263 lines
24 KiB
XML
263 lines
24 KiB
XML
<document id="FF00C0BDA23B01FD7CF9C7905D60B7F9" ENCODING="UTF-8" ID-GBIF-Dataset="3724eefb-f2a0-4603-aa7b-4100bc6e402f" ModsDocID="z00209p001" checkinTime="1246895746168" checkinUser="thomas" docAuthor="Anton Lamboj & Melanie L. J. Stiassny" docDate="2003" docId="1AEF849F8CE815F8B65503AC6E2539EF" docLanguage="en" docName="2003_Lamboj_Stiassny_gg1.xml" docOrigin="Zootaxa 209" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:815B258C-2E34-46C2-9A4E-DEDC9A1117B3" docTitle="Parananochromis brevirostris Lamboj & Stiassny, 2003, new species" docType="treatment" docUuid="DA0D653B-428F-4F7D-9A78-A0D5ABEA62BE" docUuidSource="ZooBank" docVersion="14" lastPageNumber="12" masterDocId="45F923834D2E8121752C4D8344FA1583" masterDocTitle="Three new Parananochromis species (Teleostei, Cichlidae) from Gabon and Cameroon, Central Africa." masterLastPageNumber="19" masterPageNumber="1" pageNumber="7" updateTime="1701313851442" updateUser="plazi">
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<mods:mods id="61ABBDD9D7CFA1D86AE5C4146FF541BD" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="682D62F32820D9EB00662A457EF6B52D">
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<mods:title id="000C3E0E3BE6CE663D0EA7985E3AE805">Three new Parananochromis species (Teleostei, Cichlidae) from Gabon and Cameroon, Central Africa.</mods:title>
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</mods:titleInfo>
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<mods:name id="AD9F66B57ADCECF303711CFBAB6969D2" type="personal">
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<mods:role id="289180CBAF49000796CE03D69717A9BE">
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<mods:roleTerm id="2AC4A768BA1857A9C81273B667550C3D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A9A37DE2BDCFDDD2575D9D56FC0ECE52">Anton Lamboj</mods:namePart>
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</mods:name>
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<mods:name id="FDFE9C3BECE1D5BADF3ABAFB87D6D16C" type="personal">
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<mods:role id="12F02B837616D6B03740C934A214100F">
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<mods:roleTerm id="9083CDFDE01A4C529BCAD67CD1A088C4">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1AF3DE0A8366674710FC5B65B13CE212">Melanie L. J. Stiassny</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="2BD4A625B80BF2CE6746D82DD985E767">text</mods:typeOfResource>
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<mods:titleInfo id="05A84C07461256C8F15214D947559019">
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<mods:title id="A3799FCE4F2B19416F31FC0E4F29D276">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="6B648545737DB87972F1BB21DC2C24C1">
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<mods:date id="8720EEA515397F8D6ECB3452BB4BFB71">2003</mods:date>
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<mods:detail id="F614CE7452867C697E8371F5DD1BEE71" type="volume">
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<mods:number id="C1FA501C95B7AA09ECC354B258E48D46">209</mods:number>
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<mods:start id="294944FED1A042E9A685C792C80B038E">1</mods:start>
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<mods:end id="543E1AD9F3E1DA2DFD5B598952233F94">19</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location id="D7B7FFD1F13DD210EE4928B9ECC644D3">
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<mods:url id="13137E756A18A0808B15504075BF85C3">http://www.zoobank.org/urn:lsid:zoobank.org:pub:815B258C-2E34-46C2-9A4E-DEDC9A1117B3</mods:url>
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</mods:location>
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<mods:classification id="A5FF0F8D4C81F5C59CADC140A8F4BC02">journal article</mods:classification>
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<mods:identifier id="5C9A69067E097B46C78019752718FAF7" type="ZooBank">815B258C-2E34-46C2-9A4E-DEDC9A1117B3</mods:identifier>
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</mods:mods>
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<treatment id="1AEF849F8CE815F8B65503AC6E2539EF" ID-DOI="http://doi.org/10.5281/zenodo.6273824" ID-GBIF-Taxon="100123504" ID-Zenodo-Dep="6273824" LSID="urn:lsid:zoobank.org:act:DA0D653B-428F-4F7D-9A78-A0D5ABEA62BE" httpUri="http://treatment.plazi.org/id/1AEF849F8CE815F8B65503AC6E2539EF" lastPageNumber="12" pageNumber="7">
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<subSubSection id="A1EF7AEB954605FC8FC595D73E997C7E" type="nomenclature">
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<paragraph id="F16CF3A612F85BC8794B137FBB1E08CB" pageNumber="7">
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<taxonomicName id="D4E9E5F96BD94919A47B57093183FE65" ID-CoL="4D4JZ" LSID-ZBK="urn:lsid:zoobank.org:act:DA0D653B-428F-4F7D-9A78-A0D5ABEA62BE" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis brevirostris Lamboj & Stiassny 2003:7" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="brevirostris">Parananochromis brevirostris</taxonomicName>
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,
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<taxonomicNameLabel id="3A4EB39B6B596A00BAA72674999B1AFA" rank="species">new species</taxonomicNameLabel>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="CB46A8345B8F8DDC1FACA6793CD7B135" type="description">
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<paragraph id="D5BC5687BBA5F65BC4691FF9C3CC5224" pageNumber="7">(Figs. 4-9)</paragraph>
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</subSubSection>
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||
<subSubSection id="9483CC58B4B1957DB9D230A4EA9BD218" type="reference_group">
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<paragraph id="2919D61EADEB139DF5A8BFEE5D379214" pageNumber="7">
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<taxonomicName id="D798CB72A14DA67AF9DC51427C9B36B4" class="Actinopterygii" family="Cichlidae" genus="Nanochromis" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="dimidiatus">Nanochromis cf. dimidiatus</taxonomicName>
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-
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<normalizedToken id="55C29D49119002494F8C8C790DD735A4" originalValue="Géry">Gery</normalizedToken>
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, 1965: 381
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</paragraph>
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<paragraph id="3E381EEEC295EDC506AD159A140AE295" pageNumber="7">
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<taxonomicName id="F8D2C2BF952F424EAB540CD7563FE4B3" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="makokou">Parananochromis sp. “Makokou”</taxonomicName>
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- Lamboj, 1999a: 126; Linke & Staeck, 2002: 151.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="A91843AF274960FA61A2CFD352263DA6" type="nomenclature">
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<paragraph id="F3E6F490197F65BD1958D52C9CBE4B13" pageNumber="7">
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||
<materialsCitation id="00ABEF486C2FD03FE00C375F02318500" ID-GBIF-Occurrence="923892196" country="Gabon">
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<typeStatus id="97807F2D2F8931D984EF87A5B3CC2EAA">Holotype</typeStatus>
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||
.
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<collectionCode id="3D52B9141E3B822F7A0C4D8A105BA1E4" collectionName="USA, New York, New York, American Museum of Natural History">AMNH</collectionCode>
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232536, male, 42.5 mm SL;
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<collectingCountry id="B910CC24F1D632DB5F03181D5E6730D6">Gabon</collectingCountry>
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: Ivindo system, Small, shallow creek ca. 200m downstream of IRET station (on opposite side of river), 0°30´34”N, 12°48´33” E, M.L.J. Stiassny & E. Vreven,
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<date id="17EC2591181064708815DD53B0CCBC25" month="01" value="1998-01" year="1998">Jan 1998</date>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="AD2CAE1B1B10A18B0A0EBB46F1D76BA0" pageNumber="7">
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<materialsCitation id="1C22D856707AEF69EC9B627334BECE43" ID-GBIF-Occurrence="923892197" country="Gabon">
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<typeStatus id="3658A39E2A0BC307DE91E5C2461D5723">Paratypes</typeStatus>
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. Total of 57 specimens, 21.2-51.2 mm SL,
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<collectionCode id="D691ACE95D84FF26F834BE5C87230D6A" collectionName="USA, New York, New York, American Museum of Natural History">AMNH</collectionCode>
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<date id="21BB42DE41A46E0CECAFE73E7860BA17" day="23" month="07" value="20-07-23" year="20">230720</date>
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, 15 males, 6 females, 2 undet. 31.4-42.2 mm SL,
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<collectingCountry id="58C03DD1162E431F28E8AA914E10F394">Gabon</collectingCountry>
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: Ivindo system, Small creek ca. 200m downstream of IRET station (on opposite side of river), 0°30´34”N, 12°48´33” E, M.L.J. Stiassny & E. Vreven,
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<date id="7E41D30322C9439B7155E216FFBE0D42" month="01" value="1998-01" year="1998">Jan 1998</date>
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.
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</materialsCitation>
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-
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<materialsCitation id="07D2EF9166B1BE38E9EB81D9CF41407F" ID-GBIF-Occurrence="923892209" country="Gabon">
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<collectionCode id="A7D57018D638F6BD3520620BC40B5411" collectionName="USA, New York, New York, American Museum of Natural History">AMNH</collectionCode>
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<date id="7CE5CA0D4324EA9697017D15D7CC4711" day="23" month="07" value="07-07-23" year="07">230707</date>
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, 4 undet, cleared and stained, 32.0-41.2 mm SL,
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<collectingCountry id="33D8FBCA4CD7934F495C16DED166C447">Gabon</collectingCountry>
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: Ivindo system, small creek mouth emptying into Ivindo River, across from IRET field station,
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<geoCoordinate id="E94ED84EF5550C0A6DFB82460B3C62FA" direction="north" orientation="latitude" value="0.50427777">0°30’15.4”N</geoCoordinate>
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,
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<geoCoordinate id="D7DF03B2B8123EED4BFB79D4A1CDFA2E" direction="east" orientation="longitude" value="12.814556">12°48’52.4”E</geoCoordinate>
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, M.L.J. Stiassny et al.,
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<date id="1FD035503FA1FF78C52F4098C7AB8B62" month="01" value="1998-01" year="1998">Jan. 1998</date>
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.
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</materialsCitation>
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-
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<materialsCitation id="356A94A1172FB6DE309700433BBD89B8" ID-GBIF-Occurrence="923892211" country="Gabon">
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<collectionCode id="C2D845CAF4D2074306F319701EDD8294" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
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||
73-02-P-2147-150, 1 male, 2 females, 1 undet., 21.2-47.4 mm SL,
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<collectingCountry id="0AA17AE679B00AFC0E615B20A5C66CB0">Gabon</collectingCountry>
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||
: Ivindo system, route Makokou-Loloa, 3rd marigot, D.F.E.Thys van den Audenaerde,
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<date id="17B59EF884F514B7F2165670645822A3" month="11" value="1964-11" year="1964">Nov 1964</date>
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||
.
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||
</materialsCitation>
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-
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<materialsCitation id="480B6F9C76A415A07325437F2F2CCDDF" ID-GBIF-Occurrence="923892198" country="Cameroon">
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||
<collectionCode id="FED61A66FF350E739F5E2C86D080471A" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
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||
93-085-P-0334-0340, 3 males, 4 females, 30.0-45.4 mm SL,
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||
<collectingCountry id="8B4BB2F3590A3089BB3F54280D79B13A">Cameroon</collectingCountry>
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||
: Ntem system, riv.
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<normalizedToken id="BEDA94BD1D34247CE90AE35A7380307F" originalValue="Lé">Le</normalizedToken>
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||
, downstream of Abang-Minkoo, 2°20´N, 11°26´E, A. Kamden,
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||
<date id="90FE96B808B893D3CBFB0BF3B8B0D3A2" month="05" value="1993-05" year="1993">May 1993</date>
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||
.
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||
</materialsCitation>
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||
-
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||
<materialsCitation id="7ED593798124A6CAEE937019CF1EF909" ID-GBIF-Occurrence="923892199" country="Gabon">
|
||
<collectionCode id="E185E5794874BD57E906BD56DC5357AE" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
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||
A2-11-P-15, 1 male, 46.2 mm SL,
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||
<collectingCountry id="9EAF62637AD463AEA28F361423084813">Gabon</collectingCountry>
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||
: Ivindo system, tributary of riv. Aboy, route Makokou-Okondja, 0° 32´N, 12°56´E, A. Lamboj, R.
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<normalizedToken id="D9E92F2F4EE060FA89C231CFDA54447B" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
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||
, P. Sewer & A. Weissenbacher,
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||
<date id="658A65DEC80D5A146FFCCBB64700CF21" month="07" value="1995-07" year="1995">Jul 1995</date>
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||
.
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||
</materialsCitation>
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||
-
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<materialsCitation id="E22454DA48F45EA8611A0127753E40C6" ID-GBIF-Occurrence="923892200" country="Gabon">
|
||
<collectionCode id="8035CC94C9AC2A16FC32BB8C47920000" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
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||
A2-11-P-16, 1 female, 33.0 mm SL,
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||
<collectingCountry id="CA86D24365B6443D1499F639E078A165">Gabon</collectingCountry>
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||
: Ivindo system, little creek on route Makokou-Ovan, 7km from Makokou, 0°34´N, 12°45´E, A. Lamboj, R.
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||
<normalizedToken id="C28F86C7C1DF30F2D9F9CCCF97AF718A" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
|
||
, P. Sewer & A. Weissenbacher,
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||
<date id="B3ED988A92DD95D0A9578ECEFC46F515" month="07" value="1995-07" year="1995">Jul 1995</date>
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||
.
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||
</materialsCitation>
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||
-
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||
<materialsCitation id="56DEAF8BF7F5DBE7F8E19E90F4BABD2B" ID-GBIF-Occurrence="923892210" country="Gabon">
|
||
<collectionCode id="F88FB4BCAC65628236E615F5F3CF159A" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
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||
A2-11-P-17, 1 undet., 37.8 mm SL,
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||
<collectingCountry id="5CAFD76BBD95AB0691338F5ED2EED27D">Gabon</collectingCountry>
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||
: Ivindo system, Ngong-Bissoga, route Makokou-Ovan, at village Adoue, 0°31´N, 12°33´E, A. Lamboj, R.
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||
<normalizedToken id="488D4A94DA5EC6056A8AF2222AC26DE3" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
|
||
, P. Sewer & A. Weissenbacher,
|
||
<date id="B6B0C6F8171FE3A770A78E0D637359E5" month="07" value="1995-07" year="1995">Jul 1995</date>
|
||
.
|
||
</materialsCitation>
|
||
-
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||
<materialsCitation id="C5AADFBC2ADE54C9233B9E4A1D80BE0F" ID-GBIF-Occurrence="923892212" country="Gabon">
|
||
<collectionCode id="E7CEABAFF5D1295A5C230BBB72281D13" collectionName="Belgium, Tervuren, Musee Royal de l'Afrique Centrale">MRAC</collectionCode>
|
||
A2-011-P-18, 1 male, 51.2 mm SL,
|
||
<collectingCountry id="326C0BB93ECF3715370022F83DF38B0D">Gabon</collectingCountry>
|
||
: Ivindo system, tributary of riv. Aboy, route Makokou-Okondja, 0° 32´N, 12°56´E, A. Lamboj, R.
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||
<normalizedToken id="3CAD2E40E9D14DC0F5D13D5629945995" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
|
||
, P. Sewer & A. Weissenbacher,
|
||
<date id="DB919EBA2C0EABC4AB23334818A90BAE" month="07" value="1995-07" year="1995">Jul 1995</date>
|
||
.
|
||
</materialsCitation>
|
||
-
|
||
<materialsCitation id="82363B498C81C4719BE9C5987F7F604B" ID-GBIF-Occurrence="923892201" country="Gabon">
|
||
<collectionCode id="220391237209F386F327BDA91691AF5A" collectionName="United Kingdom, London, The Natural History Museum [formerly British Museum (Natural History)]">BMNH</collectionCode>
|
||
2002.8.8.4-6, 2 males, 1 undet., 38.4-48.6 mm SL,
|
||
<collectingCountry id="BFA74750F97A1AEF72AF5A6B7EAC4A68">Gabon</collectingCountry>
|
||
: Ivindo system, tributary of riv. Aboy, route Makokou-Okondja, 0° 32´N, 12°56´E, A. Lamboj, R.
|
||
<normalizedToken id="F45AFDAD964152D994B5F71ABEDA15A7" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
|
||
, P. Sewer & A. Weissenbacher,
|
||
<date id="1AC62BF75D72BF1F29E14A8F7C78177E" month="07" value="1995-07" year="1995">Jul 1995</date>
|
||
.
|
||
</materialsCitation>
|
||
-
|
||
<materialsCitation id="F2764AF1B10A5818BC5A4A4F6DE962FD" ID-GBIF-Occurrence="923892213" country="Gabon">
|
||
<collectionCode id="A9540005DF51255CE6AEFF694B0C1EEE" collectionName="Austria, Wien, Naturhistorisches Museum Wien">NMW</collectionCode>
|
||
94630, 3 females, 31.6-49.8 mm SL,
|
||
<collectingCountry id="562D59DDCCA529D5EE3C084AAF25D4C5">Gabon</collectingCountry>
|
||
: Ivindo system, riv. Zaidie, on bridge of road Makokou-La Scierie-Belinga, 0°44´N, 13°09´E, A. Lamboj, R.
|
||
<normalizedToken id="2C631E60EEFD246D936046ED9DBEDDBB" originalValue="Guggenbühl">Guggenbuehl</normalizedToken>
|
||
, P. Sewer & A. Weissenbacher,
|
||
<date id="8E3762B0B6DC34BAE9127375A726CE97" month="07" value="1995-07" year="1995">Jul 1995</date>
|
||
.
|
||
</materialsCitation>
|
||
-
|
||
<materialsCitation id="75E2239B313D1C570AE91413426F3CC6" ID-GBIF-Occurrence="923892208" country="Gabon">
|
||
<collectionCode id="E53E77B659568FDA643168C422ED5D24" collectionName="Switzerland, Geneva, Museum d'Histoire Naturelle">MHNG</collectionCode>
|
||
2640.27, 1 male, 1 undet, 29.4-40.9 mm SL, Djaddie system, marigot in the Djaddie, Mekambo, J.Gery,
|
||
<date id="ACF103D4219B2505C03309998988E87F" month="08" value="1964-08" year="1964">Aug 1964</date>
|
||
.
|
||
</materialsCitation>
|
||
-
|
||
<materialsCitation id="48C1E7FCCEE486E18F47D2499BE74BAE" ID-GBIF-Occurrence="923892206" country="Gabon">
|
||
<collectionCode id="8CB8FF9805B8EA600A203D95E085710B" collectionName="Switzerland, Geneva, Museum d'Histoire Naturelle">MHNG</collectionCode>
|
||
2640.28, 2 undet. 31.9-37.9 mm SL, Marigot, Djaddie at Mekambo, J.Gery,
|
||
<date id="19D2C553046D2DEBFB26A6E22E1A1F61" month="08" value="1964-08" year="1964">Aug 1964</date>
|
||
.
|
||
</materialsCitation>
|
||
-
|
||
<materialsCitation id="A74C2FAFE71C48F4DAEA670A8B613352" ID-GBIF-Occurrence="923892207" country="Gabon">
|
||
<collectionCode id="6D7A1B49126DF06E2CAC015DBC22382B" collectionName="USA, New York, Ithaca, Cornell University">CU</collectionCode>
|
||
87042, 2 males, 3 females, 33.2-40.4 mm SL,
|
||
<collectingCountry id="3F3A17DD2232953F47F4D5D7789E2531">Gabon</collectingCountry>
|
||
: Ivindo system, Small creek ca. 200m downstream of IRET station (on opposite side of river), 0°30´34”N, 12°48´33” E, M.L.J. Stiassny & E. Vreven,
|
||
<date id="1EF5ACEEF8D621A7FC400D8A8C4B4461" month="01" value="1998-01" year="1998">Jan. 1998</date>
|
||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="5BDC77AB4FB1CC451690600AAC86CD2D" type="diagnosis">
|
||
<paragraph id="C829FA9772DB5D1C02950296E71E38C7" pageNumber="8">
|
||
Differential Diagnosis.
|
||
<taxonomicName id="EB29429D54ADA1ECD4EDEA163A8805E3" LSID-ZBK="urn:lsid:zoobank.org:act:DA0D653B-428F-4F7D-9A78-A0D5ABEA62BE" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis brevirostris Lamboj & Stiassny 2003:7" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="brevirostris">Parananochromis brevirostris</taxonomicName>
|
||
is unique among congeners in the absence of scales on the chest and weakly developed, or absent, pharyngeal hanging pad. It is also readily distinguished from all congeners except
|
||
<taxonomicName id="FC850819C749773D618502265A2D6827" LSID-ZBK="urn:lsid:zoobank.org:act:8B5F6F14-0F12-48F5-A8AF-48E29B8ECF8E" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis ornatus Lamboj & Stiassny 2003:12" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="ornatus">P. ornatus</taxonomicName>
|
||
by the possession of 4 (versus 5) infraorbital bones.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="AF255D86D96A5778A4A27A7AD018AEB1" type="description">
|
||
<paragraph id="73C9F079706BE3401A6A1319C90C09DA" pageNumber="8">
|
||
Description. Measurements and meristic counts for
|
||
<typeStatus id="5C3B6B30CCA51A98BBC7B63D58DC87A1">holotype</typeStatus>
|
||
and 50
|
||
<typeStatus id="86EA5F9E4FE30A043A4B423E7AADD16B">paratypes</typeStatus>
|
||
are given in Table 2.
|
||
</paragraph>
|
||
<paragraph id="D1C2C76AB6B66ECA4D0F39E65D88726B" pageNumber="8">This is a diminutive species, the largest specimen is a mature male (51.2 mm SL), and the largest female is 38.2 mm SL with ripening eggs in its ovaries. Sexual dimorphism is well developed. Males are usually 20-30 % larger than females, with soft dorsal and anal fin rays more produced. The first ray of pelvic fin is usually the longest in the fin of both sexes, and is produced in males; in females the second ray may occasionally be slightly longer than first. The tips of pelvic fins in large males usually reach the anus. Lappets of spiny dorsal fin are elongated and pronounced, particularly so in males. The caudal fin is rounded in both sexes. Snout is short and rounded (length 19.2-31.3% HL), and the body gracile even in the largest specimens (depth 22.7-31.6% SL).</paragraph>
|
||
<paragraph id="A6D735353F93DD428AA7D26658A61B66" pageNumber="8">Osteology and dentition. Infraorbital series (Fig. 2b) with a plate-like first infraorbital followed by three 3 tubular elements. There is a large gap between the third infraorbital and a small fourth infraorbital. Infraorbital 1 with four openings of the laterosensory system. Usually 25 vertebrae, 12 precaudal and 13 caudal (26 vertebrae, 12 precaudal and 14 caudal in two individuals). Premaxilla and dentary with (2) 3-5 rows of numerous, acutely cusped, unicuspid teeth with little size difference between the teeth of inner and outer rows (Fig. 5). Lower pharyngeal bone narrowly triangular, with numerous, slender, shouldered unicuspid teeth on lateral parts of the bone and larger asymmetric bicuspid teeth in the central field.</paragraph>
|
||
<paragraph id="5F44FB66015D532BF39BC0CCBDE61745" pageNumber="10">Gill rakers on first gill arch. Lower limb with 5-8 tuberculate gill rakers, 2-4 pointed gill rakers on the epibranchial. No microbranchiospines are present. The hanging pad on roof of the pharynx is poorly developed or absent.</paragraph>
|
||
<paragraph id="76E4D448871C88C752C8914C8ED419C8" pageNumber="10">Squamation. Cycloid, cheek usually naked, occasionally with a single scale row, 3-4 horizontal scale rows on the opercle. Dark spot on outer edge of opercle is unscaled. Chest is naked. Upper lateral line is separated from dorsal-fin base at its highest point (8th pored scale) by 1-1½ scales, at last pored scale by 0-½ scales. No overlap between the end of the upper lateral line and the lower lateral line. Caudal fin scaled basally for about one third of its length; the other fins are unscaled.</paragraph>
|
||
<paragraph id="D480DDBAFA83C5837039D4AF919D7F41" pageNumber="11">Coloration. Living specimens (Figs. 6-9): Base body coloration is grey to light brown, darker dorsally than ventrally. Dark spot on the outer edge of opercle is extended anteriorly and posteriorly into a midlateral stripe. In males the soft dorsal fin and upper margin of the caudal fin have a narrow white border, in females these borders are red. In both sexes these fins have a thin black submarginal band. Soft-dorsal, caudal and posterior parts of the soft-anal fins in both sexes are clear or grey, with rows of dark maculae, which are always more marked in males than in females - females sometimes with immaculate fins. Anterior parts of the anal fin are violet to wine red in males and pale yellow or clear in females. Males with reddish coloration in the lower lobe of the caudal fin. Pelvic fins are pale yellow to reddish, with a dark anterior leading edge; all colorations are more marked in males than in females. Pectoral fins are clear. Sometimes a dark horizontal stripe is visible, passing from the snout through the eye, and extending onto the first third of the caudal fin. Occasionally this stripe is replaced by a row of black spots or blotches. Wellmarked interorbital, nostril, and lachrymal stripes are present on the head. Ripe females have a rosy to orange or violet belly. Lips are light grey to light brown. Body scales with dark margins on the whole body in males, in females such markings are restricted to the dorsal parts of the body.</paragraph>
|
||
<paragraph id="D0399DC0E750CD66CF880B2A197E0265" pageNumber="12">Preserved specimens (Fig. 4): Coloration of the head and body are brown, with the upper half darker than the ventral parts. A dark, midlateral stripe, is continuous from the eye (merging with the dark opercular spot) and extending onto the first third of the caudal fin. Unpaired fins are dusky grey or brownish. The soft-dorsal, soft-anal, and caudal fin membranes have rows of dark maculae.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F62299E3D91149840AE9367C121AC9A4" type="biology_ecology">
|
||
<paragraph id="D5F3BA4B344B747B3BCF6C4DCEBAB4FF" pageNumber="12">
|
||
Breeding behaviour. In aquaria a pair-bonding, cave-breeding species. For further information on breeding biology see Lamboj, (1999a, as
|
||
<taxonomicName id="70EBF1A8EC0C13E4223D01D55E681568" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="12" phylum="Chordata" rank="species" species="makokou">Parananochromis sp. “Makokou”</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="16C9E2CFF4D707DDFBB529C265F336A3" type="distribution">
|
||
<paragraph id="C2F67D2D95FFF9873AD41D67C0D864AD" pageNumber="12">Distribution (Fig. 3). Currently the species is known from scattered localities in the Ivindo and Ntem systems in eastern Gabon and southeastern Cameroon, and from the Ogowe system in the region of Ndjole in Western Gabon.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="4ACBC8F4FA57F18E90852A2A6A0855A1" type="etymology">
|
||
<paragraph id="EDFA5C08A159DFB6F7E43C3C6D9F212B" pageNumber="12">Etymology. From the Latin brevis, short and rostrum, beak or snout, in reference to the short, rounded snout of the species.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="1A2430BE91A05C6BB5BEBF8BE4702E76" type="discussion">
|
||
<paragraph id="7288D74E6DD12D527CB7F0093A7DC1A4" pageNumber="12">
|
||
Remarks. This diminutive species is found in abundance in the many small forest creeks and streams (marigots) of the Ivindo River system and is also recorded from the River
|
||
<normalizedToken id="6CDE3B1ACCE255E12716F222415711C5" originalValue="Lé">Le</normalizedToken>
|
||
, a small affluent of the Ntem in similar habitats. Specimens from the Menguengne River (Ogowe system) near the town of Ndjole in western Gabon have been collected and raised in aquaria (Figs 7,9), but not yet preserved. Individuals from the vicinity of Makokou were misidentified by
|
||
<normalizedToken id="145274A976C8BD00B72F4C87CF581057" originalValue="Géry">Gery</normalizedToken>
|
||
(1965) as
|
||
<taxonomicName id="C3A461726686B09E8F7A9C34ECC74B45" class="Actinopterygii" family="Cichlidae" genus="Nanochromis" kingdom="Animalia" order="Perciformes" pageNumber="12" phylum="Chordata" rank="species" species="dimidiatus">Nanochromis cf. dimidiatus</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |