fontanel by wide epiphyseal bar. Supraoccipital spine elongate, with parallel sides and blunt posterior tip reaching interneural.</paragraph>
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<paragraph id="0EA15282565051269229B5501F12F294" pageNumber="4">Barbels in four pairs. Maxillary barbel slender, extending two thirds of distance to base of pectoral spine. Nasal barbel short, extending to anterior margin of orbit. Inner mandibular-barbel origin close to midline; barbel thicker and longer than nasal barbel and extending to level of mouth rictus. Outer mandibular barbel originates posterolateral of inner mandibular barbel, extending almost to base of pectoral spine.</paragraph>
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<paragraph id="EA02116C5ED55FF0ED551C855B3CECC4" pageNumber="4">Eye ovoid, horizontal axis longest; located entirely in dorsal half of head. Orbit with free margin.</paragraph>
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<paragraph id="29FCE76D1F154131981D8E1D3DE74C22" pageNumber="4">Mouth inferior, anterior fifth of premaxillary toothband exposed when mouth closed.. Oral teeth small and viliform, in irregular rows on all tooth-bearing surfaces. Premaxillary tooth band curved, continuous across midline, and of equal width throughout. Dentary tooth band much narrower than premaxillary tooth band at symphysis, tapering laterally. Dorsal fin located above anterior third of body; origin nearer tip of snout than caudal flexure; fin margin straight. Dorsal-fin spine long and slightly curved. Adipose fin with margin straight for entire length; posterior margin straight. Caudal fin emarginate. Procurrent rays symmetrical and extend only slightly anterior to fin base. Anal-fin base ventral to posterior half of adipose fin. Fin margin straight. Pelvic-fin origin at vertical behind posterior end of dorsal-fin base. Pelvic-fin margin slightly convex, tip of adpressed fin not reaching anal-fin origin. Pectoral fin with long, curved spine. Anterior spine margin smooth along entire length; posterior spine margin with six strong serrations along entire length. Pectoral-fin margin posteriorly concave.</paragraph>
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<paragraph id="07AB9B6054F9B67A5E86BCACE89C88A1" pageNumber="4">Morphometric and meristic data as in Table 1.</paragraph>
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<paragraph id="3006BED592AB9471B12870825590DD6A" pageNumber="6">Colour. Dorsal surface of head and body brown, with dark brown spots scattered randomly on dorsal surface of head. Abdomen, chest and ventral surface of head cream, without spots. Dorsal, pectoral, pelvic and anal fins cream with two dark brown bands, one at base of fins and another near edge. Caudal fin cream, with dark brown band near edge and dark brown patch at base of caudal peduncle. Barbels and pectoral spines cream, with dark brown spots on dorsal surfaces.</paragraph>
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</subSubSection>
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<subSubSection id="8EAAF3A34D4BA9A4B4CC3B58E63F1DF4" type="distribution">
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<paragraph id="AA8BEFF237C24826BC78B7081EB7425F" pageNumber="6">Distribution and habitat. Known only from the type locality, the Yom River at Phitsanulok, part of the upper Chao Phraya basin in Thailand.</paragraph>
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</subSubSection>
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<subSubSection id="D594E9D53AB8AAEA8ED11842FE800417" type="biology_ecology">
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<paragraph id="B01653649AB2AFEA17EC1E49A82823B9" pageNumber="6">
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<taxonomicName id="C13210581D53A00A6880A8AF48793138" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="gyrinus">Acrochordonichthys gyrinus</taxonomicName>
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inhabits the bottom of the river, which has a mixed sand/mud subtrate with a moderately strong current. Other fish species found syntopically include
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<taxonomicName id="25168E2C3EBDFDC423787C1E6E4CEF4E" LSID-ZBK="urn:lsid:zoobank.org:act:E630A39E-7B9B-4BA8-B9BD-9FFB516F84AE" family="Cyprinidae" genus="Crossocheilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Crossocheilus reticulatus Fowler 1935:128" order="Cypriniformes" pageNumber="6" phylum="Chordata" rank="species" species="reticulatus">Crossocheilus reticulatus</taxonomicName>
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,
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<taxonomicName id="922367C5C81B9399BAECFF1C4406AB28" family="Cyprinidae" genus="Henicorhynchus" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="6" phylum="Chordata" rank="species" species="lineatus">Henicorhynchus lineatus</taxonomicName>
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,
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<taxonomicName id="35FD7D99584E3B3D1D82F7D75BB4215D" LSID-ZBK="urn:lsid:zoobank.org:act:66172B23-2725-4A8B-9C41-1FBF23CE70AA" family="Cobitidae" genus="Botia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Botia helodes Sauvage 1876:99 [3]" order="Cypriniformes" pageNumber="6" phylum="Chordata" rank="species" species="helodes">Botia helodes</taxonomicName>
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,
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<taxonomicName id="2B77AB5DAFBA1696B52B93F5FECAC92A" LSID-ZBK="urn:lsid:zoobank.org:act:EB97BE42-AECC-453C-8FE2-D4E553CCB37F" family="Cobitidae" genus="Botia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Botia modesta Bleeker 1864:11" order="Cypriniformes" pageNumber="6" phylum="Chordata" rank="species" species="modesta">B. modesta</taxonomicName>
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,
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<taxonomicName id="8A65843AD03E336ED849436732929EE6" LSID-ZBK="urn:lsid:zoobank.org:act:F87A5E61-6542-496D-8041-7360B954D167" family="Cobitidae" genus="Acantopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acantopsis van Hasselt 1823:133" order="Cypriniformes" pageNumber="6" phylum="Chordata" rank="genus">Acantopsis</taxonomicName>
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spp.,
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<taxonomicName id="5258BE7D4248D2F80E3B2F43E22DC6CA" family="Akysidae" genus="Akysis" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="genus">Akysis</taxonomicName>
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sp.,
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<taxonomicName id="B13237D31014CE12C846559BDF44A0F5" LSID-ZBK="urn:lsid:zoobank.org:act:C4304186-4FD4-4672-BDF1-AC51D2C01419" family="Sisoridae" genus="Glyptothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Glyptothorax Blyth 1860:154" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="genus">Glyptothorax</taxonomicName>
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spp.,
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<taxonomicName id="66AABB0A480CCF466FE79361AA5D27AF" LSID-ZBK="urn:lsid:zoobank.org:act:ADA035C2-AB20-4B01-93DA-186A8207E51F" family="Polynemidae" genus="Polynemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Polynemus multifilis Temminck & Schlegel 1843:29 (footnote)" order="Perciformes" pageNumber="6" phylum="Chordata" rank="species" species="multifilis">Polynemus multifilis</taxonomicName>
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,
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<taxonomicName id="45AFF04D174A5B9CEB8A254833CDB0FC" family="Cynoglossidae" genus="Cynoglossus" higherTaxonomySource="CoL" kingdom="Animalia" order="Pleuronectiformes" pageNumber="6" phylum="Chordata" rank="species" species="microlepis">Cynoglossus microlepis</taxonomicName>
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, and
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<taxonomicName id="14AC20ECCD41E323FAA368AD06566C67" LSID-ZBK="urn:lsid:zoobank.org:act:48CACF21-DE4C-4B06-B179-6547FFF81E1E" family="Cynoglossidae" genus="Cynoglossus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Cynoglossus Hamilton 1822:32, 365" order="Pleuronectiformes" pageNumber="6" phylum="Chordata" rank="genus">Cynoglossus</taxonomicName>
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sp.
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</paragraph>
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</subSubSection>
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<subSubSection id="4DB7B7A7598A52450A27E5808C5F361E" type="etymology">
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<paragraph id="7F9BA67914D3DCE26273EA3860DE9840" pageNumber="6">Etymology. From the Latin gyrinus, meaning rounded or curved, in allusion to the concave posterior margin of the pectoral fin in this species.</paragraph>
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</subSubSection>
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<subSubSection id="50D11AEBE5F5FC21CF8B42C2DCD71385" type="discussion">
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<paragraph id="655329E91427D81A24CAD37C528B0816" pageNumber="6">Discussion</paragraph>
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<paragraph id="A8585C1D5762962E3CE8212DA743D7B5" pageNumber="6">
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Ng & Ng (2001) divided
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<taxonomicName id="BAF243C9F7D84537576F0F093CC31A26" LSID-ZBK="urn:lsid:zoobank.org:act:66411714-0B55-4CE6-A98E-12684F9D26E6" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys Bleeker 1857:473" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="genus">Acrochordonichthys</taxonomicName>
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into two species-groups based on distinct differences in morphology. With its slender caudal peduncle (depth of caudal peduncle 4.7-5.3% SL), narrower head (head width 18.8-20.8% SL), and 39 vertebrae,
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<taxonomicName id="8895852E0DA06069F4905BB25B60FCD9" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="gyrinus">A. gyrinus</taxonomicName>
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clearly belongs to the
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<taxonomicName id="427AFA6C317A2209905BA63E8DBD26DF" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
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|
species-group as defined by Ng & Ng (2001). Besides
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|
<taxonomicName id="42EBDBF02FBC1EDCDE5C04459F22BA1A" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="gyrinus">A. gyrinus</taxonomicName>
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|
, there are five species of
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<taxonomicName id="9972165E8E60E35C669E71F22D864AB7" LSID-ZBK="urn:lsid:zoobank.org:act:66411714-0B55-4CE6-A98E-12684F9D26E6" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys Bleeker 1857:473" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="genus">Acrochordonichthys</taxonomicName>
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|
belonging to the
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<taxonomicName id="40EF3705F73C8BB5A50CA511002FE5ED" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
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|
species group, viz.
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|
<taxonomicName id="408997D3D7588F830C400C2D940080FA" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma Bleeker</taxonomicName>
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|
, 1858,
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|
<taxonomicName id="3891B3D2C4683A548CAA02A88E66696A" LSID-ZBK="urn:lsid:zoobank.org:act:0E029A16-B2D7-463D-BD53-66CFD3293E79" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys guttatus Ng & Ng 2001:394" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="guttatus">A. guttatus Ng & Ng</taxonomicName>
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|
, 2001,
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|
<taxonomicName id="1C38CD1E797189F0812482D907E88F9E" LSID-ZBK="urn:lsid:zoobank.org:act:6B6EF9DD-5FF0-4583-9191-58D7AAE23DF1" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys mahakamensis Ng & Ng 2001:400" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="mahakamensis">A. mahakamensis Ng & Ng</taxonomicName>
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|
, 2001,
|
|
<taxonomicName id="193B4D717B876B6021E8DF35DF5FC498" LSID-ZBK="urn:lsid:zoobank.org:act:FB66E2DF-2453-47A3-940B-F21560D0AC33" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys septentrionalis Ng & Ng 2001:401" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="septentrionalis">A. septentrionalis Ng & Ng</taxonomicName>
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|
, 2001, and
|
|
<taxonomicName id="EE638A20B7BC8FC2DEE84B7186D24411" LSID-ZBK="urn:lsid:zoobank.org:act:CA305B5B-2217-4C21-99FF-F996A09899A4" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys strigosus Ng & Ng 2001:403" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="strigosus">A. strigosus Ng & Ng</taxonomicName>
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|
, 2001.
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</paragraph>
|
|
<paragraph id="31F4D4A6AB2451D742893EB1FAEE23C5" pageNumber="6">
|
|
The shape of the posterior margin of the pectoral fin is a key character used to diagnose
|
|
<taxonomicName id="48FB00B7E60D655A3DC9F7B6D6308111" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="gyrinus">A. gyrinus</taxonomicName>
|
|
from congeners in the
|
|
<taxonomicName id="1081C8CBFB4E491FFEBDAC11B0A485D1" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
|
|
species group. This is another character useful for diagnosing
|
|
<taxonomicName id="79A2BA382CC0B4EAB2832B5D3D549D7B" LSID-ZBK="urn:lsid:zoobank.org:act:66411714-0B55-4CE6-A98E-12684F9D26E6" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys Bleeker 1857:473" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="genus">Acrochordonichthys</taxonomicName>
|
|
species in addition to those discussed by Ng & Ng (2001), as there is no variation in the shape of the fin margin in all of the material we have examined.
|
|
</paragraph>
|
|
<paragraph id="998991C765DB7C1BD386FF79D6517389" pageNumber="6">
|
|
The record of
|
|
<taxonomicName id="EE4C31D855769E0AE53552C8686D941C" LSID-ZBK="urn:lsid:zoobank.org:act:3E0C89B8-5AD3-4EED-8FFD-F8777E716573" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys ischnosoma Bleeker 1858:232" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="ischnosoma">A. ischnosoma</taxonomicName>
|
|
from the Chao Phraya River drainage by Vidthayanon et al. (1998) refers to
|
|
<taxonomicName id="D9B49AFDB7AB7D3CBE182572EF87C7EF" LSID-ZBK="urn:lsid:zoobank.org:act:38E4CD50-F460-4279-B810-D8CACE89E87C" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys gyrinus Vidthayanon & Ng 2003:2" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="gyrinus">A. gyrinus</taxonomicName>
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|
, and not
|
|
<taxonomicName id="92DF902520DD7648C1439AB0F48F8483" LSID-ZBK="urn:lsid:zoobank.org:act:FB66E2DF-2453-47A3-940B-F21560D0AC33" family="Akysidae" genus="Acrochordonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acrochordonichthys septentrionalis Ng & Ng 2001:401" order="Siluriformes" pageNumber="6" phylum="Chordata" rank="species" species="septentrionalis">A. septentrionalis</taxonomicName>
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|
as postulated by Ng & Ng (2001).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |