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<document id="66DBB5DF372C8CEB09780E7A9A852220" ID-CLB-Dataset="39230" ID-DOI="10.11646/zootaxa.4059.1.7" ID-GBIF-Dataset="32538540-a7e1-4927-918a-cce0668d7a0b" ID-ISSN="1175-5326" ID-Zenodo-Dep="246088" ID-ZooBank="0640DB20-130E-43E8-B1EC-58C43CAEBFCE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461361140653" checkinUser="plazi" docAuthor="Iwatsuki, Yukio &amp; Heemstra, Phillip C." docDate="2015" docId="03C787C5AF4AFFCEFF42FC9EFA0047F4" docLanguage="en" docName="zt04059p150.pdf" docOrigin="Zootaxa 4059 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Polysteganus" docType="key" docVersion="10" lastPageNumber="147" masterDocId="FFFEFFBDAF44FFC0FFD5FFF5FF9B410F" masterDocTitle="Redescriptions of Polysteganus coeruleopunctatus (Klunzinger 1870) and P. lineopunctatus (Boulenger 1903), with two new species from Western Indian Ocean" masterLastPageNumber="150" masterPageNumber="133" pageNumber="147" updateTime="1698661813011" updateUser="ExternalLinkService">
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<mods:title id="E585F8A85D2EBC05CE10B5534C595241">Redescriptions of Polysteganus coeruleopunctatus (Klunzinger 1870) and P. lineopunctatus (Boulenger 1903), with two new species from Western Indian Ocean</mods:title>
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<mods:namePart id="C40B05C4FF29B0781A4E16F48725225C">Iwatsuki, Yukio</mods:namePart>
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<mods:namePart id="B48CEFBAFEFBB30AE26F46ED0B8227EA">Heemstra, Phillip C.</mods:namePart>
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<mods:title id="9FD99C222F76E36B269D5DFAA83E14B5">Zootaxa</mods:title>
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<treatment id="03C787C5AF4AFFCEFF42FC9EFA0047F4" ID-DOI="http://doi.org/10.5281/zenodo.5631607" ID-GBIF-Taxon="119648226" ID-Zenodo-Dep="5631607" LSID="urn:lsid:plazi:treatment:03C787C5AF4AFFCEFF42FC9EFA0047F4" httpUri="http://treatment.plazi.org/id/03C787C5AF4AFFCEFF42FC9EFA0047F4" lastPageNumber="147" pageId="14" pageNumber="147">
<subSubSection id="C3746558AF4AFFCEFF42FC9EFCA9428A" box="[151,818,874,901]" pageId="14" pageNumber="147" type="nomenclature">
<paragraph id="8BD136D3AF4AFFCEFF42FC9EFCA9428A" blockId="14.[151,818,874,901]" box="[151,818,874,901]" pageId="14" pageNumber="147">
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Key to species of the
<taxonomicName id="4C6E4D50AF4AFFCEFE49FC9FFDA0428B" ID-CoL="63P7C" ID-ENA="119735" box="[412,571,874,900]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="genus">
<emphasis id="B91AEAC1AF4AFFCEFE49FC9FFDA0428B" bold="true" box="[412,571,874,900]" italics="true" pageId="14" pageNumber="147">Polysteganus</emphasis>
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from Indian Ocean
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<paragraph id="8BD136D3AF4AFFCEFF42FC45FA0742EC" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
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1a Large oval dark blotch on lateral line below 5th and 6th dorsal-fin spines in adults, but no dark blotch in
<quantity id="4C969B36AF4AFFCEFB07FC45FA9A42C9" box="[1234,1281,944,966]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="14" pageNumber="147" unit="cm" value="9.0">9 cm</quantity>
juveniles; body with 4 or 5 wide blue stripes (more than 1/3 width of black pupil diameter)..............................
<taxonomicName id="4C6E4D50AF4AFFCEFAF6FC3BFA0742EC" ID-CoL="4LMFM" box="[1315,1436,974,995]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="undulosus">
<emphasis id="B91AEAC1AF4AFFCEFAF6FC3BFA0742EC" box="[1315,1436,974,995]" italics="true" pageId="14" pageNumber="147">P. undulosus</emphasis>
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<paragraph id="8BD136D3AF4AFFCEFF42FC1EFA004511" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FC1EFA004511" pageId="14" pageNumber="147">1b No dark blotch on lateral body; 7 or 8 narrow blue stripes (less than 1/4 width of black pupil diameter) or lines of blue spots on body if present....................................................................................... 2a</keyLead>
</paragraph>
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<keyStep id="309A2E76AF4AFFCEFF42FBD3FA004556" pageId="14" pageNumber="147">
<paragraph id="8BD136D3AF4AFFCEFF42FBD3FA0E4534" blockId="14.[151,1436,944,1788]" box="[151,1429,1062,1084]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FBD3FA0E4534" box="[151,1429,1062,1084]" pageId="14" pageNumber="147">
2a Greatest body depth at preopercle vertical edge; lower-limb gill-rakers 1416.........................
<taxonomicName id="4C6E4D50AF4AFFCEFAD5FBD3FA0E4534" ID-CoL="4LMFL" box="[1280,1429,1062,1083]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="praeorbitalis">
<emphasis id="B91AEAC1AF4AFFCEFAD5FBD3FA0E4534" box="[1280,1429,1062,1083]" italics="true" pageId="14" pageNumber="147">P. praeorbitalis</emphasis>
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<keyLead id="309F95E6AF4AFFCEFF42FBB6FA004556" box="[151,1435,1091,1113]" pageId="14" pageNumber="147">2b Greatest body depth at pectoral-fin base; lower-limb gill-rakers 1013............................................ 3</keyLead>
</paragraph>
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<keyStep id="309A2E76AF4AFFCEFF42FB95FA00459B" pageId="14" pageNumber="147">
<paragraph id="8BD136D3AF4AFFCEFF42FB95FA074579" blockId="14.[151,1436,944,1788]" box="[151,1436,1120,1142]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FB95FA074579" box="[151,1436,1120,1142]" pageId="14" pageNumber="147">
3a Body with 7 or 8 longitudinal blue stripes..........................................................
<taxonomicName id="4C6E4D50AF4AFFCEFAE0FB94FA074579" ID-CoL="4LMFB" box="[1333,1436,1121,1142]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="baissaci">
<emphasis id="B91AEAC1AF4AFFCEFAE0FB94FA074579" box="[1333,1436,1121,1142]" italics="true" pageId="14" pageNumber="147">P. baissaci</emphasis>
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<paragraph id="8BD136D3AF4AFFCEFF42FB8BFA00459B" blockId="14.[151,1436,944,1788]" box="[151,1435,1150,1172]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FB8BFA00459B" box="[151,1435,1150,1172]" pageId="14" pageNumber="147">3b No longitudinal blue stripes or lines of blue spots on body..................................................... 4</keyLead>
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</keyStep>
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4a Caudal fin weakly forked, nearly truncate if widely spread; distinct bony bulge before and above eye in specimens about
<quantity id="4C969B36AF4AFFCEFAB4FB6EFA0045BE" box="[1377,1435,1179,1201]" metricMagnitude="-1" metricUnit="m" metricValue="6.0" pageId="14" pageNumber="147" unit="cm" value="60.0">60 cm</quantity>
SL (bulge probably not apparent in juveniles); body reddish orange, without lines of blue spots...........
<taxonomicName id="4C6E4D50AF4AFFCEFB2DFB4CFA0045C1" ID-CoL="4LMFK" box="[1272,1435,1209,1230]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="mascarenensis">
<emphasis id="B91AEAC1AF4AFFCEFB2DFB4CFA0045C1" box="[1272,1435,1209,1230]" italics="true" pageId="14" pageNumber="147">P. mascarenensis</emphasis>
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<paragraph id="8BD136D3AF4AFFCEFF42FB23FA004406" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FB23FA004406" pageId="14" pageNumber="147">4b Caudal fin forked; no strong bony bulge both before and above eye; body reddish yellow often with clear irregular lines of blue spots................................................................................................ 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="309A2E76AF4AFFCEFF42FAE5FA004493" pageId="14" pageNumber="147">
<paragraph id="8BD136D3AF4AFFCEFF42FAE5FA07446E" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FAE5FA07446E" pageId="14" pageNumber="147">
5a Scale rows between 5th dorsal fin spine and lateral line 4½; no irregular lines of blue spots; rear margin of membrane of branchiostegal rays yellow, plus yellow color on a few body scales just above upper pectoral-fin base................................................................................................... ..
<taxonomicName id="4C6E4D50AF4AFFCEFBABFAB9FAFB446E" ID-CoL="4LMFD" box="[1150,1376,1356,1377]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="cerasinus" status="sp. nov.">
<emphasis id="B91AEAC1AF4AFFCEFBABFAB9FAFB446E" box="[1150,1376,1356,1377]" italics="true" pageId="14" pageNumber="147">Polysteganus cerasinus</emphasis>
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<emphasis id="B91AEAC1AF4AFFCEFAB3FABEFA07446E" bold="true" box="[1382,1436,1355,1377]" pageId="14" pageNumber="147">
<taxonomicNameLabel id="A22957BAAF4AFFCEFAB3FABEFA07446E" box="[1382,1436,1355,1377]" pageId="14" pageNumber="147" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="8BD136D3AF4AFFCEFF42FA9DFA004493" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FA9DFA004493" pageId="14" pageNumber="147">5b Scale rows between the 5th dorsal fin spine and lateral line 5½7½; no or 78 irregular lines of blue spots; rear margin of membrane of branchiostegal rays white (not yellow).......................................................... 6</keyLead>
</paragraph>
</keyStep>
<keyStep id="309A2E76AF4AFFCEFF42FA56FA00471E" pageId="14" pageNumber="147">
<paragraph id="8BD136D3AF4AFFCEFF42FA56FA0D44D8" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FA56FA0D44D8" pageId="14" pageNumber="147">
6a Blue iridescence in each body scale on dorsal and lateral sides of body visible at some angles, and no irregular lines of blue spots; upper caudal-fin lobe yellow, lower red.....................................
<taxonomicName id="4C6E4D50AF4AFFCEFB83FA34FAC244D9" ID-CoL="4LMFG" box="[1110,1369,1473,1494]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="flavodorsalis" status="sp. nov.">
<emphasis id="B91AEAC1AF4AFFCEFB83FA34FAC244D9" box="[1110,1369,1473,1494]" italics="true" pageId="14" pageNumber="147">Polysteganus flavodorsalis</emphasis>
</taxonomicName>
<emphasis id="B91AEAC1AF4AFFCEFAB5FA34FA0D44D8" bold="true" box="[1376,1430,1473,1495]" pageId="14" pageNumber="147">
<taxonomicNameLabel id="A22957BAAF4AFFCEFAB5FA34FA0D44D8" box="[1376,1430,1473,1495]" pageId="14" pageNumber="147" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</keyLead>
</paragraph>
<paragraph id="8BD136D3AF4AFFCEFF42FA2BFA00471E" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42FA2BFA00471E" pageId="14" pageNumber="147">6b No blue iridescence in body scales on dorsal and lateral side; 7 or 8 irregular lines of blue spots on body, visible at some angles; both caudal-fin lobes with pink or red membranes...................................................... 7</keyLead>
</paragraph>
</keyStep>
<keyStep id="309A2E76AF4AFFCEFF42F9ECFA0047F4" pageId="14" pageNumber="147">
<paragraph id="8BD136D3AF4AFFCEFF42F9ECFA004789" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42F9ECFA004789" pageId="14" pageNumber="147">
7a Scale rows above lateral line 6½; pored lateral-line scales 51 or 52; 7 or 8 faint irregular lines of blue spots on body, visible at some angles; dorsal-fin rays reddish pink but with no bright yellow upper margin; canines large, both upper and lower canines on both jaws usually visible even when mouth closed; body deeper, 4446% (mean 44%) of SL (
<figureCitation id="13552A56AF4AFFCEFB5CF9A6FB534766" box="[1161,1224,1619,1641]" captionStart="FIGURE 1" captionStartId="3.[151,250,1925,1947]" captionTargetBox="[188,1398,543,1903]" captionTargetId="figure@3.[188,1398,543,1904]" captionTargetPageId="3" captionText="FIGURE 1. Polysteganus coeruleopunctatus A and P. lineopunctatus (B). A), HUJF 20120, 226 mm SL, Eilat, Israel, Red Sea, photographed by D. Golani; B), SAIAB 82139, Mozambique, southwestern Indian Ocean (21 ° 35 ' S, 35 ° 32.3 ' E), photographed by O. Alvheim." httpUri="https://zenodo.org/record/246089/files/figure.png" pageId="14" pageNumber="147">Figs. 1</figureCitation>
A, 2A)...............................................................................................
<taxonomicName id="4C6E4D50AF4AFFCEFB07F984FA004789" ID-CoL="4LMFF" box="[1234,1435,1649,1670]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="coeruleopunctatus">
<emphasis id="B91AEAC1AF4AFFCEFB07F984FA004789" box="[1234,1435,1649,1670]" italics="true" pageId="14" pageNumber="147">P. coeruleopunctatus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8BD136D3AF4AFFCEFF42F97BFA0047F4" blockId="14.[151,1436,944,1788]" pageId="14" pageNumber="147">
<keyLead id="309F95E6AF4AFFCEFF42F97BFA0047F4" pageId="14" pageNumber="147">
7b Scale rows above lateral line 7½; pored lateral-line scales 5355; 7 or 8 distinct irregular lines of blue spots on body (often present even in preserved specimens); dorsal-fin rays reddish pink or orangish red with bright yellow upper margin; canines somewhat smaller, generally only upper canines visible when mouth closed; body somewhat slender, 4043% (mean 42%) of SL (
<figureCitation id="13552A56AF4AFFCEFEDFF913FED147F3" box="[266,330,1766,1788]" captionStart="FIGURE 1" captionStartId="3.[151,250,1925,1947]" captionTargetBox="[188,1398,543,1903]" captionTargetId="figure@3.[188,1398,543,1904]" captionTargetPageId="3" captionText="FIGURE 1. Polysteganus coeruleopunctatus A and P. lineopunctatus (B). A), HUJF 20120, 226 mm SL, Eilat, Israel, Red Sea, photographed by D. Golani; B), SAIAB 82139, Mozambique, southwestern Indian Ocean (21 ° 35 ' S, 35 ° 32.3 ' E), photographed by O. Alvheim." httpUri="https://zenodo.org/record/246089/files/figure.png" pageId="14" pageNumber="147">Figs. 1</figureCitation>
B, 2B)........................................................................
<taxonomicName id="4C6E4D50AF4AFFCEFB22F913FA0047F4" ID-CoL="4LMFH" box="[1271,1435,1766,1787]" class="Actinopterygii" family="Sparidae" genus="Polysteganus" kingdom="Animalia" order="Perciformes" pageId="14" pageNumber="147" phylum="Chordata" rank="species" species="lineopunctatus">
<emphasis id="B91AEAC1AF4AFFCEFB22F913FA0047F4" box="[1271,1435,1766,1787]" italics="true" pageId="14" pageNumber="147">P. lineopunctatus</emphasis>
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