103 lines
14 KiB
XML
103 lines
14 KiB
XML
<document id="98185AFEB1FF3657449CF8673FD826A0" 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="33613948585835A45820E9CC2E29F7EA" 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 Greenwood" docType="treatment" docVersion="14" lastPageNumber="2" masterDocId="45F923834D2E8121752C4D8344FA1583" masterDocTitle="Three new Parananochromis species (Teleostei, Cichlidae) from Gabon and Cameroon, Central Africa." masterLastPageNumber="19" masterPageNumber="1" pageNumber="1" updateTime="1701313851442" updateUser="plazi">
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<mods:title id="F893D69D8DCB4C79E585588960B81EA8">Three new Parananochromis species (Teleostei, Cichlidae) from Gabon and Cameroon, Central Africa.</mods:title>
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<mods:namePart id="61A9DBC11C7A0EEC650E2E6ED07A1DA6">Anton Lamboj</mods:namePart>
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<mods:roleTerm id="C36628D45898690D9895015A1B95B08D">Author</mods:roleTerm>
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<mods:namePart id="9C99F9B752293BDB1D060A75DAFBCE28">Melanie L. J. Stiassny</mods:namePart>
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<mods:title id="FE482CE845EE39E9BC71C3807B0CCC4A">Zootaxa</mods:title>
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<mods:date id="2CDD59E9F6EB4C12408DB97D5311FA09">2003</mods:date>
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<mods:number id="88531FB8A3850EC9DADC6F94EB108E6F">209</mods:number>
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<treatment id="33613948585835A45820E9CC2E29F7EA" ID-DOI="http://doi.org/10.5281/zenodo.6273820" ID-GBIF-Taxon="100123498" ID-Zenodo-Dep="6273820" LSID="urn:lsid:plazi:treatment:33613948585835A45820E9CC2E29F7EA" httpUri="http://treatment.plazi.org/id/33613948585835A45820E9CC2E29F7EA" lastPageNumber="2" pageNumber="1">
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<subSubSection id="31C4E7903BAA51A527F5B3FC735AEB82" type="nomenclature">
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<paragraph id="FA7F1CC3FC753489EBDD6D1E7782F4CC">
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[[
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<taxonomicName id="8946FFF0F3691042AEF0E4611C067275" ID-CoL="63LMK" ID-ENA="1543267" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Parananochromis Greenwood</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="BD9326BCA54DBFFCD46FF7AE787056F1" type="discussion">
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<paragraph id="49545C32B2995BD1866748B817250C87" lastPageNumber="2" pageNumber="1">
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The cichlid genus
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<taxonomicName id="EBBE0A62317E577850F3A95F04FAC0E8" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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was erected by Greenwood (1987) to accommodate three species formerly placed in
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<taxonomicName id="494A7FBFD352F4FF5B27984D34B10149" class="Actinopterygii" family="Cichlidae" genus="Pelmatochromis" kingdom="Animalia" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Pelmatochromis</taxonomicName>
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and
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<taxonomicName id="F1C9894076581485EEA066DCF758D002" LSID-ZBK="urn:lsid:zoobank.org:act:C773E33B-0CFA-459E-9DB7-5832CC9E7DF6" class="Actinopterygii" family="Cichlidae" genus="Nanochromis" kingdom="Animalia" lsidName-ZBK="Nanochromis Pellegrin 1904:(163) 273" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Nanochromis</taxonomicName>
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. These species were
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<taxonomicName id="65AD1A4804F3A9FD3EB8E13D8A8A9CAC" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="1" phylum="Chordata" rank="species" species="longirostris">P. longirostris (Boulenger, 1903)</taxonomicName>
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designated as the type of
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<taxonomicName id="2B64FB4EC33D61EEA05491E8FD98C7CA" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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,
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<taxonomicName id="45EAB8516BFC3E3BA368F948EE939AEF" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="1" phylum="Chordata" rank="species" species="caudifasciatus">P. caudifasciatus (Boulenger, 1913)</taxonomicName>
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, and
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<taxonomicName id="9D6C4803BE0333F1BF0D52B3E03BDE6F" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="1" phylum="Chordata" rank="species" species="gabonicus">P. gabonicus (Trewavas, 1975)</taxonomicName>
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. Although the precise relationships of this taxon remain problematical our current understanding is that
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<taxonomicName id="2B1C24C85AF313138148BFA229D57591" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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belongs to the chromidotilapiine lineage. This assemblage currently comprises seven genera united by the possession of several derived anatomical features, including the presence of a visor-like pad on the roof of the buccopharynx just anterior to the upper pharyngeal bones, tuberculate gill-rakers on the outer row of the first gill arch, and the absence of microbranchiospines on the second to fourth gill arches (Greenwood 1987; Stiassny 1991).
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<taxonomicName id="F928D069185C4172736FF22CC1DCAA3F" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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are readily distinguished from the chromidotilapiine genera
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<taxonomicName id="47CBFB96244811802430AFC864A21146" LSID-ZBK="urn:lsid:zoobank.org:act:90E88107-7120-4DD1-91F8-53E8C5EB3FB8" class="Actinopterygii" family="Cichlidae" genus="Thysochromis" kingdom="Animalia" lsidName-ZBK="Thysochromis Daget 1988:97" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Thysochromis</taxonomicName>
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,
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<taxonomicName id="6890CA2B9E2DBE2E0845C551D7CD300F" LSID-ZBK="urn:lsid:zoobank.org:act:36A3F9DD-B101-412B-A3DB-29C6923B5F0C" class="Actinopterygii" family="Cichlidae" genus="Chromidotilapia" kingdom="Animalia" lsidName-ZBK="Chromidotilapia Boulenger 1898:151" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Chromidotilapia</taxonomicName>
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,
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<taxonomicName id="20AFED30853454CB22C1454F4BB84CE6" class="Actinopterygii" family="Cichlidae" genus="Pelvicachromis" kingdom="Animalia" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Pelvicachromis</taxonomicName>
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, and
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<taxonomicName id="A38E8BAC1CFA15E9A60629821BBE12B8" LSID-ZBK="urn:lsid:zoobank.org:act:1A6BE0F6-1AEF-40AB-AFEC-2143FAF7865C" class="Actinopterygii" family="Cichlidae" genus="Benitochromis" kingdom="Animalia" lsidName-ZBK="Benitochromis Lamboj 2001:17" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Benitochromis</taxonomicName>
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by the possession of 12 circumpeduncular scales (versus 15-16), from
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<taxonomicName id="7670332A299D1643FE63B0B66E61F161" LSID-ZBK="urn:lsid:zoobank.org:act:B98FBA6E-545D-427C-A04F-349B683BC728" class="Actinopterygii" family="Cichlidae" genus="Divandu" kingdom="Animalia" lsidName-ZBK="Divandu Lamboj & Snoeks 2000:356" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Divandu</taxonomicName>
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by the presence of 4 openings of the laterosensory system in the first infraorbital bone (versus 5 in
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<taxonomicName id="CE3C4915A44328A7F75011D3765C637D" LSID-ZBK="urn:lsid:zoobank.org:act:B98FBA6E-545D-427C-A04F-349B683BC728" class="Actinopterygii" family="Cichlidae" genus="Divandu" kingdom="Animalia" lsidName-ZBK="Divandu Lamboj & Snoeks 2000:356" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Divandu</taxonomicName>
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), and from
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<taxonomicName id="386DB5C7C8F559E9EC4F5D3B559482B1" LSID-ZBK="urn:lsid:zoobank.org:act:C773E33B-0CFA-459E-9DB7-5832CC9E7DF6" class="Actinopterygii" family="Cichlidae" genus="Nanochromis" kingdom="Animalia" lsidName-ZBK="Nanochromis Pellegrin 1904:(163) 273" order="Perciformes" pageNumber="1" phylum="Chordata" rank="genus">Nanochromis</taxonomicName>
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(the only other chromidotilapiine genus with a Haplochromis-type rather than a Tilapia-type of neurocranial apophysis) by the configuration of the infraorbital series and lateral line.
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</paragraph>
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<paragraph id="A02AC2699EE887D53673A55FE2F39389" pageNumber="2">
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Shortly after Greenwood´s (1987) paper was published two
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<taxonomicName id="007A628E5C21DC27478AC7A9D41B71CA" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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species, unassignable to any described species, were collected from localities in the Ivindo River, a large black water tributary of the Ogowe River, Gabon. One was collected in the vicinity of Belinga (Numrich & Wunderlich, 1988), and the second from Makokou (Lamboj, 1988). Aquarists raised both species and information on behaviour and reproductive biology has since appeared in the aquarium hobbyist literature (e.g., Lamboj 1999a, Linke & Staeck 2002) under the names
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<taxonomicName id="54A062984588348423EB6E980C100657" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="2" phylum="Chordata" rank="species" species="belinga">Parananochromis sp. “Belinga”</taxonomicName>
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and
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<taxonomicName id="97A133DBEC56C07D2BE9262E0FB22F8E" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" order="Perciformes" pageNumber="2" phylum="Chordata" rank="species" species="makokou">Parananochromis sp. “Makokou”</taxonomicName>
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. Between 1995 and 2002, as part of an ongoing effort to document the ichthyofauna of the Lower Guinean ichthyofaunal province (Cameroon, Rio Muni, Gabon and Congo-Brazzaville), numerous additional collections were made throughout the region, and examination of these as well as historical collections have led to a better understanding of the distribution of these two undescribed species. Additionally, recent collections in the region of Makokou, and historical material from a nearby locality, have revealed the presence there of a third undescribed
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<taxonomicName id="E3DE4F8CE9E85E9365E79B9AE127C52C" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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species.
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</paragraph>
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<paragraph id="03E8696E7AFD8139BA14612AC328A0BC" pageNumber="2">
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In the past five years numerous new cichlid taxa have been described from the Lower Guinean icthyofaunal province (see e.g., Lamboj 1999b, 2001, 2002, 2003; Lamboj & Snoeks, 2000; Schliewen & Stiassny, 2003), and many more remain to be described. Among these are the three
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<taxonomicName id="055FEB429B50A4E7D0C9CF7EA52DD382" LSID-ZBK="urn:lsid:zoobank.org:act:6D8CF662-71F9-4EC2-879B-BBB6C7EE1AC8" class="Actinopterygii" family="Cichlidae" genus="Parananochromis" kingdom="Animalia" lsidName-ZBK="Parananochromis Greenwood 1987:174" order="Perciformes" pageNumber="2" phylum="Chordata" rank="genus">Parananochromis</taxonomicName>
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species mentioned above, which we herein describe.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |