treatments-xml/data/59/BF/D7/59BFD72FA89ED1700BFC9D4930DB5222.xml

<document id="86AE41710C4303CFA2776CB481ADB4E3" ENCODING="UTF-8" ID-GBIF-Dataset="a7d8b32e-84ec-457d-9620-ce9faddd44e3" ModsDocID="z00432p001" checkinTime="1247046857294" checkinUser="thomas" docAuthor="Randall D. Mooi &amp; Anthony C. Gill" docDate="2004" docId="59BFD72FA89ED1700BFC9D4930DB5222" docLanguage="en" docName="2004_Mooi_Gill_gg2.xml" docOrigin="Zootaxa 432" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:232E7835-569F-4591-9DE6-A2B41BA4201D" docTitle="Acanthoplesiops naka Mooi &amp; Gill, 2004, sp. n." docType="treatment" docUuid="BA956CAD-1DE2-444D-A881-D57602011148" docUuidSource="ZooBank" docVersion="14" lastPageNumber="8" masterDocId="8D9972F19EAC3EB01B6225107C22F5C5" masterDocTitle="Description of a new species of the fish genus Acanthoplesiops Regan (Teleostei: Plesiopidae: Acanthoclininae) from Tonga." masterLastPageNumber="10" masterPageNumber="1" pageNumber="3" updateTime="1701313951316" updateUser="plazi">
<mods:mods id="C4D19570B3C3AE5A9B3760C96D30A41B" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="5972B5827BF79B331428D6A504BDAD9B">
<mods:title id="CB2615A2F227FC7198974848F63CF8FA">Description of a new species of the fish genus Acanthoplesiops Regan (Teleostei: Plesiopidae: Acanthoclininae) from Tonga.</mods:title>
</mods:titleInfo>
<mods:name id="7E68B606643CC4C922FD952316FEF84A" type="personal">
<mods:role id="36E11A6259D1BDBF75AC67D439CB4B16">
<mods:roleTerm id="4221A12301A35FBCC801180ACD415A44">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="A1F9D9DBE1F5A5620F691287B744E1E0">Randall D. Mooi</mods:namePart>
</mods:name>
<mods:name id="60F1597CA89D24B703CE645C14488304" type="personal">
<mods:role id="578312190DBDB20A9F3EC1DBBBADC559">
<mods:roleTerm id="0D0E63495A6FB19E40D744D3AC80A4E7">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="0BB8EF624AE70680CB5A2917D041E638">Anthony C. Gill</mods:namePart>
</mods:name>
<mods:typeOfResource id="F2ACC12CB1C13E200FE80167D3A6EFF8">text</mods:typeOfResource>
<mods:relatedItem id="CE6C74BF788E318195BB3A2F2F5DD6A0" type="host">
<mods:titleInfo id="C320E5AF57D5D61F57FC42C6DD4E9BD2">
<mods:title id="E11C5BB8E70E61EA62F56114A0E2606F">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="100C4E84735F36E2524406C43B4F6D97">
<mods:date id="5975A04D6211443D91CB7A7D5EEC8618">2004</mods:date>
<mods:detail id="7F869E6AC208AC28EB85CAB8B70FE6F9" type="volume">
<mods:number id="B95F2E1215C0867B5C824B26E3F6BB1F">432</mods:number>
</mods:detail>
<mods:extent id="A24A4AD34D8A8A0663A850D6DCBA8B56" unit="page">
<mods:start id="E593639560153F46FCFD7C78C35C6119">1</mods:start>
<mods:end id="F4EF3233ED7B209D449DA574D955E7EF">10</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="23AC60E4DF58B56A4C9D63B2ED49D64B">
<mods:url id="D518B00F06B446A10979494B4CBE4C28">http://www.zoobank.org/urn:lsid:zoobank.org:pub:232E7835-569F-4591-9DE6-A2B41BA4201D</mods:url>
</mods:location>
<mods:classification id="08C656514EB344A958DE1880FEFFA2DC">journal article</mods:classification>
<mods:identifier id="73B803B3395FD7B70ED9A5A8D0855EE5" type="Plazi-Custom">z00432p001</mods:identifier>
<mods:identifier id="8194486B01FA5CE4A5C5A002808C9196" type="ZooBank">232E7835-569F-4591-9DE6-A2B41BA4201D</mods:identifier>
</mods:mods>
<treatment id="59BFD72FA89ED1700BFC9D4930DB5222" ID-DOI="http://doi.org/10.5281/zenodo.6270686" ID-GBIF-Taxon="100124369" ID-Zenodo-Dep="6270686" LSID="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" httpUri="http://treatment.plazi.org/id/59BFD72FA89ED1700BFC9D4930DB5222" lastPageNumber="8" pageNumber="3">
<subSubSection id="07857CB211FD37454ED21FC8641F2188" type="nomenclature">
<paragraph id="00907712490D538F7D176810AA4FBB23" pageNumber="3">
<taxonomicName id="7D7DADA2AC7D59AB8DB4E5DAAE7AC1B6" ID-CoL="8ZFY" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="3" phylum="Chordata" rank="species" species="naka">Acanthoplesiops naka</taxonomicName>
<taxonomicNameLabel id="5770BF322B5879CE6FB4B5711E0336E4" rank="species">sp. n.</taxonomicNameLabel>
</paragraph>
<paragraph id="E54CD4AC96040B0AA299874404E3D749" pageNumber="3">Tongan Spiny Basslet</paragraph>
</subSubSection>
<subSubSection id="D16789CA6C0A89C3D3BBBE10FB2EF37E" type="description">
<paragraph id="10CFBCFADF974B7AC9A7B4B3FCD9C6F5" pageNumber="3">Figures 1-2, Table 1</paragraph>
</subSubSection>
<subSubSection id="6503576307C8090226815C9F04C88DC7" type="nomenclature">
<paragraph id="11415E0A7ABAA01DCA6AA5FAC422DA5A" pageNumber="3">
<materialsCitation id="AC48DD1EC85BAD78DEF162580EE0EBF3" ID-GBIF-Occurrence="923902098" collectingDate="1993-11-12" collectingMethod="rotenone and dipnet" collectionCode="USNM" collectorName="J.T. Williams, B.B. Collette, G.D. Johnson, D.G. Smith, C.C. Baldwin, E.A. Powers et al." country="Tonga" latitude="-19.604168" location="Ha’Apai Group, Ofolanga Island, deep reef slope and wall off SW side of island, near vertical coral wall with sandy channel at base and steep dropoff at end, 70-105 ft (21-32 m)" longitude="-174.47083" specimenCode="USNM 327794, field number JTW 93-30" typeStatus="Holotype">
<typeStatus id="37AC7E6B8F02E007D47F931DD6A70727">Holotype</typeStatus>
. 
<specimenCode id="E5A4DBEC22C826D3DACA5484CCE71134">
<collectionCode id="365FDF8300A71A1A9D4DD64A053AEF3C" collectionName="USA, Washington D.C., National Museum of Natural History, [formerly, United States National Museum]">USNM</collectionCode>
327794
</specimenCode>
, 9.9 mm SL, 
<collectingCountry id="55E0C0D7865D40E34CC612FA31086A61">Tonga</collectingCountry>
, 
<location id="E35A7251A81413EB3EB136E24D7299CB" LSID="urn:lsid:plazi:treatment:59BFD72FA89ED1700BFC9D4930DB5222:E35A7251A81413EB3EB136E24D7299CB" country="Tonga" latitude="-19.604168" longitude="-174.47083" name="Ha’Apai Group, Ofolanga Island">Ha’Apai Group, Ofolanga Island</location>
, 
<geoCoordinate id="8B128E439CC8DEFAABD2E7A5DC791390" direction="south" orientation="latitude" value="-19.604168">19°36'15”S</geoCoordinate>
<geoCoordinate id="1BC6152DBA7BE1A156B6DD780277657B" direction="west" orientation="longitude" value="-174.47083">174°28'15”W</geoCoordinate>
, 
<location id="00918E2DFB24505023417F0020CC96C0" LSID="urn:lsid:plazi:treatment:59BFD72FA89ED1700BFC9D4930DB5222:00918E2DFB24505023417F0020CC96C0" country="Tonga" latitude="-19.604168" longitude="-174.47083" name="deep reef slope and wall off SW side of island, near vertical coral wall with sandy channel at base and steep dropoff at end, 70-105 ft (21-32 m)">deep reef slope and wall off SW side of island, near vertical coral wall with sandy channel at base and steep dropoff at end, 70-105 ft (21-32 m)</location>
, 
<collectorName id="48625A8BE36716DCE84170D3C6D8B38A">J.T. Williams, B.B. Collette, G.D. Johnson, D.G. Smith, C.C. Baldwin, E.A. Powers, et al.</collectorName>
, 
<collectingMethod id="A3E34D70C4107D6303FA499E123EA377">rotenone and dipnet</collectingMethod>
, 
<collectingDate id="02F8D8BC8F4F10937CC6DBF1D75ACBEE" day="12" month="11">
12 
<collectingDate id="BAB36005BABD6E5BB6AAC6A92B0E3F64" month="11" value="1993-11" year="1993">Nov 1993</collectingDate>
</collectingDate>
(
<specimenCode id="5CD182B3E723D7F706FB3D0726C97A78">field number JTW 93-30</specimenCode>
).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="A9BF6E464702AA6AAEFC3763FFCFF002" type="diagnosis">
<paragraph id="461F89C1FCE41E5406897D87CAD0E4F6" pageNumber="3">
Diagnosis. A species of 
<taxonomicName id="1CCF0B32EA6EF031DFC33BAB84B65D39" LSID-ZBK="urn:lsid:zoobank.org:act:1FBBEB5D-AE2A-469D-8189-43AEF16A1C2A" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops Regan 1912:266" order="Perciformes" pageNumber="3" phylum="Chordata" rank="genus">Acanthoplesiops</taxonomicName>
with the following combination of characters: dorsal-fin rays XVIII,4; anterior dorsal-fin pterygiophore formula?/?/I+I/I/I/I/I//I/I/I; 3 dentary pores; 2 intertemporal pores; head and body generally brownish with darker pigment spots (from shrunken melanophores), excepting a pale stripe from the anterior half of the symphyseal flap to origin of dorsal fin continuous with a pale first dorsal spine, a pale spot on the pectoral-fin base, and a pale caudal peduncle continuous with pale bases of last 3 segmented dorsal- and anal-fin rays, median fins slightly darker than body colour with pale tips to their rays, pectoral fin hyaline with darker outlines to rays, pelvic-fin spine dark with pale tip, first pelvic-fin ray dark on proximal two-thirds and pale on distal third, second pelvic-fin ray dark except for extreme distal tip; regular ctenoid scales; no membranous attachment of last dorsal- or anal-fin rays to caudal fin.
</paragraph>
</subSubSection>
<subSubSection id="96794861A934D1F76CBC131C39C31A53" type="description">
<paragraph id="0FA3D3A9A657C71F3031D77D63ECED03" pageNumber="5">Description. Dorsal-fin rays XVIII,4, first two segmented rays branched; number of supraneurals not discernible from x-rays, anterior dorsal-fin pterygiophore formula?/?/ I+I/I/I/I/I//I/I/I; anal-fin rays VII,4, first two segmented rays branched; pectoral-fin rays 16; pelvic-fin rays I,2, inner segmented ray unbranched; segmented caudal-fin rays 8 + 8, and 2 dorsal and 2 ventral procurrent rays. Caudal fin not connected by membrane to last ray of dorsal and anal fins. Vertebrae 13+14 = 27; ribs present to at least the 12th precaudal vertebrae; epineural bones present to at least 12th precaudal vertebrae. Individual elements of caudal skeleton, other than rays, not discernible on x-ray.</paragraph>
<paragraph id="3645B5ED99E4CC0BC23969B2D978DABD" pageNumber="5">Cephalic sensory pore openings (Fig. 2; all pores bilaterally paired unless otherwise indicated). Nasal pores 2, one pore just posterior to upper lip, second pore just above posterior nostril; anterior interorbital pores 1; supraotic pores 1; posterior otic pores 1; suborbital pores 3 on left side, 4 on right; preopercular pores 6 on left side, 7 on right; dentary pores 3; intertemporal pores 2; parietal pores 1; anterior temporal pores 1; posttemporal pores 1.</paragraph>
<paragraph id="37E556B5D2F369D572086173E4E6D809" pageNumber="5">Gill membranes fused together ventrally but free from isthmus; branchiostegal rays 6; gill rakers not counted. No lateral-line scales yet apparent. Olfactory capsule with two openings; anterior opening a short tube, positioned about midway between posterior opening and edge of lip; posterior opening with slightly raised rim, positioned near anterodorsal rim of orbit (Fig. 2). Opercle with secondary opercular spine ventral to the primary spine and overlapping the subopercle (Fig. 2). Head and anterior body scaleless, posterior body with ctenoid scales. Teeth numerous, conical and small.</paragraph>
<paragraph id="E930E36D118F177D0DAB76755F1418C3" pageNumber="5">Morphometrics (as % of SL, from x-radiograph, excepting interorbital and pectoral length; also reported as % of HL where appropriate). Head length (HL) 35; head depth at posterior margin of eye 20 (58% HL); eye diameter 9.7 (28% HL); snout length 6.8 (19% HL); bony interorbital 4.5 (13 % HL); upper jaw length 15 (43 % HL); lower jaw length 20 (58 % HL); dorsal-fin base 63; length of dorsal-fin spines, 1st 8.4, 2nd 9.9, 3rd 12.5, 4th 13, 5th 14, 6th 14.7, 16th 17.7, 17th 18, 18th 18 (although broken); length of dorsal-fin rays, 1st 20, 2nd 17, 3rd 14, 4th 8.5; anal-fin base 23; anal-fin spine lengths, 1st 9.7, 2nd 13, 3rd 15, 4th 16, 5th 17, 6th 18, 7th 19; anal-fin ray lengths, 1st 20, 2nd 19, 3rd 14.3; 4th 10.2; pectoralfin length 17; pelvic-fin spine length 18; 1st pelvic-fin ray length 39; middle caudal-fin ray length 28; snout tip to dorsal-fin origin 38; snout tip to pelvic-fin base 35; snout tip to origin of anal fin 70; body depth at anal-fin origin 21; dorsal-fin origin to pelvic-fin base 24; dorsal-fin origin to anal-fin origin 43; dorsal-fin origin to anal-fin insertion 63; pelvic-fin base to anal-fin origin 35; anal-fin origin to dorsal-fin insertion 62; dorsal-fin insertion to anal-fin insertion 14; hypural depth 11; peduncle length 9.5; peduncle depth 13; anal-fin insertion to upper hypural 13; dorsal insertion to lower hypural 13.</paragraph>
<paragraph id="501F46C9E761898558CCDA49E4B03747" pageNumber="5">Live coloration. Unknown.</paragraph>
<paragraph id="399B014ED82150E0FB7AF3D27FE2B379" lastPageNumber="6" pageNumber="5">Preserved coloration (Fig. 1). Head and body generally brownish with darker pigment spots (from shrunken melanophores), excepting a pale stripe from the anterior half of the symphyseal flap to origin of dorsal fin continuous with a pale first dorsal spine, a pale spot on the pectoral-fin base, and a pale caudal peduncle continuous with pale bases of last 3 segmented dorsal- and anal-fin rays, median fins slightly darker than body colour with pale tips to their rays, pectoral fin hyaline with darker outlines to rays, pelvic-fin spine dark with pale tip, first pelvic-fin ray dark on proximal half and pale on distal half, second pelvic-fin ray dark except for extreme distal tip.</paragraph>
</subSubSection>
<subSubSection id="C3A87400B2C36A58F1F42D615F448AB3" type="distribution">
<paragraph id="05116E2CDC729F4AC67AC67B731DE99A" pageNumber="7">Habitat and distribution. The only specimen was collected from the SW side of Ofolanga Island of the Ha’Apai Group of Tonga at 19°36'15”S 174°28'15”W.</paragraph>
</subSubSection>
<subSubSection id="3B9A0F648649D8CE1E1FDA3F09D938D6" type="biology_ecology">
<paragraph id="29B64E9106D3C63D619F0B6AC4CC05A9" pageNumber="7">It was found between 21 and 32 m off of a deep reef slope with a near vertical coral wall having a sandy channel at its base followed by a steep dropoff.</paragraph>
</subSubSection>
<subSubSection id="8CC0B72FD04B78208B3F870F7E368774" type="etymology">
<paragraph id="D4BB2DB3BCA3D08262AB4EE0F98DC315" pageNumber="7">Etymology. The epithet ‘ naka ’ is derived from the first letters of our respective children ’s names, Aaron and Adam (RDM) and Nat and Kelly (ACG). The minute size of the holotype is reflective of the still comparatively small sizes of our children.</paragraph>
</subSubSection>
<subSubSection id="868DCC0AA852E9A2AFD5FC2877058D2F" type="discussion">
<paragraph id="F1CE274094DED40F2DE46C678367EC57" pageNumber="7">Comparisons</paragraph>
<paragraph id="23098F50CC324D24471B088C9D229C23" pageNumber="7">
<taxonomicName id="3B8F1A14BDB14EEAE2C797D887A3B21A" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">Acanthoplesiops naka</taxonomicName>
resembles 
<taxonomicName id="97C68A548E159A58CE38CF6865F1A58E" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
in having a broad pale band on the caudal peduncle and posteriormost rays of the dorsal and anal fins (Fig. 1). As a result, it was initially catalogued as 
<taxonomicName id="6D006404930B9D0689B50F59F5933B57" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
. However, 
<taxonomicName id="C7D2BE9D3395532F8276FE9C82AD166F" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
is distinguished from 
<taxonomicName id="13F6A69DE632072B02A8F6616E6FEE7A" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
in having only XVIII dorsal-fin spines (vs XIX -XX), three dentary pores (vs four), two intertemporal pores (vs one; the smallest 
<taxonomicName id="96A71F2D45C60F3D606E6E3660BCAD29" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
available, SAIAB 17291 12.2 mm SL, has only one intertemporal pore on right side but might have two on the left, some damage
</paragraph>
<paragraph id="848D14E6764EEAD334E7D9B97E1FF386" pageNumber="7">
makes it difficult to interpret), two dorsal-fin pterygiophores inserted into the 3rd interneural space (vs one), ctenoid scales (vs modified “cycloid”, see Smith-Vaniz &amp; Johnson, 1990: 235) and no membrane joining the last dorsal- and anal-fin rays to the caudal rays. We could not determine the number of supraneurals in 
<taxonomicName id="9C20D2BF524D601CA43DA8FA3AFEC824" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
, but we note that although 
<taxonomicName id="6D9ACA1F1A047B0FFFB25C7EA5126F32" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
is reported as having no supraneurals, one of 13 specimens (SAIAB 17293) we examined had one in the first interneural space.
</paragraph>
<paragraph id="B967BF0D9D6F8ECD4AB7DDE13C24AD70" pageNumber="7">
<taxonomicName id="8E1BA98A1A019A696BFC8E24B30CF70E" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">Acanthoplesiops naka</taxonomicName>
differs from all other congeners by the broad pale band on the caudal peduncle, two intertemporal pores, and the uniquely low dorsal-fin spine count (XVIII vs XIX -XXI). 
<taxonomicName id="0EEBDD0E4527B2191396BA9931FB4B67" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
also exhibits a lower number of total dorsal- and anal-fin elements, and lower total vertebral number (Table 1). 
<taxonomicName id="0BAB47263C8F4DC49F166977F2FDBEA6" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
does share the condition of two dorsal-fin pterygiophores in the 3rd interneural space and an unscaled belly anteriorly (this latter similarity might be due to lack of scale development in the apparently juvenile holotype of 
<taxonomicName id="D350D63A55339DF784B1AF0D51C7F24D" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
). However, even the smallest specimen of 
<taxonomicName id="E9F459750227483F0E64FC9EA7CBFDA1" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
(11.8 mm SL, USNM 288813) shows no trace of a pale caudal peduncle and has only one intertemporal pore on each side. We also found two specimens of 
<taxonomicName id="8B616ACE4C2B2BE76E2619E08D8B86F7" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="hiatti">A. hiatti</taxonomicName>
with two dorsal-fin pterygiophores in the 3rd interneural space (USNM 135783, 16 mm SL and USNM 257874, 15.3 mm SL); at first, this suggested misidentification with 
<taxonomicName id="231E343C930210187410BA1C5A2F0EE6" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
, but dorsal- and anal-fin counts, vertebral counts and belly scales indicate that there is occasional variation in the dorsal-fin pterygiophore formula within 
<taxonomicName id="23012109918E5C5C6F96DDF5FA64AE65" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="7" phylum="Chordata" rank="species" species="hiatti">A. hiatti</taxonomicName>
.
</paragraph>
<paragraph id="E145CC48DDAC3C8C04BA72D2777DC8BC" pageNumber="8">Remarks</paragraph>
<paragraph id="6721BD745CD8D119FE4DE0ECC7D5726C" pageNumber="8">
Smith-Vaniz and Johnson (1990) hypothesized that 
<taxonomicName id="58E9C42C66944CBD662A7902C17B8DED" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
and 
<taxonomicName id="60AD041D8D9220926C7CF2AA481BDF55" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">A. echinatus</taxonomicName>
were most closely related based on the putatively derived conditions of three dentary pores and a reversal to teeth present on the 2nd infrapharyngobranchial. 
<taxonomicName id="C461020548A2978CE7046C500F3297E7" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
also has only three dentary pores, and although the condition of the dentition on the 2nd infrapharyngobranchial will have to await the collection of more specimens, it appears that the new species should be considered related to 
<taxonomicName id="108242E1F466825371679DD389801A7C" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
and 
<taxonomicName id="004A4E3CE6C6D48577792EC5DEC1F9DE" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">A. echinatus</taxonomicName>
. Among these three species, 
<taxonomicName id="0C5D24A78D2D545DB296615400AA71F7" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
is most likely to be the sister taxon to 
<taxonomicName id="48FE7B49CE87BDBAE2F782D0382CDCF1" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
of Japan, Taiwan and extreme northern Philippines. They share two features previously thought to be unique to 
<taxonomicName id="7CCD4DA62A05F98DCE0CD2DEC3F3E534" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
within the genus: two dorsal-fin pterygiophores inserted in the 3rd interneural space and belly unscaled anteriorly. The homology of the former is perhaps challenged by our discovery of the variable dorsal-fin pterygiophore formula found in 
<taxonomicName id="990196734B9E4AA8CADED24861337549" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="hiatti">A. hiatti</taxonomicName>
(2 of 22 specimens with two pterygiophores in the 3rd interneural space), and the latter is of dubious value given that the 
<taxonomicName id="FC2A40A50F6190F765732A6FD7B2A69E" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
specimen is small with incomplete scale development. However, without any additional evidence, we tentatively insert the new species as the sister to 
<taxonomicName id="2877A1922C7E0416E2329E6EE21D3039" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
in the phylogeny of 
<taxonomicName id="D6800D40011D0650AA52B6CF0B96163D" LSID-ZBK="urn:lsid:zoobank.org:act:1FBBEB5D-AE2A-469D-8189-43AEF16A1C2A" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops Regan 1912:266" order="Perciformes" pageNumber="8" phylum="Chordata" rank="genus">Acanthoplesiops</taxonomicName>
presented by Mooi and Gill (in press) resulting in the following relationships: 
<taxonomicName id="8D9355D437EEF0FCEA4818F25B929B65" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="hiatti">A. hiatti</taxonomicName>
(
<taxonomicName id="2A864726408CFB49EB3DBB11E8F2B558" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="indicus">A. indicus</taxonomicName>
(
<taxonomicName id="FE0B6F7BD3949C61F08165EEAD6784E2" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">A. echinatus</taxonomicName>
(
<taxonomicName id="6B8DC65EFB8E09F8A209351C32129318" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
+ 
<taxonomicName id="318902A25B8EB43D4CF106F2EE71D457" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
))).
</paragraph>
<paragraph id="C474B086ACA1E03182FC0D24728AB22B" pageNumber="8">
It is difficult, if not futile, to make conclusions regarding biogeography based on a single specimen whose phylogenetic relationships are uncertain. However, the distribution of 
<taxonomicName id="651E58FDAAFDC15EE21CEEFAB55B9D1E" LSID-ZBK="urn:lsid:zoobank.org:act:1FBBEB5D-AE2A-469D-8189-43AEF16A1C2A" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops Regan 1912:266" order="Perciformes" pageNumber="8" phylum="Chordata" rank="genus">Acanthoplesiops</taxonomicName>
has been extended eastward to Tonga and there now appear to be three allopatric West Pacific species that form a clade; 
<taxonomicName id="DB9A4B19EBF1B3F30CFF2E32208EE763" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">A. echinatus</taxonomicName>
in the Moluccas and Sulu Sea is the sister to 
<taxonomicName id="FFB1D89D559E78471D9FBF7C3272E96B" LSID-ZBK="urn:lsid:zoobank.org:act:BA956CAD-1DE2-444D-A881-D57602011148" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops naka Mooi &amp; Gill 2004:3" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="naka">A. naka</taxonomicName>
in Tonga and 
<taxonomicName id="77CD16AF316E90BE1AD207A6CF3BB15A" LSID-ZBK="urn:lsid:zoobank.org:act:83ADEB62-1D4B-4420-8309-19020AB16E6C" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops psilogaster Hardy 1985:384" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="psilogaster">A. psilogaster</taxonomicName>
in Japan, Taiwan and extreme northern Philippines. 
<taxonomicName id="577673B01256231339E8AE629A7DBE67" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="indicus">Acanthoplesiops indicus</taxonomicName>
from the Indian Ocean is sister to this clade, but the history of the genus becomes more complicated with the basal position of 
<taxonomicName id="8642B33C07D8FE00F53DF7B6F1F28915" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="hiatti">A. hiatti</taxonomicName>
which is again West Pacific, being sympatric with 
<taxonomicName id="185B2144D6C8A45840E4950D6288D959" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">A. echinatus</taxonomicName>
in the west as well as being found in Fiji and onto the Pacific plate in the Marshall Islands. This does not impact the broader conclusions of Mooi and Gill (in press) that a sister relationship of 
<taxonomicName id="017E0D5830D77E7166411EF0B0A52BA2" LSID-ZBK="urn:lsid:zoobank.org:act:1FBBEB5D-AE2A-469D-8189-43AEF16A1C2A" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops Regan 1912:266" order="Perciformes" pageNumber="8" phylum="Chordata" rank="genus">Acanthoplesiops</taxonomicName>
and 
<taxonomicName id="CB7FDF0923E493074FB5A85BCCBEA5C2" LSID-ZBK="urn:lsid:zoobank.org:act:E9B97F61-7EB1-48D8-A2F7-F2997C189A7D" family="Plesiopidae" genus="Notograptus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Notograptus Günther 1867:63" order="Perciformes" pageNumber="8" phylum="Chordata" rank="genus">Notograptus</taxonomicName>
follows a general pattern where Indo-West Pacific taxa are sister to an Australian clade.
</paragraph>
<paragraph id="3953547C3A0B68744D4A1CC04D295CBE" lastPageNumber="9" pageNumber="8">
We also note that there are some apparent geographical differences in meristics within at least two species (Table 2). 
<taxonomicName id="FF9EBC14037DEF519B6059A54635EC82" LSID-ZBK="urn:lsid:zoobank.org:act:996CA9D1-04C9-453A-831A-2ACA559BF287" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops echinatus Smith-Vaniz &amp; Johnson 1990:239" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="echinatus">Acanthoplesiops echinatus</taxonomicName>
exhibits higher dorsal-fin spine counts in Moluccan specimens, and perhaps a trend to higher segmented anal-fin ray counts in the Philippines. These might deserve some attention when further specimens are available, particularly as only Moluccan specimens are known to have the pointed papillae covering much of the head for which the species is named (Smith-Vaniz &amp; Johnson, 1990). 
<taxonomicName id="FBC73A48031B977D346334EE9989A277" LSID-ZBK="urn:lsid:zoobank.org:act:DEEC71B9-9911-4465-8021-76904E4FCB12" family="Plesiopidae" genus="Acanthoplesiops" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Acanthoplesiops hiatti Schultz 1953:407" order="Perciformes" pageNumber="8" phylum="Chordata" rank="species" species="hiatti">Acanthoplesiops hiatti</taxonomicName>
from Marshall Islands of the Pacific plate, and the single Fijian specimen, have lower dorsal-fin spine counts and tend to have lower anal-fin spine counts than western populations. A more thorough survey of characters among these populations might reveal additional differences that would more clearly indicate separate evolutionary histories and endemism.
</paragraph>
</subSubSection>
</treatment>
</document>