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<document id="5DE861CADCACCDD7C18A41F06108924F" ID-CLB-Dataset="35854" ID-DOI="http://dx.doi.org/10.3897/zookeys.634.9917" ID-GBIF-Dataset="447a3670-5a98-466e-9738-4321606605d2" ID-PMC="PMC5126534" ID-Pensoft-Pub="1313-2970-634-125" ID-PubMed="27917053" ID-ZooBank="6440E56A228F4DD6836A94DEA59EA2DF" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-634-125" ModsDocOrigin="ZooKeys 634" ModsDocTitle="Description of a new species of Parotocinclus (Siluriformes, Hypoptopomatinae) from the rio Tapajós basin" checkinTime="1479793267364" checkinUser="pensoft" docAuthor="Roxo, Fabio F., Silva, Gabriel S. C. &amp; Oliveira, Claudio" docDate="2016" docId="F5A3AE77A8D0EE8832593DD8F61DE5EF" docLanguage="en" docName="ZooKeys 634: 125-136" docOrigin="ZooKeys 634" docSource="http://dx.doi.org/10.3897/zookeys.634.9917" docTitle="Parotocinclus dani Roxo, Silva &amp; Oliveira, 2016, sp. n." docType="treatment" docUuid="637C26FF-4E1D-4DA6-A810-F41FCEB1C976" docUuidSource="ZooBank" docVersion="7" lastPageNumber="131" masterDocId="FFA3FFD75514FF91F544DA67F01CFFE4" masterDocTitle="Description of a new species of Parotocinclus (Siluriformes, Hypoptopomatinae) from the rio Tapajos basin" masterLastPageNumber="136" masterPageNumber="125" pageNumber="126" updateTime="1701374155347" updateUser="ExternalLinkService">
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<mods:title id="D8818049948FCBFF103E5D8B777241D5">Description of a new species of Parotocinclus (Siluriformes, Hypoptopomatinae) from the rio Tapajos basin</mods:title>
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<mods:namePart id="403411D511580079D35334AEDCDD6B74">Roxo, Fabio F.</mods:namePart>
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<mods:namePart id="CCA73F2A8C445A56922E8FD35E3ED7CD">Silva, Gabriel S. C.</mods:namePart>
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<mods:namePart id="DA454CEC8E040F171E8080B7DB2B8482">Oliveira, Claudio</mods:namePart>
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<treatment id="F5A3AE77A8D0EE8832593DD8F61DE5EF" ID-GBIF-Taxon="127858874" LSID="urn:lsid:zoobank.org:act:637C26FF-4E1D-4DA6-A810-F41FCEB1C976" httpUri="http://treatment.plazi.org/id/F5A3AE77A8D0EE8832593DD8F61DE5EF" lastPageId="6" lastPageNumber="131" pageId="1" pageNumber="126">
<subSubSection id="97F32F4A86D27768695C98F26605C4FB" pageId="1" pageNumber="126" type="multiple">
<paragraph id="D48C6418EAAD4F81420E7730B4DFF69A" pageId="1" pageNumber="126">Taxon classification Animalia Siluriformes Loricariidae</paragraph>
</subSubSection>
<subSubSection id="8054607413C22EFD978563E9639C659D" pageId="1" pageNumber="126" type="nomenclature">
<paragraph id="21E090E6B6C01B4CBC002C82072441EF" pageId="1" pageNumber="126">
<taxonomicName id="7F784F7141E0C96A81AC0F3FB8F617C2" LSID="http://zoobank.org/637C26FF-4E1D-4DA6-A810-F41FCEB1C976" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
<taxonomicNameLabel id="1559507599009FBAC01440A0C8D7A792" pageId="1" pageNumber="126">sp. n.</taxonomicNameLabel>
Fig. 1, Table 1
</paragraph>
</subSubSection>
<subSubSection id="EAA12A4B1F57D5F5E0B4A155785632ED" pageId="1" pageNumber="126" type="materials_examined">
<paragraph id="B75A913C390F5B40130DE2718EA44AFD" pageId="1" pageNumber="126">Holotype.</paragraph>
<paragraph id="3C19E3CF12023C03022B2F27547EA2F1" pageId="1" pageNumber="126">
MZUSP 120737, 27.3 mm SL, municipality of Peixoto de Azevedo, Mato Grosso State, small tributary of rio Peixoto de Azevedo, drainage of rio Teles Pires, rio
<normalizedToken id="C46F4E9C607065B8586E28EE5C0FA26C" originalValue="Tapajós">Tapajos</normalizedToken>
basin,
<geoCoordinate id="2575C1024B4F7C1FC61F754FE80FDF4F" direction="south" orientation="latitude" precision="15" value="-10.386111">10°23'10&quot;S</geoCoordinate>
,
<geoCoordinate id="1A9C0971DD438EDC5CE9E0BD7B86F61F" direction="west" orientation="longitude" precision="15" value="-54.30611">54°18'22&quot;W</geoCoordinate>
, 18 August 2007, coll. JLO Birindelli, AL Netto-Ferreira &amp; LM Souza.
</paragraph>
</subSubSection>
<subSubSection id="3BCAA725AE55F4B883E17EB2D50344EF" pageId="1" pageNumber="126" type="materials_examined">
<paragraph id="CD5C2F7C9850026545ED492B817ACE07" pageId="1" pageNumber="126">Paratypes.</paragraph>
<paragraph id="A89F416709520108AD04CD633BE35C80" pageId="1" pageNumber="126">
All from Brazil, Mato Grosso State, rio
<normalizedToken id="EC97FE9AE9798A895F9342FAFBB08DB1" originalValue="Tapajós">Tapajos</normalizedToken>
basin. MZUSP 96785, 126, 17.8-26.7 mm SL, collected with holotype. LBP 22089, 1, 26.9 mm SL, 1 c&amp;s, 27.3 mm SL, collected with holotype. MZUSP 96194, 18, 16.7-24.7 mm SL, municipality of
<normalizedToken id="7DBD8F45A1431CE6554E7475E646EF21" originalValue="Paranaíta">Paranaita</normalizedToken>
, rio Teles Pires,
<geoCoordinate id="4664A256738D464A9481BA1E7799394E" direction="south" orientation="latitude" precision="15" value="-9.458611">09°27'31&quot;S</geoCoordinate>
,
<geoCoordinate id="62CC2CA2CBF318424C7C025F5359F54C" direction="west" orientation="longitude" precision="15" value="-56.488613">56°29'19&quot;W</geoCoordinate>
, 30 September 2007, coll. LM Souza, AL Netto-Ferreira. MZUSP 96225, 5, 17.3-24.1 mm SL, municipality of
<normalizedToken id="108549369C552AE8B0B00B071118DB5D" originalValue="Paranaíta">Paranaita</normalizedToken>
, rio Teles Pires,
<geoCoordinate id="871EFFF197824E360F2EBA196927FA3B" direction="south" orientation="latitude" precision="15" value="-9.428889">09°25'44&quot;S</geoCoordinate>
,
<geoCoordinate id="8E9B559BF63A5ABFDC8D6C6AA03543E5" direction="west" orientation="longitude" precision="15" value="-56.54333">56°32'36&quot;W</geoCoordinate>
, 29 September 2007, coll. LM Souza, AL Netto-Ferreira.
</paragraph>
</subSubSection>
<subSubSection id="F5871E081525E3B1B4C6964972B10182" pageId="1" pageNumber="126" type="diagnosis">
<paragraph id="8D9F8826002776FDBC724AB0413EA04B" pageId="1" pageNumber="126">Diagnosis.</paragraph>
<paragraph id="0A9ABE39D46D65C4BAA95454A622454F" pageId="1" pageNumber="126">
The new species
<taxonomicName id="4440B275D71726B24160EF3BCA38DE65" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
can be distinguished from all congeners, except
<taxonomicName id="0F595EBC29A1DB5DDD67EE8882614A48" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus amazonensis" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="amazonensis">Parotocinclus amazonensis</taxonomicName>
,
<taxonomicName id="7EF9F4300D96FAF3DB77555541BDCD60" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus bidentatus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="bidentatus">Parotocinclus bidentatus</taxonomicName>
,
<taxonomicName id="A6F9F2F76F82399268DB876AAA4F5413" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus britskii" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="britskii">Parotocinclus britskii</taxonomicName>
,
<taxonomicName id="9883574DE5E63022D23DD52EADB22376" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus eppleyi" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="eppleyi">Parotocinclus eppleyi</taxonomicName>
,
<taxonomicName id="2E56B575BF3F8C2EC177B6DDD7951E4F" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus longirostris" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="longirostris">Parotocinclus longirostris</taxonomicName>
,
<taxonomicName id="BA93A368F6E734B67B68D7EF0585297E" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus polyochrus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="polyochrus">Parotocinclus polyochrus</taxonomicName>
, and
<taxonomicName id="FD1FAF30E7C792F464F111B3430FBEE1" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus variola" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="variola">Parotocinclus variola</taxonomicName>
by one character proposed by
<bibRefCitation id="099F60F8D3DE6E1555EFB420C135FDAC" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="27 - 33" title="Parotocinclushalbothi, a new species of small armored catfish (Loricariidae: Hypoptopomatinae), from the Trombetas and Marowijne River basins, in Brazil and Suriname." url="10.1590/S1679–62252014000100002" volume="12" year="2014">Lehmann et al. (2014</bibRefCitation>
,
<bibRefCitation id="777E5B6F7DA4592E52AD78A63F7FD251" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="47 - 52" title="A new species of the armored catfish Parotocinclus (Loricariidae: Hypoptopomatinae), from the Amazon basin in Colombia." url="10.1590/1982–0224–20140113" volume="13" year="2015">2015</bibRefCitation>
): the presence of a triangular dark blotch at the anterior base of the dorsal fin, Fig. 2a (vs. absence Fig. 2b). The new species can be distinguished from
<taxonomicName id="F2B1E5E11D51A9ABAFB5213763BEDDA4" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus amazonensis" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="amazonensis">Parotocinclus amazonensis</taxonomicName>
,
<taxonomicName id="A9E3C3567F5BEE114CFC08A6DBC62197" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus britskii" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="britskii">Parotocinclus britskii</taxonomicName>
,
<taxonomicName id="8910F084DA0A2D5480B16D2C5B7A7B13" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus collinsae" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="collinsae">Parotocinclus collinsae</taxonomicName>
,
<taxonomicName id="202661213ED711DC78823ED3ABED124B" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus eppleyi" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="eppleyi">Parotocinclus eppleyi</taxonomicName>
,
<taxonomicName id="4D1A69A5E29F5B1AADCCBD31D12136E4" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus halbothi" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="halbothi">Parotocinclus halbothi</taxonomicName>
,
<taxonomicName id="25775456C685FFF593C736BC7254528C" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus longirostris" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="longirostris">Parotocinclus longirostris</taxonomicName>
,
<taxonomicName id="53892605F9A9483917B5BA42A1A93CFB" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus polyochrus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="polyochrus">Parotocinclus polyochrus</taxonomicName>
, and
<taxonomicName id="CE18518ACAB08BEFBA2E59A03A1D8074" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus variola" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="variola">Parotocinclus variola</taxonomicName>
by the absence of an adipose fin but presence of one small platelet at typical adipose-fin region, Fig. 3 (vs. presence of a poorly developed to well-developed adipose fin); from
<taxonomicName id="11B958E9802787AF487EDCAA4AD85DAC" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus bahiensis" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="bahiensis">Parotocinclus bahiensis</taxonomicName>
,
<taxonomicName id="42AD9B336EB474E47D18034546CB9E34" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus cearensis" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="cearensis">Parotocinclus cearensis</taxonomicName>
,
<taxonomicName id="DE61CE11841D55070E19B5B4EFA5844A" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus cesarpintoi" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="cesarpintoi">Parotocinclus cesarpintoi</taxonomicName>
,
<taxonomicName id="E374E2139E221EC8F0E5C223331F6725" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus jumbo" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="jumbo">Parotocinclus jumbo</taxonomicName>
,
<taxonomicName id="975750A04431BC2FD9D506557194CAB4" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus prata" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="prata">Parotocinclus prata</taxonomicName>
,
<taxonomicName id="508612AA9AE008B23EF62497E4F701D0" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus robustus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="robustus">Parotocinclus robustus</taxonomicName>
, and
<taxonomicName id="EC48BF0CA84B3E3C64E022DA1F13A9E3" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus spilosoma" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="spilosoma">Parotocinclus spilosoma</taxonomicName>
by the abdomen completely covered by dermal plates (vs. abdomen totally exposed or with few small and dispersed platelets); from
<taxonomicName id="D7148FA0403F802C3CA3930CD62A8F02" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus cearensis" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="cearensis">Parotocinclus cearensis</taxonomicName>
,
<taxonomicName id="CE7A4C0B2F33734119C0239976DCC77B" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus cesarpintoi" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="cesarpintoi">Parotocinclus cesarpintoi</taxonomicName>
,
<taxonomicName id="C3A959377B211182873FB72D326B15D8" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus jumbo" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="jumbo">Parotocinclus jumbo</taxonomicName>
,
<taxonomicName id="85886C84D12B2917C2D4629D804EE055" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus prata" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="prata">Parotocinclus prata</taxonomicName>
,
<taxonomicName id="1960A1B377153510A516F0104A1F4CCA" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus robustus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="robustus">Parotocinclus robustus</taxonomicName>
,
<taxonomicName id="E920F27957937F2DFDD1C65438D0500D" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus spilosoma" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="spilosoma">Parotocinclus spilosoma</taxonomicName>
, and
<taxonomicName id="2E2B4ED00070B98DAB655367DA43BFBE" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus spilurus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="spilurus">Parotocinclus spilurus</taxonomicName>
by having the pectoral girdle totally exposed (vs. the pectoral girdle medially covered by skin and exposed only laterally); from
<taxonomicName id="3FC5D4F7A9827F57F43F593D962AB594" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus bidentatus" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="bidentatus">Parotocinclus bidentatus</taxonomicName>
by the presence of a single series of bicuspid teeth (vs. the presence of a series of unicuspid teeth behind the series of bicuspid teeth of the dentary and premaxilla), and by the higher number of bicuspid premaxillary teeth 15-25, mode 21 (vs. 6-12, mode 9) and bicuspid dentary teeth 15-22, mode 21 (vs. 4-10, mode 7).
</paragraph>
<caption id="AC0BE8299B746B5BE960BBABA944D313" pageId="1" pageNumber="126">
<paragraph id="A045F9361F2164D0D55F9312D1783316" pageId="1" pageNumber="126">
Figure 1.
<taxonomicName id="0977497E63FADC2F61D910DB8872904B" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
, MZUSP 120737, 27.3 mm SL, holotype from small tributary of rio Peixoto de Azevedo, rio
<normalizedToken id="EA83D1E907302250585748C8351372CA" originalValue="Tapajós">Tapajos</normalizedToken>
basin, municipality of Peixoto de Azevedo, Mato Grosso State, Brazil.
</paragraph>
</caption>
<caption id="79CC7F23228F28924E92F1E24CA7CFF9" pageId="1" pageNumber="126">
<paragraph id="774D72AAD06478D8182A634CF8E123AF" pageId="1" pageNumber="126">
Figure 2. Photographs showing a the presence of a triangular dark blotch at the anterior base of the dorsal fin in
<taxonomicName id="378D0CFA0F78C98E97F5EA1C2E1C0CB0" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
(arrow), holotype, MZUSP 120737, 27.3 mm SL; and b absence of the triangular dark blotch in
<taxonomicName id="644BB4E17B5C397B1E7F6076B17D52C2" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus prata" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="prata">Parotocinclus prata</taxonomicName>
, holotype, MZUSP 68359, 38.2 mm SL. Photo: CH Zawadzki.
</paragraph>
</caption>
<caption id="6DA2354F1486F5D8D85339EA02FFD1C1" pageId="1" pageNumber="126">
<paragraph id="36E5AABEA5AA039079902EAD59239366" pageId="1" pageNumber="126">
Figure 3. Picture showing (arrow) the single dorsal plate in the caudal peduncle at typical adipose-fin region of
<taxonomicName id="86E0CC573E32CF58BB59906A30AD7BE5" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="1" pageNumber="126" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
, LBP 22089, 27.3 mm SL.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="533A80F878F2CEFC0167B84507AFD64E" lastPageId="5" lastPageNumber="130" pageId="1" pageNumber="126" type="description">
<paragraph id="392776D2AD895FB8B342530CA4993B99" pageId="1" pageNumber="126">Description.</paragraph>
<paragraph id="D7D68F89E8774AA5A9A58F64F55381B4" lastPageId="2" lastPageNumber="127" pageId="1" pageNumber="126">
Morphometric and meristic data shown in Table 1. Small size
<taxonomicName id="9F17D9E2293666147CBAAF3B0DE207E9" family="Loricariidae" lsidName="" pageId="1" pageNumber="126" rank="family">Loricariidae</taxonomicName>
, holotype 27.3 mm SL; paratypes 20.7-27.3 mm SL. Dorsal profile in lateral view straight from snout tip to anterior portion of parieto-supraoccipital, slightly convex to dorsal-fin origin. Dorsal-fin base straight, slightly concave and descending from posterior end of dorsal-fin base to caudal peduncle. Ventral profile in lateral view slightly concave from snout tip to anal-fin origin, slightly convex from anal-fin base to caudal-fin origin. In dorsal view body progressively narrowing posteriorly from cleithrum to caudal peduncle and anteriorly to snout tip. Greatest body depth at dorsal-fin origin. Cross-section of body between pectoral and pelvic fins dorsally
<pageBreakToken id="45AF87FC7B85E66BEC418E8493C5CF54" pageId="2" pageNumber="127" start="start">rounded</pageBreakToken>
and ventrally flat; cross-section of caudal peduncle ellipsoid, round laterally, flat dorsally and ventrally.
</paragraph>
<caption id="3F5B1DD368068906BEAC764E55CDA9C5" pageId="2" pageNumber="127">
<paragraph id="EE3A2E0AA4463AF835C4E4EB59BD0343" pageId="2" pageNumber="127">
Table 1. Morphometric and meristic data for
<taxonomicName id="C54BBF591CCDC1105F91CE694D86976F" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="2" pageNumber="127" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
(N = 18).
</paragraph>
</caption>
<paragraph id="BB6DD7D8D723F6018AF756CDF13123BE" pageId="2" pageNumber="127">
<table id="FAC750AAE4303CE551C460E308DE4E7B" pageId="2" pageNumber="127">
<tr id="CE9B56A555BCE3EA7E95F4885932A2A1" pageId="2" pageNumber="127">
<th id="37FE05B706EBF85625B1FB848B7879B9" colspan="1" pageId="2" pageNumber="127" rowspan="1">Holotype</th>
<th id="ABFA0B2B5CB042E9EAF60118FDB6A7F6" colspan="1" pageId="2" pageNumber="127" rowspan="1">Range</th>
<th id="7D32CFCB054CF7C5C1680F3997DBB9D2" colspan="1" pageId="2" pageNumber="127" rowspan="1">Mean</th>
<th id="4D5CA2C489D5A48D1F22A5208A64C756" colspan="1" pageId="2" pageNumber="127" rowspan="1">SD</th>
</tr>
<tr id="C15A8AC009840833DE2C24AD080322E3" pageId="2" pageNumber="127">
<td id="AC07CED2A2F9CBE4367E9E22F7BD7780" colspan="1" pageId="2" pageNumber="127" rowspan="1">SL</td>
</tr>
<tr id="C4B5D436F06D8A08863D3729A47763C5" pageId="2" pageNumber="127">
<td id="3E622DE83BDBD051DD28AA36AEF8DE54" colspan="5" pageId="2" pageNumber="127" rowspan="1">Percent of SL</td>
</tr>
<tr id="D4A1FB0D502309E2803A9B36C765F0ED" pageId="2" pageNumber="127">
<td id="2336F12B0C137E8BDA7FBE9CF326970C" colspan="5" pageId="2" pageNumber="127" rowspan="1">Percent of HL</td>
</tr>
<tr id="5D68AF401C74D41290230FB6644BCD27" pageId="2" pageNumber="127">
<td id="BA0136A381FDBE97A8AC935D275C1D74" colspan="5" pageId="2" pageNumber="127" rowspan="1">Meristics</td>
</tr>
</table>
</paragraph>
<paragraph id="290AA6BFC845CD0D056D63FD2CA3374E" lastPageId="3" lastPageNumber="128" pageId="2" pageNumber="127">
Top of head in parieto-supraoccipital region and between orbits convex; superior margin of orbits elevated. Eyes moderately small (9.7-17.0% of HL), and dorsolaterally positioned. Snout pointed and rounded in dorsal view. Nostril small. Body and almost all head plates covered with minute, uniformly sized and evenly distributed odontodes. Absence of tufts of hypertrophied odontodes at posterior medial portion of parieto- supraoccipital or crests on head. Dorsal and ventral anterior margin of snout covered with larger odontodes compared to rest of head. Lips moderately developed and rounded; lower lip far from reaching pectoral girdle. Papillae uniformly distributed on base of dentary and premaxilla, getting smaller distally. Lower lip larger than
<pageBreakToken id="2837989D12A17EC0992D03E271E45E26" pageId="3" pageNumber="128" start="start">upper</pageBreakToken>
. Maxillary barbel present and poorly developed. Teeth slender and bicuspid; medial cusp larger than lateral cusp. Left premaxillary teeth 15-25 (mode 21). Left dentary teeth 15-22 (mode 21).
</paragraph>
<paragraph id="CB06B74863FE0EF2160332ED518DBD09" lastPageId="5" lastPageNumber="130" pageId="3" pageNumber="128">
Dorsal fin ii,7; its origin slightly posterior to pelvic-fin origin; when depressed reaching beyond vertical line through anal-fin insertion. Tip of branched dorsal-fin rays reaching vertical line slightly posterior of anal-fin origin. Dorsal-fin spinelet V-shaped, laterally extended; dorsal-fin locking mechanism functional. Pectoral fin i,6; tip of longest pectoral-fin ray almost reaching vertical line through center of horizontal pelvic-fin length when depressed. Pectoral axial slit present between pectoral-fin base
<pageBreakToken id="4B957200C6A2A3910660C48C3C5EEBC2" pageId="4" pageNumber="129" start="start">and</pageBreakToken>
lateral process of cleithrum. Lateral margin of pectoral spine possessing odontodes increasing in size posteriorly. Pelvic fin i,5; tip not exceeding anal-fin origin when depressed. Males with flap along dorsal margin of unbranched pelvic-fin ray, absent
<pageBreakToken id="B926E54238F3CBFA8656331062783283" pageId="5" pageNumber="130" start="start">in</pageBreakToken>
females. Anal fin i,5; tip of unbranched anal-fin ray reaching 7th to 9th plate from anal-fin origin. Adipose-fin absent but with small unpaired plates in typical adipose fin region. Caudal fin i,14,i; distal margin forked. Lateral plate series formed by 24-26 (mode 25) plates. Lateral line with one or two unperforated plates in line of pores along mid length of body, terminating in two plates preceding last lateral plate. Abdomen completely covered by dermal plates. Cleithrum partly enclosed by ventral lamina of coracoids.
</paragraph>
</subSubSection>
<subSubSection id="996257A884227CD2120BED5210F0592C" pageId="5" pageNumber="130" type="color in alcohol">
<paragraph id="9144E79661D1F5F61E659BAFC8CA0F23" pageId="5" pageNumber="130">Color in alcohol.</paragraph>
<paragraph id="6AC046C395AF3F7D70E7D957546E38C0" pageId="5" pageNumber="130">Background color dark yellowish-brown in dorsal portion of body and yellowish tan in ventral portion. Dorsal surface of head dark brownish, except for striking V-shaped yellowish tan mark from rostral plate passing through nares to orbital margins. Irregular and conspicuous dark brownish longitudinal stripe along lateral line. Four dark brownish bars crossing dorsum, reaching longitudinal stripe on sides of trunk: first below dorsal-fin origin, second at end of dorsal-fin base, third at adipose fin region, and fourth more inconspicuous at end of caudal peduncle. Dorsal, pectoral, and pelvic fins with dark chromatophores, forming irregular sets of bands: five on dorsal and pectoral fins, three to four on pelvic-fin, and four on anal fin. Dorsal-fin with triangular dark blotch at anterior base. Unpaired plates in typical adipose-fin region yellowish tan. Caudal-fin hyaline, except for one black spot at its origin extending to ventral lobe, and two almost inconspicuous bands. Entire body covered with irregularly distributed chromatophores.</paragraph>
</subSubSection>
<subSubSection id="0C1BA08BE0042ACA6BC51EF0608FAF4B" pageId="5" pageNumber="130" type="sexual dimorphism">
<paragraph id="35F40825EE2F04BCC32ADB8A5D864092" pageId="5" pageNumber="130">Sexual dimorphism.</paragraph>
<paragraph id="1D0B0B9DAE2165E750B0F8EDAE1FFB0F" pageId="5" pageNumber="130">Adult males can be distinguished from females by presenting two characters: (1) presence of a papilla at urogenital opening (vs. papilla absent in females), and (2) unbranched pelvic-fin ray supporting a dermal flap on proximal dorsal surface (vs. dermal flap absent in females).</paragraph>
</subSubSection>
<subSubSection id="34AE48AAA9C4CDE4FA12483768E413A5" pageId="5" pageNumber="130" type="distribution">
<paragraph id="BEE720584F55F6C0E00A93CF30CAF1EF" pageId="5" pageNumber="130">Distribution.</paragraph>
<paragraph id="F755E6874BBC0D6A4A6C53AAEA643024" pageId="5" pageNumber="130">
The new species is known from three drainages of rio
<normalizedToken id="51B5DE161647346DA6354145EBE3ECDC" originalValue="Tapajós">Tapajos</normalizedToken>
in Mato Grosso State, Brazil (Fig. 4). Two from the rio Teles Pires, in the municipality of
<normalizedToken id="7601D59A03C9069FDE946835A8113C9B" originalValue="Paranaíta">Paranaita</normalizedToken>
and from a small tributary of rio Peixoto de Azevedo, in the municipality of Peixoto de Azevedo.
</paragraph>
<caption id="EDBD2A365BCB3C4B066D40E9527F9B90" pageId="5" pageNumber="130">
<paragraph id="654FF3AC397A34E12C2245C4BB36829E" pageId="5" pageNumber="130">
Figure 4. Map of the distribution of
<taxonomicName id="4D9F15718A14A577803386D0747ADD78" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
. Star = holotype locality, affluent of the rio Peixoto de Azevedo. Triangles = paratype localities at the rio Teles Pies. All are drainages of the rio
<normalizedToken id="E22974C4CA461970642497202C26EB8D" originalValue="Tajajós">Tajajos</normalizedToken>
basin, Mato Grosso State, Brazil.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="909CA73A84A774572B06E7F8CA419A0B" pageId="5" pageNumber="130" type="etymology">
<paragraph id="1CB1E4E661F7D42C4D4DE94829A75AF9" pageId="5" pageNumber="130">Etymology.</paragraph>
<paragraph id="C85A6F40BF76AED63968002C6B049317" pageId="5" pageNumber="130">
The specific name &quot;
<taxonomicName id="6F3BDF193B7B91BD0470023C5BC2C08A" lsidName="dani" pageId="5" pageNumber="130" rank="species" species="dani">dani</taxonomicName>
&quot; is in honor of Daniela Fernandes Roxo, FF
<normalizedToken id="08779816294C6D8F898EB4EAF591D51F" originalValue="Roxo’s">Roxo's</normalizedToken>
sister.
</paragraph>
</subSubSection>
<subSubSection id="C21E3351147E46F5DDA75BFBB04B00C8" lastPageId="6" lastPageNumber="131" pageId="5" pageNumber="130" type="discussion">
<paragraph id="90CEF4BB8594D54B4732D294DF159FF8" pageId="5" pageNumber="130">Discussion.</paragraph>
<paragraph id="6E5FF167DFD528CA95A179EE11EA2B81" lastPageId="6" lastPageNumber="131" pageId="5" pageNumber="130">
<bibRefCitation id="76C1BA988A6658CAA6FC6CA3CC60A656" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="27 - 33" title="Parotocinclushalbothi, a new species of small armored catfish (Loricariidae: Hypoptopomatinae), from the Trombetas and Marowijne River basins, in Brazil and Suriname." url="10.1590/S1679–62252014000100002" volume="12" year="2014">Lehmann et al. (2014</bibRefCitation>
,
<bibRefCitation id="8EC3B01528382809CE0C22600F91F9BF" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="47 - 52" title="A new species of the armored catfish Parotocinclus (Loricariidae: Hypoptopomatinae), from the Amazon basin in Colombia." url="10.1590/1982–0224–20140113" volume="13" year="2015">2015</bibRefCitation>
) proposed that the species
<taxonomicName id="623054E0B997766CB9BBB1707E89167E" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus amazonensis" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="amazonensis">Parotocinclus amazonensis</taxonomicName>
,
<taxonomicName id="5792209E89FD86F9730855E07B1B2C81" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus britskii" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="britskii">Parotocinclus britskii</taxonomicName>
,
<taxonomicName id="A6F34F3F29D1C1F23EA31D21595E2B3C" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus collinsae" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="collinsae">Parotocinclus collinsae</taxonomicName>
,
<taxonomicName id="88344079B5ECBFCDCD019DF148607844" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus eppleyi" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="eppleyi">Parotocinclus eppleyi</taxonomicName>
,
<taxonomicName id="E28EE4F53367A03D1068B00CD223F168" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus halbothi" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="halbothi">Parotocinclus halbothi</taxonomicName>
,
<taxonomicName id="2C0B15DF28A51369396F3A72948F5A94" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus longirostris" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="longirostris">Parotocinclus longirostris</taxonomicName>
,
<taxonomicName id="3F90D72D822AC517689B0EF26CBAF810" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus polyochrus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="polyochrus">Parotocinclus polyochrus</taxonomicName>
, and
<taxonomicName id="507C83995A4E18CF1C0FB1DD8B8A2447" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus variola" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="variola">Parotocinclus variola</taxonomicName>
should be part of a new genus of
<taxonomicName id="62E0214C7ABD65EEA04A2CF52AA0EFF5" lsidName="" pageId="5" pageNumber="130" rank="tribe" tribe="Otothyrini">Otothyrini</taxonomicName>
based on the following synapomorphies (1) presence of a triangular dark blotch at the anterior base of the dorsal fin, (2) canal cheek plate on the ventral surface of the head elongated posteriorly and contacting the cleithrum, and (3) head and snout elongated and with a Y-shaped, white or cream colored mark dorsally. The first character is apparently conserved and may help to diagnose a new genus within
<taxonomicName id="CC94B14FF8469A7A5ED8790AA94F481E" lsidName="" pageId="5" pageNumber="130" rank="tribe" tribe="Otothyrini">Otothyrini</taxonomicName>
. However, it is also present in
<taxonomicName id="B86D02755D26F5827BE061FE4FA925DD" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus bidentatus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="bidentatus">Parotocinclus bidentatus</taxonomicName>
(see the holotype picture in
<bibRefCitation id="D5D4069529B6CBCA10A200CBA3D76BE0" author="Gauger, MFW" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="509 - 518" title="Two new species of Hypoptopomatinae from the rio Paraiba do Sul basin, with comments on the monophyly of Parotocinclus and the Otothyrini (Siluriformes: Loricariidae)." url="10.1590/S1679–62252005000400008" volume="3" year="2005">Gauger and Buckup 2005</bibRefCitation>
, Fig. 5). The second character is absent in
<taxonomicName id="C283F090DF581C154C4D5CD2BAEAC45E" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
and the third character is present not only in
<taxonomicName id="C965AD5AF200D673DC1E89554E89787E" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
and species of this possible new genus proposed by
<bibRefCitation id="10D2398D39ED04C2676A1C364582779C" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="27 - 33" title="Parotocinclushalbothi, a new species of small armored catfish (Loricariidae: Hypoptopomatinae), from the Trombetas and Marowijne River basins, in Brazil and Suriname." url="10.1590/S1679–62252014000100002" volume="12" year="2014">Lehmann et al. (2014</bibRefCitation>
,
<bibRefCitation id="E3FA1895F16900C49FF8C74948A2E878" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="47 - 52" title="A new species of the armored catfish Parotocinclus (Loricariidae: Hypoptopomatinae), from the Amazon basin in Colombia." url="10.1590/1982–0224–20140113" volume="13" year="2015">2015</bibRefCitation>
), but also in species of
<taxonomicName id="EC80CBA3634DF17F7195D39B73B70F79" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="genus">Hisonotus</taxonomicName>
- e.g.,
<taxonomicName id="8820D09B5670FFCB1CEF1996B065E755" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus acuen" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="acuen">Hisonotus acuen</taxonomicName>
and
<taxonomicName id="31D443F1A5A285F0BC7378634691217E" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus chromodontus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="chromodontus">Hisonotus chromodontus</taxonomicName>
, species of
<taxonomicName id="3D4E070A9B1C8C7A1096F86409F61DB5" family="Loricariidae" genus="Curculionichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Curculionichthys" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="genus">Curculionichthys</taxonomicName>
- e.g.,
<taxonomicName id="44DDF4818B24F76ADDB414A3972CF732" family="Loricariidae" genus="Curculionichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Curculionichthys luteofrenatus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="luteofrenatus">Curculionichthys luteofrenatus</taxonomicName>
,
<taxonomicName id="C162AB123F1937C70C001899568B677F" family="Loricariidae" genus="Curculionichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Curculionichthys paresi" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="paresi">Curculionichthys paresi</taxonomicName>
, and species of
<taxonomicName id="F3D760DD30F9822766B6BA52CACBB0D6" family="Loricariidae" genus="Epactionotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epactionotus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="genus">Epactionotus</taxonomicName>
- e.g.,
<taxonomicName id="CF22BB09DB864B856127F81151483BEA" family="Loricariidae" genus="Epactionotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epactionotus bilineatus" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="bilineatus">Epactionotus bilineatus</taxonomicName>
,
<taxonomicName id="F4E4BC61B84A818440A6CC9A5FA07E8A" family="Loricariidae" genus="Epactionotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epactionotus itaimbezinho" order="Siluriformes" pageId="5" pageNumber="130" phylum="Chordata" rank="species" species="itaimbezinho">Epactionotus itaimbezinho</taxonomicName>
<pageBreakToken id="597A68C88CCB3E7D164FF89E438BE7F3" pageId="6" pageNumber="131" start="start">and</pageBreakToken>
<taxonomicName id="901735BEC9BBB2D5DCACCD6CB67FDFCE" family="Loricariidae" genus="Epactionotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epactionotus gracilis" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="gracilis">Epactionotus gracilis</taxonomicName>
. Given the above information, it is clear that new analyses are necessary to recognize this putative new genus more accurately.
</paragraph>
<paragraph id="8A9846D3979FD9BA95D851672DF59354" pageId="6" pageNumber="131">
<bibRefCitation id="6A91495772FC1130E428727E149745DA" author="Carvalho, M" journalOrPublisher="Copeia" pageId="8" pageNumber="133" pagination="266 - 275" title="A new species of cascudinho of the genus Hisonotus (Siluriformes: Loricariidae: Hypoptopomatinae) from the upper rio Tapajos basin, Brazil." url="10.1643/CI-11–016" volume="2" year="2012">Carvalho and Datovo (2012)</bibRefCitation>
described a new
<taxonomicName id="643D71386829D2BAC2914D6B75CCE7E8" lsidName="" pageId="6" pageNumber="131" rank="tribe" tribe="Otothyrini">Otothyrini</taxonomicName>
species,
<taxonomicName id="EA0CE80C7C2EEC454EAFEA96E9C32776" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus bockmanni" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="bockmanni">Hisonotus bockmanni</taxonomicName>
, from small tributaries of the rio Teles Pires, drainages of the rio
<normalizedToken id="E336DBBEDC0857DFBBE6320E680BC7C5" originalValue="Tapajós">Tapajos</normalizedToken>
. This species lacks an adipose fin as the new species
<taxonomicName id="1592354260C78194EF0B6750210D8365" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
, and presents several small platelets at typical adipose-fin region. Furthermore,
<taxonomicName id="D24D757A3BF588AE01ED5A113B6FF96A" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus bockmanni" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="bockmanni">Hisonotus bockmanni</taxonomicName>
shows a triangular dark blotch at the anterior base of the dorsal-fin suggesting that this species may also be part of the new genus proposed by
<bibRefCitation id="05C7251A1E470797D79F7FBBACD7336F" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="27 - 33" title="Parotocinclushalbothi, a new species of small armored catfish (Loricariidae: Hypoptopomatinae), from the Trombetas and Marowijne River basins, in Brazil and Suriname." url="10.1590/S1679–62252014000100002" volume="12" year="2014">Lehmann et al. (2014</bibRefCitation>
,
<bibRefCitation id="BBC2A3796918420F28C669F8430C168B" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="47 - 52" title="A new species of the armored catfish Parotocinclus (Loricariidae: Hypoptopomatinae), from the Amazon basin in Colombia." url="10.1590/1982–0224–20140113" volume="13" year="2015">2015</bibRefCitation>
). However, we could not examine the clear and stained specimens of
<taxonomicName id="AD2296DFB5FF04FFE4C106FAB13F9794" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus bockmanni" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="bockmanni">Hisonotus bockmanni</taxonomicName>
to verify if this species presents the first character proposed by
<bibRefCitation id="99B2A0A1312B6FF5C654CDEA2E490DB0" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="27 - 33" title="Parotocinclushalbothi, a new species of small armored catfish (Loricariidae: Hypoptopomatinae), from the Trombetas and Marowijne River basins, in Brazil and Suriname." url="10.1590/S1679–62252014000100002" volume="12" year="2014">Lehmann et al. (2014</bibRefCitation>
,
<bibRefCitation id="0B4213D87ADFDEE38EABECF29FA84EF4" author="Lehmann, AP" journalOrPublisher="Neotropical Ichthyology" pageId="9" pageNumber="134" pagination="47 - 52" title="A new species of the armored catfish Parotocinclus (Loricariidae: Hypoptopomatinae), from the Amazon basin in Colombia." url="10.1590/1982–0224–20140113" volume="13" year="2015">2015</bibRefCitation>
), i.e., a canal cheek plate on the ventral surface of the head elongated posteriorly and contacting the cleithrum.
<taxonomicName id="67890181389BF177C7C6EF210DC71C01" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus bockmanni" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="bockmanni">Hisonotus bockmanni</taxonomicName>
and the new species
<taxonomicName id="DF55B50BC2BFCC64AB2D9061F9FE75DD" family="Loricariidae" genus="Parotocinclus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Parotocinclus dani" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="dani">Parotocinclus dani</taxonomicName>
could be part of the same monophyletic genus and may be closely related. Notwithstanding,
<taxonomicName id="07416A849757545E90F62ABCF4B5A40D" family="Loricariidae" genus="Hisonotus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hisonotus bockmanni" order="Siluriformes" pageId="6" pageNumber="131" phylum="Chordata" rank="species" species="bockmanni">Hisonotus bockmanni</taxonomicName>
can be distinguished from its congeners by the presence of the following characters of coloration pattern proposed by
<bibRefCitation id="28325F7BFCAF57517FC018617EC85F88" author="Carvalho, M" journalOrPublisher="Copeia" pageId="8" pageNumber="133" pagination="266 - 275" title="A new species of cascudinho of the genus Hisonotus (Siluriformes: Loricariidae: Hypoptopomatinae) from the upper rio Tapajos basin, Brazil." url="10.1643/CI-11–016" volume="2" year="2012">Carvalho and Datovo (2012)</bibRefCitation>
: (1) the snout with unpigmented, rostrocaudally elongate ellipse anterior to each naris; (2) the dark-brown pigmented pre-dorsal region with five unpigmented white spots arranged as an anteriorly chevron-shaped blotch with three spots anteriorly of dorsal-fin and two posterior spots lateral to and coequal with insertion of dorsal-fin spine; and (3) the caudal-fin lacking pigments on half of membrane and rays.
</paragraph>
</subSubSection>
</treatment>
</document>
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