248 lines
29 KiB
XML
248 lines
29 KiB
XML
<document id="18FC73CAC055D461F1241D87C58980A7" ID-DOI="10.1080/00222933.2012.708452" ID-ISSN="1464-5262" ID-Zenodo-Dep="4590828" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1615293597861" checkinUser="carolina" docAuthor="Kramer, Bernd, Bills, Roger, Skelton, Paul & Wink, Michael" docDate="2012" docId="038087B4FFA3FFD4A3B4FC6663A73641" docLanguage="en" docName="JNATHIST.46.35-36.2179-2258.pdf" docOrigin="Journal of Natural History 46 (35 - 36)" docSource="http://dx.doi.org/10.1080/00222933.2012.708452" docStyle="DocumentStyle:DE8A86AD4006EFA56F95B2AAEFBF2813.5:JNatHist.2008-2012.journal_article.2cover" docStyleId="DE8A86AD4006EFA56F95B2AAEFBF2813" docStyleName="JNatHist.2008-2012.journal_article.2cover" docStyleVersion="5" docTitle="Petrocephalus petersi Kramer & Bills & Skelton & Wink 2012, sp. nov." docType="treatment" docVersion="4" lastPageNumber="2245" masterDocId="FFB9FFCCFFE0FF90A279FFDA6003327D" masterDocTitle="A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species" masterLastPageNumber="2258" masterPageNumber="2179" pageNumber="2244" updateTime="1698882054463" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="29A3F6EB2CF2BF9C806DCD5E45B21202">A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species</mods:title>
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<mods:namePart id="470CA56A8BCBFC9A250AB721097D0539">Kramer, Bernd</mods:namePart>
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<mods:namePart id="B6E8E140FB89EEB11A9D6B521F14E11A">Bills, Roger</mods:namePart>
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<mods:namePart id="0538E9AF8677DF1DC395BA53CCFED377">Skelton, Paul</mods:namePart>
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<mods:namePart id="3E203DB9B25C21AF7BDA2835D8E31991">Wink, Michael</mods:namePart>
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<mods:title id="3D33DA9EE9D6CC2452B5515BEC849A90">Journal of Natural History</mods:title>
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<mods:part id="4952DE217DBEF41794FDBF54C965D5A2">
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<mods:date id="27EDB2CEBCFFCB05BFE1EC0DF1535F3A">2012</mods:date>
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<mods:number id="69BDE3609AAF7E6E01B9481CFFBBA2F1">2012-09-30</mods:number>
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<mods:number id="D947F3EF07EC9D3E23B0D719733F5CE6">46</mods:number>
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<mods:number id="600A3143893EBC0FA0B06B65476B40FA">35 - 36</mods:number>
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<heading id="D0DE81CEFFA3FFD3A3B4FC66631131A9" box="[461,786,956,981]" centered="true" fontSize="36" level="2" pageId="67" pageNumber="2244" reason="7">
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<taxonomicName id="4C294D21FFA3FFD3A3B4FC6662B531A8" ID-CoL="77734" authority="Kramer & Bills & Skelton & Wink, 2012" authorityName="Kramer & Bills & Skelton & Wink" authorityYear="2012" box="[461,694,956,981]" class="Actinopterygii" family="Mormyridae" genus="Petrocephalus" kingdom="Animalia" order="Osteoglossiformes" pageId="67" pageNumber="2244" phylum="Chordata" rank="species" species="petersi" status="sp. nov.">
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<emphasis id="B95DEAB0FFA3FFD3A3B4FC6662B531A8" bold="true" box="[461,694,956,981]" italics="true" pageId="67" pageNumber="2244">Petrocephalus petersi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A26E57CBFFA3FFD3A0C7FC67631131A9" box="[702,786,957,980]" pageId="67" pageNumber="2244" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3336529FFA3FFD4A077FC0663A73641" lastPageId="68" lastPageNumber="2245" pageId="67" pageNumber="2244" type="description">
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<paragraph id="8B9636A2FFA3FFD3A077FC0662D33189" blockId="67.[461,786,956,1012]" box="[526,720,988,1012]" pageId="67" pageNumber="2244">
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(
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<figureCitation id="13122A27FFA3FFD3A06FFC06627B3189" box="[534,632,988,1012]" captionStart="Figure 2" captionStartId="5.[143,210,1254,1276]" captionText="Figure 2(A–D). Photographs of members of southern and eastern African Petrocephalus species studied (numbers refer to localities given in Figures 1, 6 and 9). (1) P. catostoma (Günther, 1866), Lectotype, BMNH 1863.10.12.4, right side, SL 4.7 cm. (2) P. stuhlmanni Boulenger, 1909, holotype, BMNH 1907.12.3.1, SL 7.9 cm. (3) P. wesselsi Kramer and Van der Bank, 2000, right side, SL 9.7 cm, SAIAB 85922 (R1). (7) P. longicapitis sp. nov., SMF 28265 (R1), SL 9 cm. (9) P. okavangensis sp. nov., holotype, SAIAB 030046, right side, SL 6.1 cm. (10) P. catostoma tanensis Whitehead and Greenwood, 1959, holotype, BMNH 1963.11.29.1, right side, SL 6.7 cm. (10a) P. tanensis, field no. Ta05na, SL 8.7 cm, SAIAB 85907. (12) P. longianalis sp. nov., holotype, SL 8.2 cm, right side, SAIAB 76758. (21) P. petersi sp. nov., holotype, SAIAB 060846, right side, SL 6.4 cm. (23) P. magnoculis sp. nov., SL 8.9 cm, ZSM 38659. (24) P. haullevillii Boulenger, 1912, BMNH 1912.4.1.186–188 (R1), right side, SL 5.7 cm. (25) P. steindachneri Fowler 1958, syntype, NMW 55118:3, right side, SL 6.4 cm. (26) P. stuhlmanni congicus David and Poll, 1937, syntype, MRAC 30807-30808, SL 7.8 cm. (27) P. degeni Boulenger, 1906, BMNH 1906.5.30.84, right side, SL 8.12 cm. (28) P. catostoma, SAIAB 73894 (R1), right side, SL 6.4 cm. (31) P. magnitrunci sp. nov., SL 8.5 cm, SAIAB 67069 (R5, right side), see map Figure 6. Scale bar, 1 cm." pageId="67" pageNumber="2244">Figure 2</figureCitation>
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, no. 21)
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</paragraph>
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<emphasis id="B95DEAB0FFA3FFD3A2F6FBC761423649" box="[143,321,1053,1076]" italics="true" pageId="67" pageNumber="2244">Type specimens.</emphasis>
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<materialsCitation id="3B413CFFFFA3FFD3A330FBC6636D3629" collectionCode="SAIAB, R" country="Mozambique" county="Zambezi River" location="Zambezi River System" municipality="River System" pageId="67" pageNumber="2244" specimenCode="SAIAB 060846, R1" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54928800FFA3FFD3A330FBC661BB3649" box="[329,440,1052,1076]" pageId="67" pageNumber="2244" type="holotype">Holotype</typeStatus>
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:
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<specimenCode id="DB8F9ED9FFA3FFD3A3BBFBC6626E3649" box="[450,621,1052,1076]" collectionCode="SAIAB" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34984" lsid="urn:lsid:biocol.org:col:34984" name="South African Institute for Aquatic Biodiversity" pageId="67" pageNumber="2244" type="Other type of research institution/biorepository">SAIAB 060846</specimenCode>
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(specimen
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<specimenCode id="DB8F9ED9FFA3FFD3A094FBC663133649" box="[749,784,1052,1076]" collectionCode="R" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="67" pageNumber="2244">R1</specimenCode>
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),
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, stream near campsite 1, edge of wet
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<location id="8EF66079FFA3FFD3A3D5FBE662B73629" LSID="urn:lsid:plazi:treatment:038087B4FFA3FFD4A3B4FC6663A73641:8EF66079FFA3FFD3A3D5FBE662B73629" box="[428,692,1084,1108]" country="Mozambique" county="Zambezi River" municipality="River System" name="Zambezi River System" pageId="67" pageNumber="2244">
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<location id="8EF66079FFA3FFD3A3D5FBE662553629" LSID="urn:lsid:plazi:treatment:038087B4FFA3FFD4A3B4FC6663A73641:8EF66079FFA3FFD3A3D5FBE662553629" box="[428,598,1084,1108]" country="Mozambique" county="Zambezi River" municipality="River System" name="Zambezi River" pageId="67" pageNumber="2244">
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Zambezi
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<collectingMunicipality id="6BF2ACD8FFA3FFD3A061FBE662553629" box="[536,598,1084,1108]" pageId="67" pageNumber="2244">River</collectingMunicipality>
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</location>
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System
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,
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<collectingCounty id="62F74E2EFFA3FFD3A0BBFBE6636D3629" box="[706,878,1084,1108]" pageId="67" pageNumber="2244">Zambezi River</collectingCounty>
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</materialsCitation>
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.
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<materialsCitation id="3B413CFFFFA3FFD3A105FBE7618C3609" collectionCode="SAIAB" country="Mozambique" pageId="67" pageNumber="2244" specimenCode="SAIAB 186055" specimenCount="10" typeStatus="paratype">
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<typeStatus id="54928800FFA3FFD3A105FBE763ED3628" box="[892,1006,1085,1109]" pageId="67" pageNumber="2244" type="paratype">Paratypes</typeStatus>
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:
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<specimenCode id="DB8F9ED9FFA3FFD3A185FBE660DC3609" collectionCode="SAIAB" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34984" lsid="urn:lsid:biocol.org:col:34984" name="South African Institute for Aquatic Biodiversity" pageId="67" pageNumber="2244" type="Other type of research institution/biorepository">SAIAB 186055</specimenCode>
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(
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<specimenCount id="9D2FFD2BFFA3FFD3A297FB8661843609" box="[238,391,1116,1140]" pageId="67" pageNumber="2244" type="generic">10 specimens</specimenCount>
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)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8B9636A2FFA3FFD3A2F6FB4562BA36AB" blockId="67.[143,1103,1182,1238]" pageId="67" pageNumber="2244">
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<materialsCitation id="3B413CFFFFA3FFD3A2F6FB4562B636AB" country="Mozambique" county="Zambezi River" location="Zambezi River System" municipality="River System" pageId="67" pageNumber="2244" specimenCount="1" typeStatus="holotype">
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<emphasis id="B95DEAB0FFA3FFD3A2F6FB45612936CB" box="[143,298,1182,1206]" italics="true" pageId="67" pageNumber="2244">
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<typeStatus id="54928800FFA3FFD3A2F6FB4560C636CB" box="[143,197,1183,1206]" pageId="67" pageNumber="2244">Type</typeStatus>
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locality.
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</emphasis>
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<collectingCountry id="F33E7632FFA3FFD3A34BFB4461C936CB" box="[306,458,1182,1206]" name="Mozambique" pageId="67" pageNumber="2244">Mozambique</collectingCountry>
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, stream near campsite 1, edge of wet
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<location id="8EF66079FFA3FFD3A1DBFB4460E036AB" LSID="urn:lsid:plazi:treatment:038087B4FFA3FFD4A3B4FC6663A73641:8EF66079FFA3FFD3A1DBFB4460E036AB" country="Mozambique" county="Zambezi River" municipality="River System" name="Zambezi River System" pageId="67" pageNumber="2244">
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<location id="8EF66079FFA3FFD3A1DBFB44644C36CB" LSID="urn:lsid:plazi:treatment:038087B4FFA3FFD4A3B4FC6663A73641:8EF66079FFA3FFD3A1DBFB44644C36CB" box="[930,1103,1182,1206]" country="Mozambique" county="Zambezi River" municipality="River System" name="Zambezi River" pageId="67" pageNumber="2244">
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Zambezi
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<collectingMunicipality id="6BF2ACD8FFA3FFD3A668FB44644C36CB" box="[1041,1103,1182,1206]" pageId="67" pageNumber="2244">River</collectingMunicipality>
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</location>
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System
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</location>
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,
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<collectingCounty id="62F74E2EFFA3FFD3A297FB64619636AB" box="[238,405,1214,1238]" pageId="67" pageNumber="2244">Zambezi River</collectingCounty>
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, 18
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33
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<superScript id="7C5C9BEAFFA3FFD3A3A6FB6061E036B6" attach="left" box="[479,483,1210,1227]" fontSize="7" pageId="67" pageNumber="2244">′</superScript>
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54
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<superScript id="7C5C9BEAFFA3FFD3A079FB60620A36B6" attach="left" box="[512,521,1210,1227]" fontSize="7" pageId="67" pageNumber="2244">′′</superScript>
|
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S, 35
|
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<superScript id="7C5C9BEAFFA3FFD3A031FB60625336B6" attach="left" box="[584,592,1210,1227]" fontSize="7" pageId="67" pageNumber="2244">◦</superScript>
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39
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<superScript id="7C5C9BEAFFA3FFD3A014FB60627236B6" attach="left" box="[621,625,1210,1227]" fontSize="7" pageId="67" pageNumber="2244">′</superScript>
|
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46
|
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<superScript id="7C5C9BEAFFA3FFD3A0F7FB60629436B6" attach="left" box="[654,663,1210,1227]" fontSize="7" pageId="67" pageNumber="2244">′′</superScript>
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E
|
||
</materialsCitation>
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.
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</paragraph>
|
||
<paragraph id="8B9636A2FFA3FFD3A2F6FAD8625637C5" blockId="67.[143,1104,1280,1464]" pageId="67" pageNumber="2244">
|
||
<emphasis id="B95DEAB0FFA3FFD3A2F6FAD861003764" box="[143,259,1282,1305]" italics="true" pageId="67" pageNumber="2244">Diagnosis.</emphasis>
|
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<materialsCitation id="3B413CFFFFA3FFD3A373FADA625237C5" collectionCode="PAL, PDL, BD" latitude="0.287" longLatPrecision="78" longitude="-0.323" pageId="67" pageNumber="2244" specimenCount="1">
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||
Preanal length,
|
||
<collectionCode id="ED38AE67FFA3FFD3A3BFFADA61FE3765" box="[454,509,1280,1304]" country="Italy" lsid="urn:lsid:biocol.org:col:15292" name="Herbarium Mediterraneum Panormitanum" pageId="67" pageNumber="2244" type="Herbarium">PAL</collectionCode>
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||
, mean 0.616 (range
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A08AFADA63333765" box="[755,816,1280,1304]" degrees="0.595" direction="north" orientation="latitude" pageId="67" pageNumber="2244" precision="55" value="0.595">0.595</geoCoordinate>
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<geoCoordinate id="EE1D5065FFA3FFD3A156FADA63793765" box="[815,890,1280,1304]" degrees="0.637" direction="west" orientation="longitude" pageId="67" pageNumber="2244" precision="55" value="-0.637">–0.637</geoCoordinate>
|
||
) of SL; predorsal length,
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||
<collectionCode id="ED38AE67FFA3FFD3A29DFAFB611C3745" box="[228,287,1313,1336]" pageId="67" pageNumber="2244">PDL</collectionCode>
|
||
, mean 0.642 (range
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A07AFAFA62433745" box="[515,576,1312,1336]" degrees="0.623" direction="north" orientation="latitude" pageId="67" pageNumber="2244" precision="55" value="0.623">0.623</geoCoordinate>
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<geoCoordinate id="EE1D5065FFA3FFD3A039FAFA62883745" box="[576,651,1312,1336]" degrees="0.658" direction="west" orientation="longitude" pageId="67" pageNumber="2244" precision="55" value="-0.658">–0.658</geoCoordinate>
|
||
) of SL; length of snout to centre of eye, LSc, mean 0.364 (range
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A3D0FA9A61E53725" box="[425,486,1344,1368]" degrees="0.345" direction="north" orientation="latitude" pageId="67" pageNumber="2244" precision="55" value="0.345">0.345</geoCoordinate>
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||
<geoCoordinate id="EE1D5065FFA3FFD3A39FFA9A62323725" box="[486,561,1344,1368]" degrees="0.383" direction="west" orientation="longitude" pageId="67" pageNumber="2244" precision="55" value="-0.383">–0.383</geoCoordinate>
|
||
) of HL, head length; length of snout to posterior orbital rim of eye, LSo, mean 0.462 (range
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A0E7FABA62D83705" box="[670,731,1376,1400]" degrees="0.442" direction="north" orientation="latitude" pageId="67" pageNumber="2244" precision="55" value="0.442">0.442</geoCoordinate>
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A0A2FABA63253705" box="[731,806,1376,1400]" degrees="0.479" direction="west" orientation="longitude" pageId="67" pageNumber="2244" precision="55" value="-0.479">–0.479</geoCoordinate>
|
||
) of HL, head length; body depth,
|
||
<collectionCode id="ED38AE67FFA3FFD3A299FA5B610A37E5" box="[224,265,1409,1432]" pageId="67" pageNumber="2244">BD</collectionCode>
|
||
, mean 0.299 (range
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A38CFA5A623137E5" box="[501,562,1408,1432]" degrees="0.287" direction="north" orientation="latitude" pageId="67" pageNumber="2244" precision="55" value="0.287">0.287</geoCoordinate>
|
||
<geoCoordinate id="EE1D5065FFA3FFD3A04BFA5A627E37E5" box="[562,637,1408,1432]" degrees="0.323" direction="west" orientation="longitude" pageId="67" pageNumber="2244" precision="55" value="-0.323">–0.323</geoCoordinate>
|
||
) of SL; number of scales around caudal peduncle, SPc, median 16 (range 12–16)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA3FFD4A2F6FA39636233A3" blockId="67.[143,1104,1506,1691]" lastBlockId="68.[211,1172,167,478]" lastPageId="68" lastPageNumber="2245" pageId="67" pageNumber="2244">
|
||
<emphasis id="B95DEAB0FFA3FFD3A2F6FA3961153787" box="[143,278,1507,1530]" italics="true" pageId="67" pageNumber="2244">Description.</emphasis>
|
||
Body round-oval shape (
|
||
<figureCitation id="13122A27FFA3FFD3A04AFA3862943787" box="[563,663,1506,1530]" captionStart="Figure 2" captionStartId="5.[143,210,1254,1276]" captionText="Figure 2(A–D). Photographs of members of southern and eastern African Petrocephalus species studied (numbers refer to localities given in Figures 1, 6 and 9). (1) P. catostoma (Günther, 1866), Lectotype, BMNH 1863.10.12.4, right side, SL 4.7 cm. (2) P. stuhlmanni Boulenger, 1909, holotype, BMNH 1907.12.3.1, SL 7.9 cm. (3) P. wesselsi Kramer and Van der Bank, 2000, right side, SL 9.7 cm, SAIAB 85922 (R1). (7) P. longicapitis sp. nov., SMF 28265 (R1), SL 9 cm. (9) P. okavangensis sp. nov., holotype, SAIAB 030046, right side, SL 6.1 cm. (10) P. catostoma tanensis Whitehead and Greenwood, 1959, holotype, BMNH 1963.11.29.1, right side, SL 6.7 cm. (10a) P. tanensis, field no. Ta05na, SL 8.7 cm, SAIAB 85907. (12) P. longianalis sp. nov., holotype, SL 8.2 cm, right side, SAIAB 76758. (21) P. petersi sp. nov., holotype, SAIAB 060846, right side, SL 6.4 cm. (23) P. magnoculis sp. nov., SL 8.9 cm, ZSM 38659. (24) P. haullevillii Boulenger, 1912, BMNH 1912.4.1.186–188 (R1), right side, SL 5.7 cm. (25) P. steindachneri Fowler 1958, syntype, NMW 55118:3, right side, SL 6.4 cm. (26) P. stuhlmanni congicus David and Poll, 1937, syntype, MRAC 30807-30808, SL 7.8 cm. (27) P. degeni Boulenger, 1906, BMNH 1906.5.30.84, right side, SL 8.12 cm. (28) P. catostoma, SAIAB 73894 (R1), right side, SL 6.4 cm. (31) P. magnitrunci sp. nov., SL 8.5 cm, SAIAB 67069 (R5, right side), see map Figure 6. Scale bar, 1 cm." pageId="67" pageNumber="2244">Figure 2</figureCitation>
|
||
, no. 21). Head broadly rounded with a small ventrally positioned subterminal mouth, situated ventral to the eye; head and body dorsolaterally compressed. Dorsal fin (a) origin situated about two-thirds of standard length from snout, (b) obliquely orientated, anteriorly higher and posteriorly lower, (c) distal margin crescentic with anterior two or three rays longer than posterior rays, and (d) number of rays 18 (
|
||
<emphasis id="B95DEAB0FFA3FFD3A077F959621834E7" box="[526,539,1667,1690]" italics="true" pageId="67" pageNumber="2244">n</emphasis>
|
||
= 2), 19 (
|
||
<emphasis id="B95DEAB0FFA3FFD3A0ECF95962A134E7" box="[661,674,1667,1690]" italics="true" pageId="67" pageNumber="2244">n</emphasis>
|
||
= 2), 20 (
|
||
<emphasis id="B95DEAB0FFA3FFD3A164F959632934E7" box="[797,810,1667,1690]" italics="true" pageId="67" pageNumber="2244">n</emphasis>
|
||
= 7). Anal fin (a) longer than dorsal fin, (b) opposite dorsal fin with slightly more anterior origin, (c) obliquely orientated, anteriorly lower and posteriorly higher, (d) anterior 10 or so rays longer than posterior ones, especially in males where they also appear stronger, (e) margin broadly rounded, (f) rays posterior to first 10 with distal margin straight, (g) number of rays 25 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A32AFEF261633342" box="[339,352,296,319]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 4), 26 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A3ACFEF261E13342" box="[469,482,296,319]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 7). Forked tail fin with rounded lobes. Scales cycloid with reticulate striae, scales extending anteriorly to operculum and pectoral fins (beyond pelvics). Scales on caudal peduncle circumference, 12 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A146FEB2634F3302" box="[831,844,360,383]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 1), 13 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A1B8FEB263CD3302" box="[961,974,360,383]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 1), 14 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A63DFEB264523302" box="[1092,1105,360,383]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 2), 15 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A286FE52610F33E2" box="[255,268,392,415]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 1), 16 (
|
||
<emphasis id="B95DEAB0FFA4FFD4A3FAFE52619333E2" box="[387,400,392,415]" italics="true" pageId="68" pageNumber="2245">n</emphasis>
|
||
= 6). Caudal peduncle slender, subcylindrical entire length, usually 19.7% (18.5–20.8%) of SL (
|
||
<tableCitation id="C6AB0319FFA4FFD4A07EFE7C625933C3" box="[519,602,422,446]" captionStart="Table 1" captionStartId="18.[58,113,442,464]" captionText="Table 1. Morphometrics of the southern and eastern African Petrocephalus species." pageId="68" pageNumber="2245">Table 1</tableCitation>
|
||
). Males with kink in anal fin base, which is absent in juveniles and females where the anal fin base is straight.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA4FFD4A2AAFDDC62583063" blockId="68.[211,603,518,542]" box="[211,603,518,542]" pageId="68" pageNumber="2245">
|
||
<emphasis id="B95DEAB0FFA4FFD4A2AAFDDC61CD3063" box="[211,462,518,542]" italics="true" pageId="68" pageNumber="2245">Colour in preservation.</emphasis>
|
||
Light beige.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA4FFD4A2AAFD9C631B30A0" blockId="68.[211,1172,582,733]" pageId="68" pageNumber="2245">
|
||
<emphasis id="B95DEAB0FFA4FFD4A2AAFD9C61313023" box="[211,306,582,606]" italics="true" pageId="68" pageNumber="2245">Ecology.</emphasis>
|
||
Only collected at one site near camp 1 where local fisherwomen had poisoned a small stream. One of two mormyrids present there and it accounted for less than 4% of the population. The habitat was a medium-sized stream, sand substrate with lots of leaf litter and marginal grass.
|
||
<taxonomicName id="4C294D21FFA4FFD4A03BFD7C632930C0" authority="Kramer & Bills & Skelton & Wink, 2012" authorityName="Kramer & Bills & Skelton & Wink" authorityYear="2012" box="[578,810,678,702]" class="Actinopterygii" family="Mormyridae" genus="Petrocephalus" kingdom="Animalia" order="Osteoglossiformes" pageId="68" pageNumber="2245" phylum="Chordata" rank="species" species="petersi" status="sp. nov.">
|
||
<emphasis id="B95DEAB0FFA4FFD4A03BFD7C632930C0" box="[578,810,678,702]" italics="true" pageId="68" pageNumber="2245">Petrocephalus petersi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A26E57CBFFA4FFD4A14BFD7C638430C0" box="[818,903,678,701]" pageId="68" pageNumber="2245" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is regarded as rare, and prefers freshwater (
|
||
<emphasis id="B95DEAB0FFA4FFD4A3D5FD1C61C230A0" box="[428,449,710,733]" italics="true" pageId="68" pageNumber="2245"><</emphasis>
|
||
1% salinity). Online
|
||
<figureCitation id="13122A27FFA4FFD4A0DCFD1F631730A0" box="[677,788,709,733]" captionStart="Figure 11" captionStartId="44.[211,278,844,866]" captionTargetBox="[212,1171,168,811]" captionTargetId="figure-5@44.[211,1171,168,811]" captionTargetPageId="44" captionText="Figure 11. Oscilloscope traces of Electric Organ Discharges (EODs) of members of southern and eastern African Petrocephalus species. (A) P. longicapitis sp. nov. (B) P. tanensis, (C) P. wesselsi, (D) P. okavangensis sp. nov. Ordinate, voltage, with head-positivity upwards from baseline: shown in (A). Abscissa, time (see time bar); same scale everywhere. EOD amplitude scaled to first head-positive phase P1 = 1; P2, second head-positive phase; N, head-negative phase. EODs superimposed with temporal offset to better show differences among individuals: differences between the sexes statistically significant in (A) and (B)." figureDoi="http://doi.org/10.5281/zenodo.4590854" httpUri="https://zenodo.org/record/4590854/files/figure.png" pageId="68" pageNumber="2245">Figure 11</figureCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA4FFD4A2AAFCDF63BD3160" blockId="68.[211,958,773,797]" box="[211,958,773,797]" pageId="68" pageNumber="2245">
|
||
<emphasis id="B95DEAB0FFA4FFD4A2AAFCDF61633160" box="[211,352,773,797]" italics="true" pageId="68" pageNumber="2245">Distribution.</emphasis>
|
||
Presently only known from the
|
||
<collectingRegion id="49EDF840FFA4FFD4A0B1FCDF63293160" box="[712,810,773,797]" country="Namibia" name="Zambezi" pageId="68" pageNumber="2245">Zambezi</collectingRegion>
|
||
delta region.
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA4FFD4A2AAFC9F623F31A1" blockId="68.[211,1172,837,988]" pageId="68" pageNumber="2245">
|
||
<emphasis id="B95DEAB0FFA4FFD4A2AAFC9F61523120" box="[211,337,837,861]" italics="true" pageId="68" pageNumber="2245">Etymology.</emphasis>
|
||
The species name
|
||
<taxonomicName id="4C294D21FFA4FFD4A049FC9C627B3120" authorityName="Kramer & Bills & Skelton & Wink" authorityYear="2012" box="[560,632,838,861]" class="Actinopterygii" family="Mormyridae" genus="Petrocephalus" kingdom="Animalia" order="Osteoglossiformes" pageId="68" pageNumber="2245" phylum="Chordata" rank="species" species="petersi">
|
||
<emphasis id="B95DEAB0FFA4FFD4A049FC9C627B3120" box="[560,632,838,861]" italics="true" pageId="68" pageNumber="2245">petersi</emphasis>
|
||
</taxonomicName>
|
||
is given in honour of the German herpetologist Wilhelm C. H. Peters who, until recently, during his
|
||
<emphasis id="B95DEAB0FFA4FFD4A12DFCBF622031E0" italics="true" pageId="68" pageNumber="2245">Naturwissenschaftliche Reise nach Mossambique 1842–1848</emphasis>
|
||
, had carried out the only major fish survey of the lower
|
||
<collectingRegion id="49EDF840FFA4FFD4A2AAFC7E618A31C1" box="[211,393,932,956]" country="Namibia" name="Zambezi" pageId="68" pageNumber="2245">Zambezi region</collectingRegion>
|
||
, and discovered many of the endemics and other more widespread species (
|
||
<bibRefCitation id="EFB84B53FFA4FFD4A356FC1E61B031A1" author="Peters WCH" box="[303,435,964,988]" pageId="68" pageNumber="2245" refId="ref45966" refString="Peters WCH. 1868. Naturwissenschaftliche Reise nach Mossambique. Auf Befehl seiner Majestat des Konigs Friedrich Wilhelm IV in den Jahren 1842 bis 1848 ausgefuhrt: Zoologie. IV. Flussfische. Mit zwanzig Kupfertafeln. Berlin: Georg Reimer." type="book" year="1868">Peters 1868</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB84B53FFA4FFD4A3C7FC1E623331A1" author="Bills IR" box="[446,560,964,988]" pageId="68" pageNumber="2245" pagination="461 - 485" refId="ref43819" refString="Bills IR. 2000. Freshwater fish survey of the lower Zambezi River, Mozambique. Chapter 7, Appendix 7.1. In: Timberlake JR, editor. Biodiversity of the Zambezi Basin Wetlands, Consultancy report for IUCN ROSA. Biodiversity Foundation for Africa, Bulawayo: The Zambezi Society, Harare. p. 461 - 485." type="book chapter" year="2000">Bills 2000</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9636A2FFA4FFD4A2AAFBDE63A73641" blockId="68.[211,1171,1028,1084]" pageId="68" pageNumber="2245">
|
||
<emphasis id="B95DEAB0FFA4FFD4A2AAFBDE613E3661" box="[211,317,1028,1052]" italics="true" pageId="68" pageNumber="2245">Remarks.</emphasis>
|
||
In comparison,
|
||
<taxonomicName id="4C294D21FFA4FFD4A381FBDF625F3661" authority="Kramer & Bills & Skelton & Wink, 2012" authorityName="Kramer & Bills & Skelton & Wink" authorityYear="2012" box="[504,604,1029,1052]" class="Actinopterygii" family="Mormyridae" genus="Petrocephalus" kingdom="Animalia" order="Osteoglossiformes" pageId="68" pageNumber="2245" phylum="Chordata" rank="species" species="petersi" status="sp. nov.">
|
||
<emphasis id="B95DEAB0FFA4FFD4A381FBDF625F3661" box="[504,604,1029,1052]" italics="true" pageId="68" pageNumber="2245">P. petersi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A26E57CBFFA4FFD4A01DFBDF62BA3661" box="[612,697,1029,1052]" pageId="68" pageNumber="2245" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is characterized by a very long PAL, long PDL, long LSc and LSo, quite high BD, and a usually high SPc.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |