125 lines
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125 lines
14 KiB
XML
<document id="B196FCB280025AEF99A86E0EFD649C26" ID-DOI="10.11646/zootaxa.3717.1.1" ID-GBIF-Dataset="febe7fe5-31c3-4570-bab6-5fd94fe720f7" ID-ISSN="1175-5326" ID-Zenodo-Dep="284942" ID-ZooBank="38CCFE74-24B5-4A51-9FB4-51838784D065" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460682850814" checkinUser="plazi" docAuthor="Slobodian, Veronica & Bockmann, Flávio Alicino" docDate="2013" docId="4616FA66FFA9FF8C85FAFCB7FDB61717" docLanguage="en" docName="zt03717p022.pdf" docOrigin="Zootaxa 3717 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Brachyrhamdia thayeria" docType="treatment" docVersion="6" lastPageNumber="15" masterDocId="BA2F821EFFA7FF82856DFFADFFD41035" masterDocTitle="A new Brachyrhamdia (Siluriformes: Heptapteridae) from Rio Japurá basin, Brazil, with comments on its phylogenetic affinities, biogeography and mimicry in the genus" masterLastPageNumber="22" masterPageNumber="1" pageNumber="15" updateTime="1698350672891" updateUser="plazi">
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<mods:titleInfo id="159A14C7E18FA4C5547E93A680E2D024">
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<mods:title id="43568F94790C85FB84A6301AE680AE23">A new Brachyrhamdia (Siluriformes: Heptapteridae) from Rio Japurá basin, Brazil, with comments on its phylogenetic affinities, biogeography and mimicry in the genus</mods:title>
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<mods:namePart id="E8BE1CF4084AA76979CC96A2CC265F4F">Slobodian, Veronica</mods:namePart>
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<mods:roleTerm id="7CFF838B4C24762741A3033EE34C7790">Author</mods:roleTerm>
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<mods:namePart id="F5EA972F280A946D83B320B173FBF7BA">Bockmann, Flávio Alicino</mods:namePart>
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<mods:title id="FCA7727110D32ABFF828104259B20460">Zootaxa</mods:title>
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<mods:part id="1077014B20601CC2B4B70470FAD841A3">
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<mods:date id="ECAF45A9F024064DA226D240D2EDEF45">2013</mods:date>
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<mods:detail id="44C4C66DAF5DBFE5DAADCB90B5D877B0" type="volume">
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<mods:number id="B95B7AC2C8FD589166EEB7EFF70B80E5">3717</mods:number>
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<mods:classification id="1C699ED59BDFBBD86EC4EC09F3168B8E">journal article</mods:classification>
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<mods:identifier id="5A7A0D171E3B4C31C12A355D318140E5" type="DOI">10.11646/zootaxa.3717.1.1</mods:identifier>
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<mods:identifier id="6355E5068B2670D438048DFD215B494B" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="879B75CA80840C86BC9973F5AB0608E4" type="Zenodo-Dep">284942</mods:identifier>
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<treatment id="4616FA66FFA9FF8C85FAFCB7FDB61717" ID-DOI="http://doi.org/10.5281/zenodo.5671638" ID-GBIF-Taxon="127665872" ID-Zenodo-Dep="5671638" LSID="urn:lsid:plazi:treatment:4616FA66FFA9FF8C85FAFCB7FDB61717" httpUri="http://treatment.plazi.org/id/4616FA66FFA9FF8C85FAFCB7FDB61717" lastPageNumber="15" pageId="14" pageNumber="15">
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<subSubSection id="86A518FBFFA9FF8C85FAFCB7FDB61717" pageId="14" pageNumber="15" type="nomenclature">
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<paragraph id="CE004B70FFA9FF8C85FAFCB7FD411301" blockId="14.[151,661,794,820]" box="[151,661,794,820]" pageId="14" pageNumber="15">
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<heading id="9548FC1CFFA9FF8C85FAFCB7FD411301" bold="true" box="[151,661,794,820]" fontSize="11" level="1" pageId="14" pageNumber="15" reason="1">
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<emphasis id="FCCB9762FFA9FF8C85FAFCB7FD411301" bold="true" box="[151,661,794,820]" pageId="14" pageNumber="15">
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Biogeography of
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<taxonomicName id="09BF30F3FFA9FF8C8401FCB7FD411301" box="[364,661,794,820]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="thayeria">
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<emphasis id="FCCB9762FFA9FF8C8401FCB7FD411301" bold="true" box="[364,661,794,820]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia thayeria</emphasis>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="CE004B70FFA9FF8C85FAFCCCFA9E1443" blockId="14.[151,1436,865,1826]" pageId="14" pageNumber="15">
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The region where
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<taxonomicName id="09BF30F3FFA9FF8C8403FCCCFD51134F" box="[366,645,865,890]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="thayeria">
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<emphasis id="FCCB9762FFA9FF8C8403FCCCFD51134F" box="[366,645,865,890]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia thayeria</emphasis>
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</taxonomicName>
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is known to occur, situated about 40–50 meters above sea level, is typical Amazonian lowland formed by Tertiary sediments, and characterized by plan terrains drained by low-speed white-waters (Lima & Ribeiro, 2011). However, within this region,
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<taxonomicName id="09BF30F3FFA9FF8C86F4FC07FBC313F7" box="[921,1047,937,962]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="thayeria">
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<emphasis id="FCCB9762FFA9FF8C86F4FC07FBC313F7" box="[921,1047,937,962]" italics="true" pageId="14" pageNumber="15">B. thayeria</emphasis>
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</taxonomicName>
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seems to prefer small streams not prone to flooding (“terra firme” streams), having comparatively lower sediment loads and consequently clearer (black) waters, and is associated with marginal vegetation and stream bottoms of sand or silt (Hercos
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<emphasis id="FCCB9762FFA9FF8C8079FC5FFA99143F" box="[1300,1357,1009,1034]" italics="true" pageId="14" pageNumber="15">et al.</emphasis>
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, 2009; Queiroz & Hercos, 2009). It is interesting to note that the Leticia species of
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<taxonomicName id="09BF30F3FFA9FF8C8695FBB8FB73141B" box="[1016,1191,1045,1070]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="genus">
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<emphasis id="FCCB9762FFA9FF8C8695FBB8FB73141B" box="[1016,1191,1045,1070]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia</emphasis>
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</taxonomicName>
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occurs in the Laguna Yahuarcaca system, part of the lowlands of the Colombian Amazon and inhabits small black-water streams with densely forested surroundings (
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<emphasis id="FCCB9762FFA9FF8C849AFBF3FDC71443" box="[503,531,1118,1142]" italics="true" pageId="14" pageNumber="15">cf.</emphasis>
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Galvis
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<emphasis id="FCCB9762FFA9FF8C8704FBF3FD761443" box="[617,674,1117,1142]" italics="true" pageId="14" pageNumber="15">et al.</emphasis>
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, 2006), similar to habitats found in the Lago Amanã system.
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</paragraph>
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<paragraph id="CE004B70FFA9FF8C85AAFB2CFCD01613" blockId="14.[151,1436,865,1826]" pageId="14" pageNumber="15">
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Although most species of
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<taxonomicName id="09BF30F3FFA9FF8C849DFB2CFD4B14AF" box="[496,671,1153,1178]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="genus">
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<emphasis id="FCCB9762FFA9FF8C849DFB2CFD4B14AF" box="[496,671,1153,1178]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia</emphasis>
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</taxonomicName>
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occur in the northern lowlands of South
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<collectingCountry id="B6A80BE0FFA9FF8C8118FB2CFB0C14AF" box="[1141,1240,1153,1178]" name="United States of America" pageId="14" pageNumber="15">America</collectingCountry>
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,
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<taxonomicName id="09BF30F3FFA9FF8C8188FB2FFA4014AF" box="[1253,1428,1153,1178]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="heteropleura">
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<emphasis id="FCCB9762FFA9FF8C8188FB2FFA4014AF" box="[1253,1428,1153,1178]" italics="true" pageId="14" pageNumber="15">B. heteropleura</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="09BF30F3FFA9FF8C85FAFB0BFEEE148B" box="[151,314,1189,1214]" class="Actinopterygii" family="Heptapteridae" genus="Pimelodella" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="rambarrani">
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<emphasis id="FCCB9762FFA9FF8C85FAFB0BFEEE148B" box="[151,314,1189,1214]" italics="true" pageId="14" pageNumber="15">B. rambarrani</emphasis>
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</taxonomicName>
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, and an undescribed species from the Rio Tocantins basin inhabit rivers draining ancient highland, shield areas (Lima & Ribeiro, 2011). These species occur in watersheds on ancient basaltic basements that possibly suffered subsidence and were overlain by sediments, thus acquiring characteristics of lowlands and supporting a mixed highland/lowland fish fauna. For example,
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<taxonomicName id="09BF30F3FFA9FF8C87B9FABCFBC9151F" box="[724,1053,1297,1322]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="heteropleura">
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<emphasis id="FCCB9762FFA9FF8C87B9FABCFBC9151F" box="[724,1053,1297,1322]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia heteropleura</emphasis>
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</taxonomicName>
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occurs in the Branco (Amazonas basin) and
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<collectingCountry id="B6A80BE0FFA9FF8C8479FA98FE53157B" box="[276,391,1333,1358]" name="Guyana" pageId="14" pageNumber="15">Essequibo</collectingCountry>
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(Atlantic coastal basin) draining the Takutu graben, a tectonic block that sunk, allowing the formation of a continuous sedimentary basin between the two basins (Crawford
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<emphasis id="FCCB9762FFA9FF8C815CFAF7FBBF1547" box="[1073,1131,1369,1394]" italics="true" pageId="14" pageNumber="15">et al.</emphasis>
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, 1985; Milani & Thomaz- Filho, 2000; Lima & Ribeiro, 2011; Lujan & Armbruster, 2011).
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<taxonomicName id="09BF30F3FFA9FF8C8606FAD0FB7015A3" box="[875,1188,1405,1430]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="species" species="rambarrani">
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<emphasis id="FCCB9762FFA9FF8C8606FAD0FB7015A3" box="[875,1188,1405,1430]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia rambarrani</emphasis>
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</taxonomicName>
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is reportedly endemic to middle and lower reaches of the Rio Negro basin, below São Gabriel da Cachoeira, which bear characteristics of Amazonian lowlands (Latrubesse & Franzinelli, 2005; Lima & Ribeiro, 2011). The undescribed species endemic to the Araguaia-Tocantins is in a system which settled on the tectonically-developed Araguaia and Tocantins depressions (Saadi
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<emphasis id="FCCB9762FFA9FF8C8402F9A3FE7A1613" box="[367,430,1549,1574]" italics="true" pageId="14" pageNumber="15">et al.,</emphasis>
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2005; Lima & Ribeiro, 2011).
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</paragraph>
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<paragraph id="CE004B70FFA9FF8C85AAF99CFDB61717" blockId="14.[151,1436,865,1826]" pageId="14" pageNumber="15">
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The genus
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<taxonomicName id="09BF30F3FFA9FF8C842BF99CFE21167F" box="[326,501,1585,1610]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="genus">
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<emphasis id="FCCB9762FFA9FF8C842BF99CFE21167F" box="[326,501,1585,1610]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia</emphasis>
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</taxonomicName>
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, as presently known, is distributed throughout the Amazon system (including the Rio Tocantins basin), part of the Orinoco River basin, and in the
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<collectingCountry id="B6A80BE0FFA9FF8C861EF9F8FC32165B" box="[883,998,1621,1646]" name="Guyana" pageId="14" pageNumber="15">Essequibo</collectingCountry>
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and Corantijn river basins (Bockmann & Guazzelli, 2003; Slobodian, 2013). The distributional range of each species is well demarcated and nonoverlapping (Slobodian, 2013). Taking into account the broad distribution of the genus, the disjunctive distribution patterns of its species and the fact that they are weakly vagile, the present-day distribution of
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<taxonomicName id="09BF30F3FFA9FF8C81BCF96CFA5416EF" box="[1233,1408,1729,1754]" class="Actinopterygii" family="Heptapteridae" genus="Brachyrhamdia" kingdom="Animalia" order="Siluriformes" pageId="14" pageNumber="15" phylum="Chordata" rank="genus">
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<emphasis id="FCCB9762FFA9FF8C81BCF96CFA5416EF" box="[1233,1408,1729,1754]" italics="true" pageId="14" pageNumber="15">Brachyrhamdia</emphasis>
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</taxonomicName>
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is attributed predominantly to extrinsic causes, indicating that lowlands of northern South
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<collectingCountry id="B6A80BE0FFA9FF8C8113F948FB3516CB" box="[1150,1249,1765,1790]" name="United States of America" pageId="14" pageNumber="15">America</collectingCountry>
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, although recent in age, are geomorphologically dynamic.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |